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GENERAL KNOWLEDGE pt. III

• Why is an MP3 file called so?

MP3 is an acronym MPEG Audio Layer-3. MPEG stands for Moving Picture Experts Group, which has developed compression systems used for video data such as DVD movies and HDTV broadcasts. MP3 is a compression system for music. It helps reduce the number of bytes in a song without affecting the sound quality. The goal of the MP3 format is to compress CD-quality song by a factor of 10 to 14 without appreciably affecting the sound quality with MP3s, 32 megabytes (MB) song on a CD compresses around.

• WHICH FAMOUS bird has a 'Laughing' BLUE 'winged variety?

The famous Kookaburra bird has a "laugh" and "range blue winged Kookaburra laugh, D novaeguineae, is slightly larger the blue-winged kookaburra with a bill a little longer. The Blue-winged Kookaburra has a head as white striped, with white rather than the eye black, and no dark spot behind the eye. The Blue-winged Kookaburra has a bright blue wing patch and tail. The call is also quite different.

• WHAT Guttation?

Guttation is the loss of water in the form of water droplets from hydathodes (small pores) on the edge of the leaf of a small herbaceous plant. Water has the ability to rise up 2 feet on its own through the xylem of the plant. During the evening or early morning, when the rate of absorption by the roots exceeds the rate of transpiration (evaporation) from the leaves, much water has accumulated in the plant body that can damage cells. Plants hydathodes end veins, by which the excess water is lost as droplets. It occurs mainly in small plants such as banana, pink, etc.

• WHAT GNOTOBLOLOGY?

Gnotobiology is the science of studying animals or other high in germ-free environments or those containing only bacteria specifically known. Scientists compare animals gnotohiotic with ordinary animals which bodies carry many germs, including bacteria, viruses and parasites. In this way, scientists can determine more precisely how some bacteria affect the body.

• WHAT IS PAD IN INTERNET?

Buffering is a situation that occurs when a media player is saving parts of a streaming media file to local storage for playback. Most of streaming media players buffer a small percentage of a streaming media presentation before starting to play. Buffering may also be occur in the middle of a presentation where the available bandwidth does not match the bandwidth necessary for the presentation.

• WHAT IS A BIOMETRIC SECURITY SYSTEM?

In terms of security, a security system is a biometric authentication technique that relies on a computer system to electronically validate a measurable biological characteristic is physically unique and may not be repeated. Different types of biometric security systems are used for identification Real time; The most popular are based on face recognition and matching of fingerprints, iris and retina, voice, face thermograms, and hand geometry.

• WHERE are files and sites on the Internet stored?

The Internet is a collection of a large number of client-server based systems. So all files and other resources it is stored on devices secondary storage of the respective re-servers. Servers sites are called as Web servers. So when you enter a URL for a Web site in the bar Address your browser, it connects to the Web server, which in turn retrieves data from the secondary storage device (eg hard disk) that they should use and refer to the respective browser. The same applies to other resources (pictures, MP3 files, zip file, etc.) that you access the Internet.

• WHY THERE IS NOT DRIVE INTO A COMPUTER B?

Not that computers do not have a drive B. Initially (just two decades ago), personal computers did not hard drives – they were equipped with two floppy drives readers called A and B. Later, a hard disk was introduced and has been labeled as drive C. Other players such as CD, DVD, flash drive and others were labeled D, E, etc. If you have a computer with two floppy drives, then they are called players and player B.

• WHAT IS E-WASTE?

All obsolete electronics such as computers, servers, printers, monitors, televisions, cell phones, calculators, CDs, floppy disks, chips, processors, motherboard, PCB, etc. end up as electronic waste. Electronic waste contains hazardous substances such as PVC, plastics, heavy metals, brominated flame retardants, etc.

• WHAT IS EFT Monitors?

In general all types of monitors are a strain on our eyes. EFT, or new eye technology, the monitors have a vital coating the rear that emits anions and far-ro infrarorf costs and relieve the strain on your eyes and relax your eyes and body.

• WHY THE FREQUENCY CHANNEL FM usually between 90 and 110 MHz?

The FM term is somewhat misleading, because it stands for frequency modulation, a technique for broadcasting radio waves. Frequencies between 80MHz to 110MHz, generally used for FM broadcast around the world, all fall into the range frequency of 30MHz to VHP 300Mz. However, the first FM transmission has occurred in the United States in the 1940s in the frequency range 42 to 50MHz. More Later in 1945, the Federal Communications Commission has assigned bands of 88 to 106MHz for FM broadcasting, citing reasons of its non-interference in other radio bands in and around the city later in Western Europe, due to the medium wave band, already saturated, broadcasters prefer to migrate FM bands usual standard. In the United Kingdom, the BBC broadcast for the first time in the FM band in 1955. Since then, FM has almost become an international standard for emissions local in the city limits and the frequency range used around the world were in the range of 88 to 106 MHz only.

• WHAT IS THE ORIGIN OF THE WORD "Roger" at TELECOM?

It originates from Morse code in which the end Communication has been marked by Dih-(.-.) dahdih who is also a code for 'R'. For voice, people used an equivalent for each letter (eg Omega-Pie-England-Norway for OPEN). For R equivalent was Roger. Therefore, all communication was .-. terminated, ie Roger, meaning "this communication is over."

• WHAT IS A encoder and decoder?

An encoder is a device that converts data into a few pieces known only to himself and the decoder is a device which transforms the coded bits to generate the original data again. Both elements are mainly used in computer technology, but the underlying concept can be used everywhere. For example, the name 'Delhi' can be coded as "ihleD 'or '45 # 1278'. Later, the decoder regenerates the original 'Delhi' from this code as it knows the coding scheme.

• WHAT IMEI?

• WHAT IS THE DIFFERENCE BETWEEN a subwoofer and a woofer?

There are no glaring differences between the two speakers that both systems are used to reproduce low frequency sound notes. Subwoofers are designed to reproduce a band of frequencies below 30Hz level and woofers produce sounds above. Sometimes, the bands overlap in May. The smallest diaphragm of a woofer halfway decent is 8 inches in a subwoofer, it is 12 inches.

• WHAT IS A SIMPUTER?

Simputer "The word is an acronym for" simple, inexpensive and multilingual computer people. "It is a small, inexpensive, a handheld computer, designed to bring computing power to developing countries. It includes text-to-speech software and runs on GNU / Linux. The device was designed by the Simputer Trust, a nonprofit organization formed in November 1999. Simputers are generally used in environments where computing devices such as PCs can not be used.

• How is called the TEETH OF THE TECHNOLOGY?

Bluetooth is a low cost, low power radio interface standard for wireless communication over short distances. This is a open standard for intelligent devices to communicate with each other. This allows all types of electronic equipment (computers and telephones cell to keyboards and headphones) to make its own connections, without son, cables or any direct action of a user. It could help replace the cables connecting the merits of many single device to another with one universal radio link.

• WHAT IS THE DIFFERENCE BETWEEN Electrical and electronics?

• WHEN IT WAS CREATED OS Windows?

The earlier avtar of Microsoft Windows was Interface Manager, which was developed in September 1981. The first version ever of Windows operating system was announced November 10, 1983. It was an extension of MS DOS, and sported a user interface graph. Windows 1.0 was finally released to the market in November 1985.

• WHAT is the beta test?

Typically, software goes through two stages of testing before it is considered complete. Only users within the organization of software development often perform the first stage, called alpha testing. The second stage, called beta testing, generally involves a limited number of external users. Beta testing is the formal process to solicit feedback on the software still under development. Beta testing is usually The last step is a software developer before releasing the product on the market.

• WHAT is spyware?

Referring to the response last week, I want to emphasize that spyware does not usually just called spy ware. exe as spyware32, exe, ispyexe or another. It can be kazaa.exe, dider.exe Msbb.exe newsupd.exe, etc. Remove all the registry keys is suicidal because ownright operating system (Windows) would have died without any registry keys. If education is supposed to mean the removal of "all persons infected / spyware keys "Modify the registry is always a difficult decision because if the user is an expert on a spyware particular, it is impossible. More anti-spyware is neededto keep your PC spyware-free.

• WHY IT IS ADVISED TO extinguish the mobile phone at petrol pumps?

Cell phones are asked to be extinct in the fuel pump because they are a potential source of ignition for flammable vapors in the atmosphere. This step was followed after acceptance the fact that there is a risk of fire accidents caused by the burning of cellular phone batteries. In fact, manufacturers and service providers cell phones require users to keep cell phones in "off" mode.

• WHAT is spyware?

Spyware is a malicious program that does harm to your computer and invades your privacy. Includes Trojans Spyware, Adware, Trackware, dialers, keyloggers and viruses. Spyware can gather confidential information from your computer and slow performance to failure. This threat copies its file (s) on your hard drive, the file name following is typical: Spyware.exe. This problem can be solved manually by deleting all registry keys.

• WHAT is a TFT?

Thin Film Transistor (TFT) LCD Liquid Display Technology puts aside the traditional bulky cathode ray tube (CRT). LCDs use a backlight stronger than the light source and control how much of this light is achieved dots (pixels) by selectively allowing light to reach each pixel. LCDs achieve this goal by taking the liquid crystal molecules advantage of an essential property of 'Twisted' and their ability to block naturally polarized light but then it lets gradually when a small electric field is applied. LCD cells are properly controlled and organized in a matrix Hat rows and columns.

• WHAT IS A "firewall" in the computer terminology?

In computer security, a firewall is a device that blocks unauthorized access to the LAN an organization. A firewall can reside on the computer terminal, the server that acts as a gateway on the LAN to the Internet. The firewall keeps track of every file entering or leaving the local network to detect the source of viruses and other problems that could enter the network.

• WHY IS SPAM IN THE MESSAGE JARGON so called?

The term spam is derived from the popular song from Monty Python "Spam sketch, situated in a cafe where all the contents of the menu includes SPAM luncheon meat. The chorus repeats "Spam, Spam, Spam" over and over again drown conversation. Since Spam involves sending identical messages to many recipients without their permission, it was well known. The correct term for it is Unsolicited Commercial Email (UCE).

• WHAT ARE THE SWITCHES CHICKEN?

Chicken switches are switches that can disable optimizations on the chip (such as caches) to isolate problems. When we throw all the "switches chicken, we put the processor in "tinkertoymode. If this does not work, the problemjsjikely to reside elsewhere, in an external memory by example. We do the same thing in the software – provide settings to disable caches and other forms of optimization to isolate problems.

• WHAT IS A handshake in computers?

Handshake is the process by which two computers initiate communication. A handshake begins when one sends a message to another indicating that he wishes to establish a communication channel. The two computers then send several messages back and forth that enable them to agree on a communication protocol. Two modems make a handshake whenever they meet, to help them determine how they will exchange information. If the modem speaker is activated, you can actually hear the handshake – the series of cries and signals.

• WHAT THE CDMA TECHNOLOGY?

CDMA (Code Division Multiple Access) is a digital cellular technology that uses the techniques of spread spectrum. Unlike competing systems, such as GSM, that use TDMA, CDMA does not assign a specific frequency to each user. Instead, every channel uses the available spectrum. Individual conversations are encoded with a pseudo-random sequence of digital. CDMA consistently provides better capacity for voice and data communications than other commercial mobile technologies, allowing more subscribers to connect at any given time, and is the platform on which technologies 3G is built.

• A computer can – HAVE MORE OF A HARD DRIVE?

There are two main types of discs drives in use today – IDE (Integrated Drive Electronics) and SCSI (Small Computer System Interface) hard drives. IDE drives are used in PCs and SCSI servers. Motherboards generally come with two IDE ports integrated. Each port can have two devices connected to it on the same data cable for a total of four aircraft. DVD.units CD and are also connected to the IDE ports and counted as one of the four aircraft. Once you have four devices, then you can add a PCI IDE controller to have more ports for adding peripherals. SCSI hard disks are connected to a PCI SCSI controller that will able to accept seven SCSI standard and 15 for the most recent, wide SCSI.

• HOW A printer Laser NOT WORK?

A laser printer uses the phenomenon of static electricity as a temporary glue. The Core is the photoreceptor, typically a rotating drum or cylinder. This is made of a highly photoconductive material that is'discharged by photons of light. The printer coats the drum with positively charged toner '- a fine black powder. Since it has a positive charge, glue toner to the negative discharged areas of the drum, but not the positive charge 'background'. With the powder pattern affixed, the drum rolls on a sheet of paper, which travels along a belt below. Before the paper rolls under the drum, it is given a negative charge by the corona wire transfer (charged roller). This charge is stronger than the negative charge of the electrostatic image, so the paper can make the powder toner away. As it moves to the same speed as the drum, the paper adopts the shape of the image just to keep the paper to cling to drum, it is discharged by the corona wire DETAC immediately after picking up the toner.

• The company that makes first laptop?

Designed in 1979 by William Moggridge of Britain for Grid Systems Corporation, the Grid Compass was one fifth weight of any model equivalent in performance and has been used by NASA on the shuttle program space in the 1980s. A 340 kilobyte bubble memory Laptop computer with carcass cast magnesium and folding electroluminescent graphics display screen, it probably first laptop ever produced.

• WHAT Greenstone Digital Library Software?

Greenstone is a software suite that can serve as collections of digital library and build new collections. It runs on Windows, UNIX and Mac OS X and offers a new way of organizing information and publishing it on the Internet or on CD-ROM. Greenstone is produced by the New Zealand Digital Library Project at the University Waikato, and distributed in cooperation with UNESCO and the Human Info NGO. This is an open source software. The New Zealand Digital; Library Site contains numerous collections EXAMA pie, all created with the Greenstone software.

• WHO WAS THE FIRST SERVICE PROVIDER CELL?

On October 13.1983, the first call on a commercial cellular network was made in Chicago, and Cellular One service in Washington, DC / Baltimore area began in 1984.

• WHO company produced the first laptop?

Designed in 1979 by William Moggridge of Britain for Grid Systems Corporation, the Grid Compass was one fifth the weight of any equivalent model performance and has been used by NASA on the space shuttle program early 1980s. A 340 kilobytes of bubble memory laptop with carcass iron and magnesium folding screen graphics electroluminescent display, it's probably the first laptop ever produced.

• WHAT IS THE DIFFERENCE BETWEEN electrical and electronic?

The distinction between components Electrical and electronic / elements is twofold. First, as son or electrical cables, resistors, etc. are passive to say they do not require electrical power for its operation. Secondly, the output signals applied to them can never exceed the input power to say no to power amplification. Electronic components such as valves, transistors, ICs, etc. are active elements. They need their own power to operate and also, by design, may or may not provide amplification power.

• WHY DO NOT have CDMA SIM cards?

CDMA phones have phone numbers programmed into the handset as well as the number of programs that exploit SIM cards. The latest phones have two options. Since all CDMA phones are network locked, it is not necessary for the provision of SIM card. While mobile phones are compatible with any operator providing the SIM card which allows network connectivity. This makes the independent telephone operator.

• WHAT IS THE DIFFERENCE BETWEEN LINUX and UNIX?

Unix developed by Ken Thompson is a multi-user multi-tasking operating system that could be used remotely and was portable. Thomson and Dennis Ritchie rewrote UNIX language C programming Linux, developed by Linus Torvalds of Finland, is a variant of Unix. It has all the features of Unix in addition to more like the integration of graphical environments of the user interface. It is particularly strong in networking and related features Internet and works with a wide variety of hardware and peripherals, something Unix can not because the target area of application. The functionality of open source Unix has been incorporated; anyone can access the Linux source code regardless of its version.

• WHAT Greenstone Digital Library Software?

Greenstone is a suite that can serve the library collections Digital and build new collections. It runs on Windows, UNIX and Mac OS X and offers a new way of organizing information and publishing an Internet or CD-ROM. Greenstone is produced by the New Zealand Digital Library Project at the University of Waikato, and distributed in cooperation with Unesco and the Human Info NGO. This is an open source software. The New Zealand Digital Library site contains many examples of collections, all created with the Greenstone software.

• WHAT TO LOOK CLICK FRAUD OF SEARCH ENGINES?

Fraud Clicks is the practice of artificially inflating traffic statistics to defraud advertisers. In the pay-per-click system, advertisers pay a fee for each click on their link. Using automated tools to click (called hitbots) or employing workers at low cost to click on links, the authors create the illusion that many potential customers are clicking on the links to the advertiser, when in fact there is no risk that one clicks lead to benefit the advertiser. Click fraud fraudsters often take advantage of affiliate programs offered by some search engines.

• HOW A GLOBAL POSITIONING SYSTEM WORKS (GPS) JOB?

The basic principle of operation of GPS that any point on Earth can be located if it is controlled from four different locations. For this, the GPS uses 24 satellites in six orbits different, at an altitude of 18,000 kms. Thus, at any time and any place is controlled by four different satellites. The GPS device sends its signal to four satellites. These satellites have a database that contains information from all places on earth. These four satellites, in turn, refer the latitude, longitude and altitude of this place with particular reference to its database.

• WHAT FM?

FM is frequency modulation. Attach a carrier wave transmits radio frequency signal noise. The frequency of the wave Radio is modified or modulated properly. When the modulated wave is received by a radio, the radio wave is filtered to reproduce the audio signal. FM is less susceptible to noise from AM or amplitude modulation when the mixture is made by varying the amplitude. In the television signals, the sound is modulated in frequency while the image signal is amplitude modulated.

• WHAT IS FUZZY LOGIC?

Fuzzy logic is a method used in computer science to solve problems involving ambiguous data, such as the ambient temperature is too hot, too cold or just right. It uses multi-valued logic to arrive at a more accurate and balanced. In contrast, binary logic has only two states: ON or OFF, yes or no, one or zero.

• HOW INTERNET search engines?

Search engines use automated software programs knows as spiders or bots to survey the Web and build their databases. Web documents are retrieved by these programs and analyzed. The data gathered from each web page are then added to index the search engine. When you enter a query on a search engine site, your input is compared to the index of search engine of all the Web pages it has analyzed. The better the URI returned to the sender as hits, ranked in order with the best results at the top.

• HOW A GLOBAL POSITIONING SYSTEM WORK?

The GPS receiver is only a receiver, without means of transmission. The satellites do not contain databases on the scene or anything. They contain high-precision atomic clocks which generates some code which he continued to transmit to the earth. The GPS receiver gets this code from several satellites are slightly different over time due to differences in distances from satellites. Using this difference, the receiver calculates the longitude and latitude.

• WHAT IS THE FULL FORM OF TFT COMPUTER AND MOBILE screens?

Thin Film Transistor (TFT) is a type of flat LCD screen display configuration. It is so called because each pixel is controlled by transistors. TFT technology provides the best resolution all technologies dish, but it is also more expensive. TFT screens are generally designed to run at a specific resolution.

• WHAT IS THE POINT OF TECHNOLOGY IN MOBILE PHONES?

EDGE is a modulation technique for GSM networks. An Enhanced Data Rates for GSM Evolution (EDGE) is used to increase network capacity and data rates in mobile networks. EDGE offers data rates up to 384 Kbps.

• Who invented the QWERTY keyboard?

Werty keyboard (also known as universal keyboard) is used in modern computers. The QWERTY keyboard name comes first six letters of the top row. It was invented by CL Sholes in 1872.

• WHAT IS A Holographic Versatile Disc?

A Holographic Versatile Disc is a high-tech optical disc still in the research stage. It uses a technique known as holography colinear, whereby two lasers, one red and one blue-green are collimated in a single beam. These discs have the capacity to store up to 3.9 terabytes (TB) of data. The HVD also has a transfer rate of 1 Gbit / s.

• WHAT IS A PICONET?

A piconet is a collection of devices connected via Bluetooth technology in an ad hoc fashion. A piconet starts with two connected devices, such as a laptop and cell phone and mai grow to eight connected devices. All Bluetooth devices are peer units and have identical implementations. However, when establishing a piconet, one unit will act as master and the other as slave for the duration of the piconet connection.

• WHAT is a chip?

• WHAT is an ER diagram?

ER Diagram (Entity Relationship) is a schematic representation of a data model based on a perception of the real world that consists of a collection of basic objects called entities and relationships between these objects. It is widely used in design databases. The E / R scheme was introduced by PP Chen. An entity is a tangible object that exists in the real world about which some relevant information may be stored. The qualities of an entity that can be stored more information is known attributes. For example, if the teacher is an entity then the teacher's ID, name, etc. are all his attributes. An association between multiple entities called a relationship.

• WHAT IS A dead pixel?

• WHAT NE VOXML stand for?

The acronym stands VoxML Voice eXtended Markup Language. It is a combination of IVR (Interactive Voice Response) technology which deals with the digitization of audio and Internet technology. Use VoxML, it is possible to hear the contents of a website without using a computer, you only need a phone.

• WHAT IS A VIRUS?

The viruses are called non-living molecules for two reasons: they are parasites and show no sign of life until they enter a host. They are tiny creatures. The herpes virus is 100 nanometers or 100 billionths of a meter. In comparison, bacteria are 10 to 100 times more larger than viruses.

• What is the origin of the algorithm WORD?

A formula or set measures to carry out arithmetic manipulation is called an algorithm. All computer programs are based on algorithms. The origin of this word comes from the name of an Arab mathematician – Al Khwpresmi. The same word is "algorism. With the influence of arithmos the Greek word, which means math, ' algorism "changed to" algorithm.

WHAT WYSIWYG?

WYSIWYG stands for 'What You See Is What You Get. This phrase was popularized with the advent of digital typesetting or desktop publishing with the help of the computer. Initially, improvements print as bold, italics etc, were not visible on the computer screen, but could be reproduced by the printer. The modern word processors display the text as it appears in print.

• HOW IS music stored on a CD?

Sound consists of waves whose intensity varies from zero to a fixed value in a manner continues. The intensity is converted into an electrical signal equivalent. This signal is sampled at a very rapid pace. The instantaneous value of signal Power is then digitized and stored on the CD using a computer controlled device. A reverse process then reproduces the sound. The higher the sampling rate, the better the quality of the music.

• Is it possible to hack a standalone unit COMPUTER?

It is common knowledge that a computer connected to a network, a network of networks or the Internet is vulnerable to hackers. In other words, the information stored in these computers is never sure. Professor Ross Anderson of Cambridge University however revealed that pick up radio signals from the video monitor can penetrate even a standalone computer.

• Why all NUMBER MOBILE START with 9.

According to the Regulatory Authority of Telecommunications of India (TRAI), local numbers allowed is of the order of 2-8. While 0 is used to access STD, 1 is used for special numbers. Thus, the left is the only figure 9.

• HOW DOES A COMPUTER TO TAKE THE REPORT EVEN WHEN IT IS SHUT DOWN?

Our computers are not managed by one system operating, but the BIOS (Basic Input Output System), which resides in pernianently chips on the motherboard to which virtually all materials computer is connected. The BIOS is kept powered by a button battery (about 1.5V) or any other variant. The cell remains active on the board and using the BIOS to remember not only time but other hardware settings and the GUI (graphical user interface) is synchronized with the time while the computer BIOS is started and then watch the computer displays the correct time.

o What is Black Box Testing?

Testing software based on production requirements and without any knowledge of the internal structure or coding in the program is known as black box testing. Black box testing, concrete box or functional testing is used in computer programming, software engineering and software testing to verify that the products of the program, given certain inputs, conform the functional specification of the program. A complementary technique, white box testing or structural testing, use of information on the program structure verify that it works correctly.

• WHAT IS MEANT BY INTERNET surfing?

When you want information on a topic of your Internet connection, you can choose to use multiple search engines and many Web sites. You open them one by one and collect information on the subject that is of particular interest to you. This is referred to as surfing.

• WHAT Java Is it?

Java is supposed to be the universal computer language that will be used to operate all devices, including those used in households, such as toasters, ovens, irons and geysers. The word 'Java' is the coffee that is exported from Asia for the United States.

• WHAT HTTP?

HTTP stands for "Hypertext Transfer Protocol. It a protocol that governs the pages designed in HTML (Hypertext Markup Language) which allows a user to access information stored in multiple computers regardless of their geographical location. HTTP has revolutionized the field of information technology and is the backbone of the Internet or information superhighway.WHO A world invented the word 'Wide Web'? WWW or World Wide Web, a synonym of the information superhighway or the Internet, was, surprisingly, invented by a group of nuclear physicists working at the European Center for Nuclear Research in Geneva.

o What are SUPRA-GLACIAL LAKES AND WHERE CAN I FIND THEM?

Supra-glacial lakes are those found on the glacier ice at the beginning of the melt season. They are located the surface of temperate glaciers.

• CYBERSQUATTING HOW DOES WORK?

Under a law American Federal of 1999 known as the Anti-cybersquatting Consumer Protection Act, Cybersquatting means registering, trafficking or using a domain name with bad faith intent to profit from the reputation of a trademark belonging to someone else. It refers the practice of buying domain names that reflect the existing business, with intent to sell the names for profit, back to business when they will develop their websites.

o HOW DOES A Jerk-O-Meter WORK?

This is a speech and recognition of your forms to help rate how a person is engaged in a conversation. It is rated on a scale of 1 to 100. Researchers at the Massachusetts Institute of Technology (MIT) are developing software for cellphones that analyzes patterns of word and tone of voice to do so. It is perceived as an important tool for improving relationships and has great potential in telemarketing.

o What is Neale BALL TOKEN INSTRUMENT?

Designed by Neale, a Engineering rail with GIP (now Central Railway), it is an electro-mechanical instrument which, at each station on ections single line railway iron. It ensures the safe operation of trains by removing tokens that are issued to drivers as a power to enter a section of block. The chips are balls of steel spherical grains, which are published so that only a token can be issued for a direction a time, after ascertaining that the previous train has already passed the section and there are no other trains between stations. Each station has an instrument of this type for each direction, which are electrically connected to instruments of similar nature existing in the neighboring resorts each side. This ensures that only one train can enter the block section at a time.

• WHO Invented the T9 dictionary USED IN MOBILE PHONES?

The inventors of the T9 predictive dictionary used in cell phones are Svensson Henrik Brun (Denmark) and Williams, Stephen (Finland). This method of entering text using predictive for efficient typing SMS messages. It improves multi-tap method common for less than total button taps are required. This is achieved using a small dictionary for quick access to automatically display the word most often required for a keystroke.

• WHAT is a crystal radio?

A crystal radio is the basic form of a radio that can detect radio signals without an outlet. It has very few parts and can be manufactured in a short time with objects. It works best if an issuer within 40 km of the whole. Simple crystal radios are often made with some pieces handmade as an antenna wire, tuning coil of copper wire, a crystal detector and earphones. A crystal radio receives broadcasts by radio stations that convert sound into radio waves and signals everywhere. The crystal radio antenna, a very long wire, picks up signals and transmits them through the whole as a current mail. It uses a crystal detector to convert this radio wave electricity to sound electricity. The detector can be done a special stone of galena in a holder. It uses headphones to convert sound to electrical noise that can be heard.

• WHATS THE WORLD'S FIRST SOFTWARE?

Ada Lovelace wrote a basic program for the analysis machine designed by Charles Babbage in 1827, but the machine never became operational, hi 1949, the language code of short appearance. It was the first computer language for electronic devices and need the programmer to modify its actions in bone and is, by hand.

• HOW IS A PHONE SATELLITE different from a cell phone?

Satellite and cellular phones are wireless devices. They look somewhat similar, but the way they work is totally different. One of the functions of cell phone based on cells and hence is called cellular phones. The whole network area is divided into small areas and an antenna is installed in each area. They are also called towers. When a cell phone is moving, it enters a cell to another. When he crosses the boundary of a cell phone sends a signal to the MTSO (Mobile Telephone Switching Office). With the help of the control channel of the database MTSO relocates the phone in a new cell or region. The use of mobile satellite in low Earth orbit (LEO) satellites. When a phone Satellite TV is on, a signal passes any number of satellites of a group that the phone is registered. When a person makes a call from the handset, a signal goes to the nearest satellite in orbit. The satellite connects to the gateway or ground station. Then, the gateway takes the call to destination.

• WHAT is the 3rd SPACE vest?

These jackets help users support virtual blows, literally an American surgeon has invented a vest that allows users of computer games feel physical attacks as blows, strokes, etc. while playing games. The vest uses air pressure and feedback from the computer to simulate punches on the parts of a torso person who was allegedly beaten if the person who fought in battle. It is designed by Mark Ombrellaro and was originally intended for medical purposes.

• WHY IS THE SYMBOL @ USED IN E-MAIL ADDRESSES?

An email address identifies a location in which e-mail can be delivered. The first delivery of mail the commitment of both machines was conducted in 1971 by Ray Tomlinson, a programmer at Bolt, Beranek and Newman, an engineering company in Cambridge, Massachusetts. He had to find a way of separating, e-mail address, user name of the user's machine was turned on. He wanted a character who is not in any way possible, is in the name of the user. He looked down at the keyboard and chose the @ sign among the different punctuation marks found on his teleprinter keyboard 33 Model. He had no idea it would create an icon for the wired world. Today, e-mail is the application most used on the Internet. Each email account has a unique address. A general format for an e-mail is: username @ computername. The part before the @ sign is the local part of the address, user name of the recipient, and the part after the @ sign is the domain which is a computer name host.

• WHAT INTERPLANETARY interest?

If the Internet allows users to obtain. Information from all over the world, and the interplanetary Internet will allow users to access information and even control experiments taking place far from Earth. Vinton Cerf, considered the founding father of the Internet and a co-creator of the Internet interplanetary currently working on standards to guide Internet communications in the era of space.

• WHAT THAT cyberslacking?

It is a slang term used to describe employees who surf the net, write e-mail or engage in other inter 'net work-related activities that are not related to their jobs. These activities are performed during periods when they are paid by their employer. The individual is called a cyberlacker, while the act is cyber-laziness. It's. also known as cyberloafing.

• WHAT CRYOPTOGRAPHY?

It is the practice of encryption and decryption of messages in secret code to make them unintelligible to all but the intended receiver it may also refer the art of cryptanalysis, by means of cryptographic codes are broken. Collectively, the science of secure communication and secret involving both cryptography and cryptanalysis, is known as cryptology. Today, the principles of cryptography are encryption applied to the fax television and communications network. The secure exchange of computer data is of great importance to the banking sector, government and commercial communication.

• WHAT IS A 'vocal JOYSTICK'?

The "Vocal Joystick" was developed by researchers at the University of Washington. This is computer software that allows people disabilities who can use their voice, but not the hands or arms to control a cursor using sounds. This joy stick detects sounds 100 times per second and transforms it into movement on screen.

• WHAT IS A SPIDER-mail?

A spider-mail, also called a web crawler or robot, is a program that can visit the pages on the world wide web in an automatic way methodically. They are most commonly used by the search engines for surfing the Web and copy the new pages to the index engine are updated periodically spiders are also used by some sites to maintain their pages to ensure that hyperlmks are updated and the HTML is valid. They are also said to be used by designers to catch spam e-mail contained in web pages.

• What is Web 2.0?

– The Internet as we know it has been around for over 10 years now. It was mainly used for research, navigation and reading static information. Now it is becoming something else. We are now in what is called the era of the Web 2.0, where the Internet is about interactivity. The concept began with a brainstorming session between O'Reilly and MediaLive International in 2004. Web 2.0 can be defined as a set of technologies that enable collaboration and sharing between Internet users. The tools of Web 2.0 are web sites, web-based communities and associated services such as social networking sites, online Encylopaedia like Wikipedia, blogs and podcasts, etc.

• WHY Junk Mail SPAM IS CALLED?

A possible origin is famous song from Monty Python's spam-loving vikings sketch that goes "spam spam spam spam spam lovely spam, wonderful spam spam … "Spam is repeated several times until you get tired of hearing it, he has chosen to refer to anything and repetitive e-mail. In addition, bread, canned meat called spam, made by Hormel, is hated in America and in most Americans feel worthless nutritionally must be discarded at the earliest opportunity. An IT group in a university was supposed Describing unsolicited junk mail as spam, because it shares many properties with the meat.

• WHAT IS NANO A '-FACTORY?

Researchers in Japan have invented a small brain that can act as a remote control for swarms of nano-machines. They simultated eight such nanomachines to build a plant "nano". According to experts, nano-machines could also be used to increase power treatment of future computers. They also have high hopes for nano-machines in treating disease. The machine is composed of 17 molecules of the chemical Duroquinone. Each is known as a "logic device".

• WHAT is cybersquatting?

Cybersquatting is the recording of a website in the names of popular brands. The word squatting in this context means unauthorized occupation of property of others in Internet entrepreneurs techsavvy register websites in the names of popular brands whose owners do not have websites of their own. This can lead to misrepresentation in the media on Internet products or services sold by the brand on the market. The brand owners would naturally Buy this domain is to provide authentic information on products and services or to stem the negative effects of such distorted sites. The first person who registered the name brand sells the site and makes a profit. The ethical and legal aspects of such practice are ambiguous for the former owner of the site can be either authentic or fraudulent.

• WHAT MySQL?

MySQL (pronounced'my-ess-cueel ") is an open source, true multi-user, multi-threaded relational database management system (RDBMS) that uses Structured Query Language (SQL). MySQL was developed by two Swedes and a Finn – David Axmark, Allan Larsson and Michael Widenius. It was written in C, C + +, and was first published in 1995. Currently, MySQL has more than 11 million installations. MySQL is fast and flexible enough to allow the storage of logs and images. Its main goals are speed, robustness and ease of use. MySQL is Open Source, 100% GPL (General Public License) database. This gives a great opportunity for cornmunity open source and for those who are developing open source software.

• WHAT SONET WITH REFERENCE AN OPTICAL NETWORK?

Sonet (Synchronous Optical Network) is a broadband network physical layer designed to transport large volumes of traffic over relatively long distances on fiber optic cabling using lasers or lightemitting diodes (LEDs). It provides an interface standard for communications carriers to connect networks based on fiber optic cable to handle multiple data types (voice, video, etc.). SONET defines a technology-carrying signals from many different capacities through a synchronous, flexible, optical hierarchy that is carried out using a multiplexing system byteinterleaved. Byte-interleaving simplifies multiplexing and offers end to end network management. Sonet has been proposed by Bellcore in the mid 80s arid now a standard ANSI. It is a successor to other communication technologies well known implemented on the fiber optic network called PDH (plesiochronous Digital Hierarchy). It has several features that make it good for the Internet Today: It sets clear standards interoperability between products from different vendors. It can carry almost any protocol higher level (including intellectual property), and includes integrated support for easy management and maintenance. Sonet has emerged as a powerful protocol that is widely used for large networks and high performance.

• WHAT IS A Semaphore?

A semaphore (pronounced as Sehm uh fawr, invented by Edsger Dijkstra) computer is a conventional protection of common resources several programming environments such as Unix systems, semaphores are a technique for coordinating or synchronizing activities in which multiple processes competing for resources the operating system. A process needing the resource checks the semaphore to determine resource status, then decides how to proceed. Depending on the value found, the process can use the resource or will find it is already in service and must wait some time before trying again, thus avoiding bottlenecks.

• HOW DOES A LASER MOUSE WORK?

A laser mouse is a type of optical mice. It uses a laser beam that is invisible or almost invisible to the human eye. The beam emitted by the displacement laser mouse with the user's hand, triggering an optical sensor system. It works in tandem with a system that identifies how far the mouse has moved by bouncing hundreds of images per second, updated continuously mouse position and the subsequent position of the cursor on the screen.

• Who invented the pen drive?

A pen drive is another term for USB (Universal Serial Bus) flash disk, and is essentially a device for data storage. The pen drive was invented in 1998 by IBM, with the intention of replace the floppy drive in its ThinkPad line of products. The flash drive was first built by M-Systems contracted with IBM and was called the disgo. The disgo from different sizes: 8MB, 16MB, 32MB and 64MB After launching disgo, a number of players of different pen sizes, types and brands came in market. Today, pen drives are used in a variety of devices such as mobile phones, game consoles and music players Digital.

• WHAT Is beer GOOGLE IN FORCE?

The effect of beer Google refers to the tendency to Google information on someone we meet for the first time. This usually occurs when you consume alcohol, and under its influence, it looks up the person on the Internet. For example, I met the bar of Geeta ABC for the first time and she says she works at XYZ Inc. Immediately Back home, I have beer-google using the search string "XYZ Inc. Geeta.

• WHICH IS THE EARLIEST social networking site?

The social networking site was earlier classmates.com was created in 1995. He introduced the concept of user profiles and short messages sent and received from friends on the site. The basic objective was to keep in touch with old friends. Sixdegrees.com who entered in 1997 is considered the first social networking site to have all the features in a complete package.

• WHAT ARE applets?

An applet is a small application. Before the World Wide Web, high-write and drawing programs that came with Windows were sometimes called applets. On the Web, using Java, an applet is a small program that can be sent accompanied by a Web page a user. Java applets can perform interactive animations, immediate calculations, or other simple tasks without having to send a user request to the server.

• WHAT Bloatware reference?

Bloatware, also called junkware, adware and Demoware refers to software pre-installed and trial software that comes with Windows computers. Although it is a ploy to get consumers to buy software, most users regard as undesirable and confused by the different icons or toolbars that appear on their computers. Bloatware can also block the system and slow down.

• WHAT IS THE TIME preference theory of interest?

The Time Preference Theory of Interest is also known as the Agio theory of interest. It was presented by Bohm Bawerk, who said that interest is a premium (reward) or (premium) of time preference. People prefer current income, current use and satisfaction of current needs, which means that people are impatient spending. To encourage them to postpone their consumption, they must be compensated by the payment of interest. People prefer this in the future because the future is uncertain and desires of today can not be satisfied tomorrow. Irving Fisher improved, saying: "The rate of preference for measures of interest rates." Over time preference, the higher the impatience spend, and therefore, more interest rate, the lower the time preference plus the rate of interest. According to Fisher, people low income level, uncertain about their future and are sinks require higher interest rates while their opposites wondered small amount interest.

• WHY IS BLU-RAY DISC BLACK ON TOP?

The Blu-ray technology uses a blue violet) laser operating at a wavelength of 405 nanometers (nm) to read and write data. Conventional DVDs and CDs use red and near infrared lasers, 650 nm and 780 nm, respectively. Because the Blu-ray Disc data layer is closer to the disc surface, as compared to standard DVD, it was first more vulnerable to scratches. The first discs were housed in protective cartridges. Now, rewritable media are spin-coated with a Anti-scratch and antistatic coating, which gives the disc surface of the color black.

• WHAT IS A Google bomb?

A Google bomb is a way to boost the search ranking of a website for a particular term. Google gives importance to pages offering a link to a page especially for classification. In case of Google bombing, pranksters use a phrase a link to a particular page of their sites several times, to push this to the top page of search results.

• WHAT IS GRID COMPUTING?

Grid computing is a parallel processing architecture in which CPU resources are shared on a network and all machines function as one super-large. An example well known is the current Search for Extraterrestrial Intelligence in which thousands of the population share of unused processor cycles of their PCs in extensive research for signs of the sound signals from outer space.

• WHAT bluejacking?

Bluetooth is a wireless radio technology that allows computers, cell phones, laptops, etc. to talk to the other within a limited range. Bluejacking is the term based on two words – Bluetooth and hijacking. It refers to sending unnecessary messages anonymously using compatible devices with Bluetooth as a contact.

• WHAT PHARMING Reference?

The Pharming involves rerouting traffic to a particular website to be false. This is done by exploiting the weaknesses of the site's domain name system server. Pharming raises concerns for major companies and sites, e-commerce.

• HOW DATA CONTAINS THE INTERNET?

The estimate data contains the Internet is difficult, but there are some estimates. According to one, the amount is approximately 500 pages crore. Another assesses the amount of data in the digital world of 2010 would be 12 stacks of pages, each of which would be twice long as the distance between the Sun and Pluto.

• WHAT Is viral MAIL?

An e-mail virus is a string Online Word, which is transmitted from person to person, almost like old drums speak. The term 'viral' just viruses, which means Pass-Along. Viral emails are generally humorous in nature, one person can send to friends or they can be used to disseminate a message socially important can reach across the world in these emails are also used for commercial purposes – called viral marketing or advertising.

• WHAT IS THE DIFFERENCE BETWEEN screen computer and console game?

The main device the computer keyboard and mouse, while all systems come with the console game pads used to control movement in the game Technically, a computer game can be considered as one consisting of a computer-controlled virtual universe. A video game is a game where a video display is the primary reactions, which is displayed on a television screen.

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