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Computer and Technology

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Virus

by Syeda Tasneem Rumy | Sep 16, 2009
A computer virus is a computer program that can copy itself and infect a computer without the permission or knowledge of the owner. The term "virus" is also commonly but erroneously used to refer to other types of malware, adware, and spyware programs that do not have the reproductive... »read more
Rating: 0 1 2 3 4 5 | Views: 2415 | Computer and Technology

Google Latitude : Broadcasting Your Location

by Tina S | Jan 4, 2010
Google Latitude broadcasts your location from your mobile phone, letting your friends know where you are and keep in touch anywhere in the world..
   Google Latitude is a location-aware mobile app developed by Google. Latitude allows a mobile phone user to allow certain people on to track their location. Via their own iGoogle accounts, the user's cell phone location is mapped on Google Maps. The user can control the accuracy and... »read more
Rating: 0 1 2 3 4 5 | Views: 2480 | Computer and Technology

A Short Operating System Timeline

by Zakir Hossain | Dec 6, 2009
A short list of interesting development in Operating Systems
A brief time line of the operating systems throughout the history that caught my interest which are very study able; these systems, I thought to have some major impact on how the world is today. The information given here is collected from different websites. 1956: GM-NAA I/O 1959: SHARE... »read more
Rating: 5 Rating 1 Rating 2 Rating 3 Rating 4 Rating 5 | Views: 3971 | Computer and Technology

Working Principle of MPEG Player

by Derek Thompson | Sep 28, 2009
  Working Principle of MPEG Player   The job of MPEG is to take analogue or digital video signals and convert them to packets of digital data that are more efficiently transported over a network. Being digital it has the following advantages : Signal does not degrade... »read more
Rating: 5 Rating 1 Rating 2 Rating 3 Rating 4 Rating 5 | Views: 3042 | Computer and Technology

Optical Fiber

by Tracy Pettigrue | Sep 28, 2009
Optical Fiber
An optical fiber (or fibre) is a glass or plastic fiber designed to guide light along its length by confining as much light as possible in a propagating form. In fibers with large core diameter, the confinement is based on total internal reflection. In smaller diameter core fibers, (widely used... »read more
Rating: 5 Rating 1 Rating 2 Rating 3 Rating 4 Rating 5 | Views: 2206 | Computer and Technology

CHOOSING A REPLACEMENT TRANSISTOR

by Syeda Tasneem Rumy | Jul 12, 2010
Clearly the ideal replacement for any transistor is a new one of exactly the same type. But letÂ’s face it: there have been around 200,000 different transistor types produced so far over the years,
When youÂ’re servicing a piece of faulty electronic equipment, the problem can easily involve a transistor that has shorted, gone open circuit or developed low gain and/or high leakage. Tracking down the dud may not be too hard, but finding a suitable replacement can pose problems —... »read more
Rating: 5 Rating 1 Rating 2 Rating 3 Rating 4 Rating 5 | Views: 3637 | Computer and Technology

Universal Serial Bus

by Tracy Pettigrue | Sep 28, 2009
Universal Serial Bus
Universal Serial Bus (USB) is a serial bus standard to interface devices. A major component in the legacy-free PC, USB was designed to allow peripherals to be connected using a single standardized interface socket, to improve plug-and-play capabilities by allowing devices to be connected and... »read more
Rating: 0 1 2 3 4 5 | Views: 2088 | Computer and Technology

Computer Security System

by Tina S | Oct 28, 2009
Potential Impact of Computer Security
  A computer can be considered secure if it and its software can be depended upon. This does not mean that it is absolutely impenetrable to crackers, viruses and other forms of unauthorized entry. The only computer that is absolutely secure is unplugged and locked in a vault somewhere.... »read more
Rating: 0 1 2 3 4 5 | Views: 2390 | Computer and Technology

A Comparative Study on the Performance of World Wide Web Search Engines

by Randy Trevor | Oct 20, 2009
Internet has emerged as the most powerful medium for storage and retrieval of information.
  WORLD WIDE WEB   The World Wide Web abbreviated as WWW or referred simply as the Web is a system of Internet servers that supports hypertext to access several Internet protocols on a single interface. Because of its features, and because of the Web's ability to work... »read more
Rating: 0 1 2 3 4 5 | Views: 2199 | Computer and Technology

What Is OEM?

by Tina S | Jan 5, 2010
An organization that markets a product composed of components and subsystems manufactured by other companies under its own name and brand.
  OEM stands for "original equipment manufacturer" and OEM software is a phrase that refers to software that is sold to computer builders and hardware manufacturers (OEMs) in large quantities, for the purpose of bundling with computer hardware. The third-party software that comes... »read more
Rating: 0 1 2 3 4 5 | Views: 2036 | Computer and Technology

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