Computer and Network Terms

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Term Definition
A data transmission rate; the maximum amount of information (bits/second) that can be transmitted along a channel.
a number system composed of 1's and 0's used to represent information.
basic input/output system - a program embedded on the computers motherboard that contains instructions on how the computer should boot up and recognize various devices that make up the computer.
a unit of measurement of information (from binary + digit); the amount of information in a system having two equiprobable states) "there are 8 bites in a byte.
of or relating to or being a communications network in which the bandwidth can be divided and shared by multiple simultaneous signals (as for voice or data or video).


a sequence of 8 bits (enough to represent one character of alphanumeric data) processed as a single unit of information.


Central Processing Unit
the part of a computer (a microprocessor chip) that does most of the data processing.
a short line of text that a web site puts on your computer's hard drive when you access the web site.
a program that determines how a computer will communicate with a peripheral device.
a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet.
Hard Drive
computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it.
a computer that provides client stations with access to files and printers as shared resources to a computer network.
hypertext markup language - the set of tags and rules used for developing web pages.
the branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information.
a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange.