Computer and Network Terms

All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Term Definition
Bandwidth

a data transmission rate; the maximum amount of information (bits/second) that can be transmitted along a channel.

Binary

 

a number system composed of 1's and 0's used to represent information.

 

BIOS

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.

Bit

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."

Broadband

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).

Byte

 

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.

Cookie

a short line of text that a web site puts on your computer's hard drive when you access the web site.

Driver

a program that determines how a computer will communicate with a peripheral device.

Firewall

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.

 

Host

a computer that provides client stations with access to files and printers as shared resources to a computer network.

HTML

hypertext markup language - the set of tags and rules used for developing web pages.

I.T.

information technology - the branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information.

Internet

a computer network consisting of a worldwide network of computer networks that use the TCP/IP network protocols to facilitate data transmission and exchange.