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Computer Hardware

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Created by:

chhs-ward  on September 5, 2010

Subjects:

computer

Description:

Principles of Information Technology

Classes:

Networking, 7th Grade BFIT, IBCA - 1st period, Coach Kimbell's DeKalb Tech Prep. fall12, RRJSHS--Technology 7, Keyboarding @ TWS, 4th period, 5th period, CST1, 7th period, Tigers 8th, Tigers 9th, Tigers Seniors, CHHS - Ward - Principles of Information Technology (see more)

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Computer Hardware

Broadband
the use of dedicated telephone lines or cable television equipment to maintain a constant connection between two computers.
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27 terms

Terms

Definitions

Broadband the use of dedicated telephone lines or cable television equipment to maintain a constant connection between two computers.
CD-ROM compact disk read-only memory; a CD that contains data a computer can read, but to which the computer cannot write new data.
CPU central processing unit; the part of a computer that controls the computer's logic and its ability to carry out its most basic operations.
DSL digital subscriber line; high-capacity telephone line used in some broadband connections.
Graphics Card a circuit board for processing and displaying graphics.
Hard Drive a digital storage device that houses a rigid disk, also called a hard disk, that stores information magnetically.
LCD liquid crystal display; a type of computer monitor that uses technology that displays text and images by passing electricity through a liquid crystal solution sandwiched between two magnetic sheets.
LAN local-area network; a group of interconnected computers in one location, such as a building or complex of buildings.
Memory Card a small removable digital input module used in digital input devices such as cameras an daudio recorders.
Motherboard the main circuit board of a computer.
Operating System software that enables a computer to run other software and perform basic tasks such as accepting input, processing, and sending output.
Peripheral a device that is used with a computer but is not an essential part of it.
Plasma Display a flat-panel display that creates images by passing electrical impulses through a neon-xenon gas mixture sandwiched between two sealed glass plates with electrodes on their surfaces.
RAM random access memory; the electronic memory in which a computer stores data temporarily while a user works with it; also called temporary memory.
Webcam a digital video camera connected to the World Wide Web to broadcast video.
WAN wide-area network; a group of interconnected computers spread over a wide geographical area.
Zip disk a removable disk that has a storage capacity of 100 MB, 250 MB, or 750 MB and requires a Zip disk drive.
Microprocessor a computer part that contains millions of electronic components and that does most of a computer's processing; also called a chip.
DVD digital video disk; a CD-like optical disk with a capacity of 4.7 GB or more that can hold a full-length commercial movie.
Chip another name for microprocessor.
Gigabyte a measure of data storage equal to approximately one billion bytes; abbreviated GB.
Megabyte a unit of digital storage equal to approximately one million bytes; abbreviated MB.
Byte the amount of computer memory required to store a single character; equal to eight bits.
CD-RW compact disc read/write; a CD on which a computer can store, erase, and replace data.
CD-R compact disc-recordable; a CD on which a computer can write data. Data written to this type of disc cannot be overwritten.
ROM chip read-only memory; a chip containing integrated circuits that cannot be erased or reprogrammed.
Flash drive A tiny, removable and rewritable memory device that plugs into a computer's USB port. There are many other names also used in popular language, including key drive, jump drive, thumb drive, USB flash drive, USB drive, keychain drive, memory key, pen drive.