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26
Computer Science
Undergraduate 1
03/16/2010

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Term
ASCII
Definition
American Standard Code for information interchange. the number system that personal coputers use to represent character data
Term
bit
Definition
binary digit o-1
Term
byte
Definition
a field size property that stoores whole numbers from 0-255 in one byte
Term
kilobyte
Definition
1,024 bytes
Term
megabyte
Definition
1,048,576 bytes about one million bytes
Term
terabyte
Definition
1,024 gb or oone trillion bytes
Term
megahertz
Definition
one million cycles per second
Term
gigahertz
Definition
one billion cycles per second
Term
motherboard
Definition
The main circuit of the computer
Term
RAM
Definition
chips on a card plugged into the motherboard temporarily holds programs and data while the coputer is turned on
Term
cache
Definition
special high speed memory chips on the mmotherboard or cpu that stores frequently accessed and recently accessed data ans commands
Term
microprocessor
Definition
a silcon chip located on the motherboard that is responsible for executing instructions to process data
Term
virtual memory
Definition
space on the the coputer storage devices that simulates additional ram
Term
hard disc drive
Definition
Term
cd
Definition
Term
dvd
Definition
Term
flash drive
Definition
Term
magnetic storage
Definition
Term
optical storage
Definition
Term
usb
Definition
Term
malware
Definition
Term
spyware
Definition
Term
adware
Definition
Term
virus
Definition
Term
pixel
Definition
Term
gigabyte
Definition
1,073,741,824 bytes or about one billion bytes
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