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Computer
Vocabulary words
12
Computer Science
5th Grade
09/15/2008

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Cards

Term
binary
Definition
computers think in a language of 1s and 0s.
Term
[image] CPU
Definition

Central Processing Unit   

It handles most of the work & tells

other parts what to do.

Term
mHz
Definition
megahertz; million times per second the CPU can process information
Term
ROM
Definition
read-only memory; similar to brain's long term memory. As in remembering your parents' names
Term
RAM
Definition
random-access memory; similar to our short-term memory
Term
[image]  hard drive
Definition
made up of several round magnetic discs that store all the information your computer holds; examples are games,software,folders, photos, music, etc.
Term
[image]modem
Definition
might be inside your computer or a box you plug in. Let's you talk to other computers by sending bits of information
Term
[image]circuit board
Definition
ties everything together. External devices like printers, mouse, keyboard, scanner, etc.
Term
buses
Definition
electrical pathways that connect the internal parts
Term
[image]sound card
Definition
changes bits to sound files
Term
[image]video card
Definition
changes bits to pictures
Term
operating system or interface
Definition
virtual files, folders, buttons that let you interact with the computer; called the interface
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