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Computer Basics

08 Basic Computer Class Week 2 Vocabulary

Computer Any machine that can do all four of the following things: Receive Input, Process Data, Save Information, & Provide Output
Hardware The physical components of a computer
Software Program that controls the actions your computer will take
Program A set of machine-readable instructions that direct a computer's processor to perform specific operations
Operating System Easy-to-use interface that allows a computer's user to easily customize and navigate files
Input Device Any piece of hardware that allows the user to enter commands or data into the computer
Output Device Any piece of computer hardware that sends information from the computer to the user
Binary Language, consisting of 1's and 0's, that programmers use to tell the computer how and when to turn it's switches on and off
Bit Smallest unit of computer memory
Byte 8 bits
Read Only Memory (ROM) Long-term memory of a computer
Random Access Memory (RAM) Short-term memory of a computer
Central Processing Unit The "brain" of the computer. Responsible for interpreting and following commands from the computer's hardware and software.
Hertz The number of operations that a computer processor can perform per second
Extension Three or four letters at the end of a file name that tells what type of software can open it