Computer - a programmable device that takes in data, processes it into useful information and then outputs the information so it can be used, General purpose system - devices that have a variety of uses, the user chooses which task the computer will complete, Embedded system - specialized system that can do a limited number of things, but do them well, CPU - Central Processing Unit, the brain of the computer, RAM - Random Access Memory, readable and writable memory that is quick, but lost when the computer is turned off, ROM - Read-only memory that is fast and secure, saving even without power, Hard Drive - Main storage device on computer, BIOS - Contains the basic code for controlling all computer hardware, Operating System - Pieces of software that control interactions between software and hardware, Control unit - The brain of the CPU, controls and manages instructions for the other components, ALU - Arithmetic Logic Unit handles any calculating or logic needed in an instruction, Clock - regulates number of cycles per second in CPU, Registers - small fast memory locations in CPU, Bus - Set of parallel wires that move data between components in the CPU,
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ICD2O- Unit 2 Hardware & Software Vocabulary
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Amyrobinson
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