RAM - Provides extremely fast access for sections of a program and its data, Processor - Controls all the operations , Mouse - Controls the cursor, Clock - Controls the timing of signals in the computer, Flash memory key - Reads and writes to electronic chips on a card, Monitor - Displays the output from a computer on a screen, Keyboard  - Inputs data through keys like a typewriter, DVD-ROM drive - Reads DVD-ROMs, Cache - Holds data read or written to it by the processor, ROM - Holds instructions which are needed to start up the computer,

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