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What is IGCSE ICT: Computer System Components about?

The document discusses the main components of a computer system, including the central processing unit (CPU), memory (cache, RAM, ROM), and input/output devices. It describes the CPU as the "brain" that performs calculations and decision making. It defines RAM as temporary memory for active processes, ROM as built-in instructions for startup, and cache as the fastest memory between the CPU and RAM. Secondary/backing storage refers to non-volatile storage like hard disks that preserve data when the computer

Author

eba ahmed

Language

EN