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Understanding Computer Hardware Systems is a document available to read on EtoBox.

This unit covers computer hardware components and how they work together. It focuses on the processor and memory. The processor, also called the central processing unit (CPU), executes instructions stored in memory and is the main component that controls the other parts of the computer. The CPU follows a fetch-execute cycle to read instructions from memory, decode and execute them using its arithmetic logic unit, and write results back to memory. A cache is a high-speed memory that stores recently used data

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