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Computer Hardware - Coggle Diagram
Computer Hardware
The role of CPU
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It is a microprocessor, and its main role is to process programs and data.
This is achieved by repeatedly fetching an instruction from memory and executing it (carrying out an instruction).
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The Fetch execute cycle
These are high speed memory locations, each used for a specific purpose.
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Registers for e.g Program Counter (PC) Memory address register (MAR) have a important role in this cycle.
Registers
Program Counter (This stores the address (memory location reference) of the next instruction to be fetched).
Memory Address register (All program instructions are stored in a number of memory locations, each of which have a unique address.
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