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14 cards from this deck
Continuous repeating process in processor that runs programs
Fetch, Decode, Execute
Processor retrieves next instruction from memory
Specific location where instructions are stored
Temporary storage area for fetched instruction
Control unit examines instruction & works out what to do
Decodes instructions to work out what needs to be done
Processor carries out the decoded instruction
Performs mathematical calculations during Execute stage
Must always be Fetch, then Decode, then Execute
Immediately after Execute stage finishes
Millions or billions of cycles per second
Small, fast storage between processor & main memory
Stores frequently-used instructions closer to processor
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