1) Central Processing Unit - Executes instructions and processes data in a computer. a) FetchExecute Cycle b) CPU c) ACC d) CIR 2) The cycle by which a CPU retrieves, decodes, and executes instructions. a) CPU b) CIR c) FetchExecute Cycle d) ALU 3) Small, fast storage locations in the CPU used during processing. a) Register b) CPU c) PC d) Fetch 4) Memory Address Register - Holds the address of the memory location to be accessed. a) MAR b) CU c) Decode d) ALU 5) Memory Data Register - Holds the data being transferred to or from memory. a) CU b) Execute c) CPU d) MDR 6) Current Instruction Register - Holds the instruction currently being executed or decoded. a) ACC b) CIR c) Register d) Execute 7) Program Counter - Contains the address of the next instruction to be executed. a) PC b) CU c) ALU d) MDR 8) Accumulator - Temporarily stores arithmetic and logic results. a) Decode b) Register c) Execute d) ACC 9) Arithmetic Logic Unit - Performs arithmetic and logical operations. a) ALU b) Register c) FetchExecute Cycle d) Fetch 10) Control Unit - Directs the operation of the processor. a) Register b) CU c) MDR d) ACC 11) This stage retrieves the next instruction from memory using the address in the Program Counter (PC). a) Fetch b) PC c) ALU d) CIR 12) This stage interprets the fetched instruction. a) MDR b) Decode c) PC d) CIR 13) This stage carries out the decoded instruction. a) ALU b) Execute c) CPU d) MDR

Unit 3 CPU - T1 CPU Architecture - Gameshow Quiz

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