1) What is clock speed measured in? a) Bytes b) Hertz c) Seconds 2) Which register holds the address of the next instruction to be fetched from memory? a) Program counter b) Memory address register (MAR) c) Current instruction register (CIR) 3) What is an embedded system? a) A system that has many processors b) A computer designed to perform more than one task c) A small computer that forms part of a larger system 4) Storage inside the inside the CPU which is faster to access than RAM? a) Clock Speed b) Cores c) Control Unit d) Cache 5) Carries out calculation a) MAR b) Accumulator c) Program Counter d) ALU 6) Controls the flow of data and instructions using the Fetch Decode Execute cycle a) Accumulator b) ALU c) Program Counter d) Control Unit 7) Stores intermediate results of calculations in the ALU  a) Accumulator b) ALU c) Program Counter d) Control Unit 8) What is the purpose of the CPU? a) Storage b) Memory c) Processing d) Input Data 9) Instructions that can be carried out per second a) Clock Speed b) Control Unit c) Cores d) Chache 10) More _______ the more instructions that can be carried out at once a) Clock Speed b) Control Unit c) Cores d) Cache

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