Computer Organisation & the CPU — Chapter Test

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Question 1

Which part of the CPU performs arithmetic and logic operations?

AControl Unit

BALU

CRegisters

DProgram Counter

Question 2

What is the role of the Control Unit (CU)?

APerforms calculations

BStores files permanently

CDirects and coordinates the flow of data and operations

DDisplays output

Question 3

What is the correct order of the instruction cycle?

AExecute → Fetch → Decode

BFetch → Decode → Execute

CDecode → Execute → Fetch

DFetch → Execute → Decode

Question 4

Registers are best described as…

APermanent storage on the hard disk

BTiny, ultra-fast storage inside the CPU

CAnother name for RAM

DInput devices

Question 5

In the von Neumann (stored-program) model, where do program instructions and data reside?

AIn completely separate memories

BIn the same memory

COnly in registers

DOnly on the hard disk