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Computer Science Multiple Choice Questions and Answers on CPU

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Computer Science objective questions and answers set contain 5 mcqs on central processing unit (cpu), ROM, Control unit etc. Each multiple choice quiz question has 4 options as possible answers. Choose your option and check it with the given correct answer.
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(6) CPU gets the address of next instruction to be processed from
[A] Instruction register
[B] Memory address register
[C] Index register
[D] Program counter

Comment

Answer: Option [D]
(7) Cycle Stealing refers to -
[A] reduction in the number of clock cycles for memory access in a cache memory
[B] overlapping of the memory refresh operation and memory read operations in dynamic memories
[C] reduction in instruction cycle time through instruction pipelining
[D] none of these

Comment

Answer: Option [D]

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(8) CPU consists of
[A] ALU, Control Unit and Registers
[B] ALU and Control Unit
[C] ALU, Control Unit and Hard Disk
[D] ALU, Control Unit and Monitor

Comment

Answer: Option [A]
(9) Which application is handled in ROM ?
[A] Storage for information on cabling of terminals, such as which ports have terminals on them
[B] Storage for protected passwords
[C] Storage for microprograms
[D] Storage for temporary variables

Comment

Answer: Option [C]
(10) Which of following coordinates various operations using timing signals ?
[A] control unit
[B] memory unit
[C] Input-Output Unit
[D] ALU

Comment

Answer: Option [A]

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