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Computer Science Set-1
Computer Organization and Architecture
53

Computer Organization and Architecture MCQ with Answers

53) Pseudo-instructions are

Assembler directives

Instructions in any program that have corresponding machine code instruction

Instruction in any program whose absence will not change the output for any input

None of these

Answer is:

Assembler directives

Computer Organization and Architecture MCQ with Answers

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Related Computer Organization and Architecture MCQ with Answers

54) The number of instructions needed to add ′n ′ numbers and store the result in memory using only one address instructions is

n

n+1

n-1

independent of n

Answer is:

n+1

55) The addressing mode used in the instruction PUSH B is

Direct

Register

Register indirect

Index

Answer is:

Register

56) The process of fetching and executing instructions,one at a time, in order of increasing addreses is called

Instruction execution

Straight line sequencing

Instruction fetch

Instruction Cycle

Answer is:

Straight line sequencing

57) The CPU of a Computer takes instruction from the memory and executes them. This process is called

Load cycle

Time sequence

Fetch-execute cycle

None of these

Answer is:

Fetch-execute cycle

The CPU of a Computer takes instruction from the memory and executes them. This process is called

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