6999+ SSC CGL Computer Questions Pdf - 1

Question: 1

The register which contains the instruction that is to be executed is called

(A) memory data register

(B) memory address register

(C) instruction register

(D) index register

Ans: C

instruction register

Question: 2

The most common input device used today is

(A) keyboard

(B) scanner

(C) track ball

(D) mother board

Ans: A


Question: 3

Program Status Word (PSW) contains various (different) status of

(A) registers

(B) cpu

(C) program

(D) alu

Ans: B


Question: 4

A set of related programs is called

(A) package

(B) arrays

(C) script

(D) stacks

Ans: A


Question: 5

The register which keeps track of the execution of a program and which contains memory address of the instruction currently being executed is called

(A) program counter

(B) instruction register

(C) index register

(D) memory address register

Ans: A

program counter

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