PG TRB Model Question Paper for Computer Science - 4

Question: 16

What is the function of control unit in CPU?

(A) To decode program instructions

(B) To perform logic operations

(C) To stop program instruction

(D) To transfer data to primary storage

Ans: A

To decode program instructions

Question: 17

____ is/are the responsibility (is) of the logical unit in the CPU of a computer.

(A) To predict output

(B) To compare data

(C) To save work

(D) To control the information

Ans: B

To compare data

Question: 18

Central Processing Unit (CPU) consists of ____

(A) Registers

(B) Arithmetic and Logic unit (ALU)

(C) Control unit

(D) All of these

Ans: D

All of these

Question: 19

The person who contributed the idea of the stored program was

(A) Charles Babbage

(B) John Van Neumann

(C) Hogweed Aiken

(D) Pascal

Ans: B

John Van Neumann

Question: 20

The device, which is used to convert digital data into analog form and vice-versa is called as ___

(A) Joystick

(B) Light pen

(C) Keyboard

(D) Modem

Ans: D

Modem

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