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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