36. CPU are mainly made of by which materials ?

[A] Silicon

[B] Germanium

[C] Indium

[D] Gallium

View Answer

ANSWER: Option(A).


MEMORY: No memory available.

37. Which of the following is refered to as primary memory ?

[A] Storage

[B] Ram

[C] Disk Drive

[D] SSD

View Answer

ANSWER: Option(B).


MEMORY: When we talk about computer’s memory, its always refers to RAM (Beacause, CPU directly access RAM not secondary storage) while HDD, SSD, Pendrive, are used as secondary storage.

38. Which one of the following is world’s first “Random Access Memory” ?

[A] Selectron Tube

[B] Williams Tube

[C] Flips-Flops

[D] DRAM

View Answer

ANSWER: Option(B).


MEMORY: The williams tube was invented by Freddie Williams and Tom Killburn and works by displaying a grid of dots on a CRT. This creates a small change of static electricity over each dot.

39. A hardware or software that enables one computer system (Called host) to behave like another computer system (Called guest) is –

[A] Emulator

[B] NIC

[C] Compiler

[D] Interpreter

View Answer

ANSWER: Option(A).


MEMORY: No memory available.

40. Which of the following is not a task performed by a CPU of a computer ?

[A] Fetching Instructions

[B] Interpreting Instructions

[C] Storing data Permanently

[D] Processing Data

View Answer

ANSWER: Option(D).


MEMORY: No memory available.