Laboratory Attendant 2021 Examination MCQs with solutions

1. Which device is used in computers of third generation in place of transistor?

A

Capacitance

B

Electronic circuits

C

Integrated circuits

D

Resistance

Computer Laboratory Attendant 2021 VERIFIED
Correct Answer: C
Explanation

C

Correct Answered :

Wrong Answered :

2. The most common pointing device in the laptop computer is:

A

Stylus

B

Touchpad

C

Joystick

D

Pointer

Computer Laboratory Attendant 2021 VERIFIED
Correct Answer: B
Explanation

B

Correct Answered :

Wrong Answered :

3. _______ used packet switching to allow multiple computers to communicate on a single network

A

NSFNET

B

NWGNET

C

ARPANET

D

RPANET

Computer Science Laboratory Attendant 2021 VERIFIED
Correct Answer: C
Explanation

C

Correct Answered :

Wrong Answered :

4. Full form of GUI :

A

General User Input

B

Group User Instruction

C

Graphical User Instruction

D

Graphical User Interface

Computer Science Laboratory Attendant 2021 VERIFIED
Correct Answer: D
Explanation

D

Correct Answered :

Wrong Answered :

5. LINUX launched its Operating System in the year:

A

1991

B

1990

C

1980

D

1989

Computer Science Laboratory Attendant 2021 VERIFIED
Correct Answer: A
Explanation

A

Correct Answered :

Wrong Answered :

6. How can we execute the Machine language?

A

It cannot be executed

B

We use special assembler

C

It can be executed using separate machine

D

It can be directly executed by CPU

Computer Science Laboratory Attendant 2021 VERIFIED
Correct Answer: D
Explanation

D

Correct Answered :

Wrong Answered :

7. Which of the following devices is ONLY an input device?

A

Computer Monitor

B

Speaker

C

USB flash drive

D

Computer Keyboard

Computer Laboratory Attendant 2021 VERIFIED
Correct Answer: D
Explanation

D

Correct Answered :

Wrong Answered :

8. Which of the following device can act as both input and output device?

A

Projector

B

Microphone

C

Keyboard

D

USB flash drive

Computer Laboratory Attendant 2021 VERIFIED
Correct Answer: D
Explanation

D

Correct Answered :

Wrong Answered :

9. The _______ key is used to print a word document.

A

Ctrl+p

B

Ctrl+s

C

Ctrl+l

D

Ctrl+v

Computer Laboratory Attendant 2021 VERIFIED
Correct Answer: A
Explanation

A

Correct Answered :

Wrong Answered :

10. Which of the following is NOT a mobile operating system?

A

Symbian OS

B

Bada

C

Mojave

D

Android

Computer Science Laboratory Attendant 2021 VERIFIED
Correct Answer: C
Explanation

C

Correct Answered :

Wrong Answered :

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