JSA 2021 Examination MCQs with solutions

1. Where is the Headquarters of `UNICEF` located?

A

Vienna

B

Geneva

C

Brussels

D

New York

General JSA 2021
Correct Answer: D
Explanation

New York

Correct Answered :

Wrong Answered :

2. The sustainable development goals include a list of ___ associated targets.

A

151

B

269

C

169

D

196

General JSA 2021
Correct Answer: C
Explanation

169

Correct Answered :

Wrong Answered :

3. Which is the longest river in Asia?

A

Indus

B

Yangtze

C

Ganges

D

Brahmaputra

General JSA 2021
Correct Answer: B
Explanation

Yangtze

Correct Answered :

Wrong Answered :

4. Where was the first Hockey World Cup held in 1971?

A

Jaipur, India

B

Karachi, Pakistan

C

Barcelona, Spain

D

Hague, Netherlands

General JSA 2021
Correct Answer: C
Explanation

Barcelona, Spain

Correct Answered :

Wrong Answered :

5. World Health Organisation is a specialized agency of which of the following organizations?

A

World Bank

B

European Commission

C

United Nations

D

European Union

General JSA 2021
Correct Answer: C
Explanation

United Nations

Correct Answered :

Wrong Answered :

6. What is the full form of MBR?

A

Memory Builder Register

B

Main Buffer Register

C

Main Builder Register

D

Memory Buffer Register

Computer JSA 2021 VERIFIED
Correct Answer: D
Explanation

Memory Buffer Register

Correct Answered :

Wrong Answered :

7. Form factor (F) of centre tapped full wave rectifier is ______.

A

0.9

B

0.71

C

1.11

D

0.48

Computer JSA 2021 VERIFIED
Correct Answer: C
Explanation

1.11

Correct Answered :

Wrong Answered :

8. How many diodes are used in a single phase full bridge type rectifier?

A

2

B

4

C

1

D

3

Computer JSA 2021 VERIFIED
Correct Answer: B
Explanation

4

Correct Answered :

Wrong Answered :

9. ______ is used to carry read/write commands, status of input/output devices etc.

A

Memory drive

B

Control bus

C

Address unit

D

System unit

Computer JSA 2021 VERIFIED
Correct Answer: B
Explanation

Control bus

Correct Answered :

Wrong Answered :

10. In computer hardware, ______ carries the addresses of different input/output devices

A

LED unit

B

Address bus

C

Memory drive

D

Centre disk

Computer JSA 2021 VERIFIED
Correct Answer: B
Explanation

Address bus

Correct Answered :

Wrong Answered :

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