Computer Basics

JKSSB Assistant Training Officer (Handicrafts & Handlooms) · Basic Concepts of Computers · 289 practice questions with answers and explanations: 118 Easy, 92 Medium, 79 Hard.

Sample questions

Sample Easy question 1

What does the abbreviation FOSS stand for?

  1. Graphics Interchange Format
  2. Free and Open Source Software
  3. Object Linking and Embedding
  4. Relational Database Management System
Show answer

Answer: B. FOSS stands for Free and Open Source Software.

Sample Easy question 2

The full form of PaaS is:

  1. What You See Is What You Get
  2. Command Line Interface
  3. Object Linking and Embedding
  4. Platform as a Service
Show answer

Answer: D. PaaS stands for Platform as a Service.

Sample Easy question 3

What does the abbreviation IaaS stand for?

  1. Object Linking and Embedding
  2. Joint Photographic Experts Group
  3. What You See Is What You Get
  4. Infrastructure as a Service
Show answer

Answer: D. IaaS stands for Infrastructure as a Service.

Sample Medium question 4

The hexadecimal equivalent of the decimal number 140 is:

  1. 8D
  2. 9C
  3. 8C
  4. 8B
Show answer

Answer: C. 140 = 8C in hexadecimal.

Sample Medium question 5

The hexadecimal equivalent of the decimal number 245 is:

  1. F5
  2. F4
  3. F6
  4. 105
Show answer

Answer: A. 245 = F5 in hexadecimal.

Sample Medium question 6

The decimal value of the hexadecimal number ED is:

  1. 238
  2. 221
  3. 237
  4. 247
Show answer

Answer: C. ED₁₆ = 237.

Sample Hard question 7

What is the sum of the binary numbers 1000000 and 1001010?

  1. 10000111
  2. 10001011
  3. 10010001
  4. 10001010
Show answer

Answer: D. 1000000 is 64 and 1001010 is 74 in decimal. 64 + 74 = 138, which is 10001010 in binary.

Sample Hard question 8

What is the sum of the binary numbers 1010011 and 100011?

  1. 1110110
  2. 1110000
  3. 1111000
  4. 1110100
Show answer

Answer: A. 1010011 is 83 and 100011 is 35 in decimal. 83 + 35 = 118, which is 1110110 in binary.

Sample Hard question 9

What is the sum of the binary numbers 101100 and 10111?

  1. 1000110
  2. 111110
  3. 1000000
  4. 1000011
Show answer

Answer: D. 101100 is 44 and 10111 is 23 in decimal. 44 + 23 = 67, which is 1000011 in binary.

More Basic Concepts of Computers topics for JKSSB Assistant Training Officer (Handicrafts & Handlooms)

Related articles