Computer Basics

J&K Bank PO · Computer Aptitude · 306 practice questions with answers and explanations: 133 Easy, 94 Medium, 79 Hard.

Sample questions

Sample Easy question 1

Edge is a web browser developed by:

  1. Apple
  2. Tally Solutions
  3. Microsoft
  4. The Document Foundation
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Answer: C. Edge is a product of Microsoft.

Sample Easy question 2

Safari is a web browser developed by:

  1. Apple
  2. Adobe
  3. Microsoft
  4. Canonical
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Answer: A. Safari is a product of Apple.

Sample Easy question 3

Firefox is a web browser developed by:

  1. Google
  2. Mozilla
  3. Apple
  4. The Document Foundation
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Answer: B. Firefox is a product of Mozilla.

Sample Medium question 4

Which memory is closest to the CPU?

  1. Pen drive
  2. Hard disk
  3. RAM
  4. Registers
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Answer: D. Registers are inside the CPU.

Sample Medium question 5

One terabyte (TB) equals:

  1. 1000 MB
  2. 100 GB
  3. 1024 MB
  4. 1024 GB
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Answer: D. 1 TB = 1024 GB.

Sample Medium question 6

A program that translates one line at a time is a(n):

  1. Interpreter
  2. Assembler
  3. Loader
  4. Compiler
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Answer: A. An interpreter executes code line by line.

Sample Hard question 7

An uncompressed image of 800 × 600 pixels uses 24 bits per pixel. What is its approximate size in MB (1 MB = 1024 × 1024 bytes)?

  1. 2.06 MB
  2. 10.99 MB
  3. 0.17 MB
  4. 1.37 MB
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Answer: D. Size = 800 × 600 × 24 ÷ 8 = 1440000 bytes = 1.37 MB.

Sample Hard question 8

An uncompressed image of 1280 × 720 pixels uses 24 bits per pixel. What is its approximate size in MB (1 MB = 1024 × 1024 bytes)?

  1. 2.64 MB
  2. 21.09 MB
  3. 3.96 MB
  4. 0.33 MB
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Answer: A. Size = 1280 × 720 × 24 ÷ 8 = 2764800 bytes = 2.64 MB.

Sample Hard question 9

An uncompressed image of 640 × 480 pixels uses 8 bits per pixel. What is its approximate size in MB (1 MB = 1024 × 1024 bytes)?

  1. 0.44 MB
  2. 0.29 MB
  3. 0.04 MB
  4. 2.34 MB
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Answer: B. Size = 640 × 480 × 8 ÷ 8 = 307200 bytes = 0.29 MB.

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