Computer Science MCQs for 10th Class (Federal Board)

This page has over 1,300 multiple-choice questions for Computer Science (10th Class (Federal Board)), arranged in 7 chapters and 12 topics. The chapters include Number Systems and Data Representation, Operating Systems and Software, Computational Thinking and Algorithms, Web Development: HTML, CSS and JavaScript and Data Science, AI and Databases. Every question has four options, an instant answer and, where available, a short explanation.

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Chapters and topics

  • Number Systems and Data Representation 2 topics · 217 MCQs
  • Operating Systems and Software 2 topics · 210 MCQs
  • Computational Thinking and Algorithms 2 topics · 203 MCQs
  • Web Development: HTML, CSS and JavaScript 2 topics · 216 MCQs
  • Data Science, AI and Databases 2 topics · 209 MCQs
  • Applications of Computer Science 1 topic · 149 MCQs
  • Impacts of Computing, Digital Literacy and Entrepreneurship 1 topic · 110 MCQs

Sample Computer Science MCQs

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Q1. In the hexadecimal number system, the place value (weight) of position 2 (counting from 0 at the right) is:

  1. 32
  2. 4096
  3. 256
  4. 100
Show the answer

Answer: C. 256

The correct answer is “256”. Weight = 16^2 = 256.

Q2. Which of the following is a main function of an operating system?

  1. editing photographs
  2. compiling C++ programs
  3. security and access control
  4. playing music files
Show the answer

Answer: C. security and access control

The OS manages processes, memory, files, devices and security, and provides a user interface.

Q3. Linear search for 98 in [81, 91, 98, 71, 96, 26, 41, 39, 24] makes how many comparisons?

  1. 3
  2. 9
  3. 2
  4. 4
Show the answer

Answer: A. 3

Compare from the start; 98 is at position 3.

Q4. The three core front-end technologies are:

  1. Python, SQL and C++
  2. HTML, CSS and JavaScript
  3. PHP, MySQL and Java
  4. HTML, SQL and Excel
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Answer: B. HTML, CSS and JavaScript

The correct answer is “HTML, CSS and JavaScript”. Browser technologies.

Q5. Which database term means a single category of data stored for every record?

  1. field (column)
  2. primary key
  3. relational database
  4. E-R diagram
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Answer: A. field (column)

Field (column): a single category of data stored for every record.

Q6. Summarizing long documents is an application of AI in:

  1. speech recognition
  2. computer vision
  3. natural language processing
  4. robotics
Show the answer

Answer: C. natural language processing

Summarizing long documents: natural language processing.

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