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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

140 Questions Subject Test
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Filter: All Exams css pms fpsc ppsc nts | All Easy Medium Hard
1
Medium ppsc Uploaded: 09 Aug 2026

Who is considered the founder of the World Wide Web?

  • A Mark Zuckerberg
  • B Bill Gates
  • C Steve Jobs
  • D Tim Berners-Lee
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2
Medium ppsc Uploaded: 13 Aug 2026

What is the full form of CPU clock speed unit MHz?

  • A Megahertz
  • B Megabytes
  • C Milliohms
  • D Megahours
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3
Medium ppsc Uploaded: 13 Aug 2026

ASCII stands for?

  • A American Standard Code for Information Interchange
  • B American System Code for Information Interchange
  • C American Standard Coding for International Interchange
  • D Advanced Standard Code for Information Interchange
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4
Easy ppsc nts Uploaded: 20 Jun 2026

What is the intersection of a row and a column in Excel called?

  • A Workbook
  • B Worksheet
  • C Cell
  • D Range
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5
Easy ppsc Uploaded: 13 Aug 2026

Which of these is an input device?

  • A Monitor
  • B Speaker
  • C Scanner
  • D Printer
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6
Easy ppsc Uploaded: 23 Aug 2026

Which of the following is an example of an assistive technology in computing?

  • A Spreadsheet software
  • B Web browser
  • C Screen reader
  • D Text editor
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7
Easy ppsc Uploaded: 07 Aug 2026

What is the primary function of an operating system's kernel?

  • A Manage system resources and hardware communication
  • B Create spreadsheets
  • C Design graphics
  • D Browse the internet
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8
Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

What does "GPT" stand for in ChatGPT?

  • A Global Prediction Technique
  • B Generative Pre-trained Transforme
  • C General Processing Tool
  • D Graphical Pattern Tracke
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9
Hard ppsc Uploaded: 23 Aug 2026

What is the term for unwanted repetitive email messages?

  • A Cache
  • B Cookies
  • C Spam
  • D Malware
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10
Easy ppsc nts Uploaded: 20 Jun 2026

Which command is used to add new records to a database table?

  • A UPDATE
  • B SELECT
  • C INSERT
  • D ALTER
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11
Medium ppsc Uploaded: 23 Aug 2026

Which data structure follows the LIFO principle?

  • A Queue
  • B Array
  • C Stack
  • D Linked List
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12
Easy ppsc nts Uploaded: 20 Jun 2026

What does BIOS stand for?

  • A Basic Input Output System
  • B Binary Input Operating System
  • C Basic Integrated Operating Software
  • D Built-In Output System
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13
Medium ppsc Uploaded: 09 Aug 2026

What is the full form of 'JPEG'?

  • A Joint Picture Export Group
  • B Java Photo Expert Group
  • C Joint Photographic Experts Group
  • D Java Picture Experts Group
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14
Medium pms ppsc Uploaded: 07 Aug 2026

Which of the following best describes 'Big Data'?

  • A A programming language
  • B A small database table
  • C Extremely large and complex data sets
  • D A type of computer virus
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15
Medium fpsc ppsc Uploaded: 20 Jun 2026

What is the primary purpose of RAID technology?

  • A Increase screen resolution
  • B Improve storage performance and reliability
  • C Enhance processor speed
  • D Manage network traffic
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16
Easy ppsc Uploaded: 13 Aug 2026

What is a database?

  • A A type of hardware
  • B An organized collection of data
  • C A programming language
  • D A network protocol
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17
Hard ppsc Uploaded: 23 Aug 2026

What does CAPTCHA stand for functionally?

  • A A test to distinguish humans from bots
  • B A programming language
  • C A type of firewall
  • D A database key
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18
Medium ppsc Uploaded: 23 Aug 2026

Which number system uses only 0 and 1?

  • A Hexadecimal
  • B Octal
  • C Decimal
  • D Binary
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19
Medium ppsc Uploaded: 09 Aug 2026

Which of the following is a type of computer network attack?

  • A Encryption
  • B Antivirus
  • C Firewall
  • D Phishing
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20
Medium ppsc Uploaded: 13 Aug 2026

What is version control used for?

  • A Compiling programs
  • B Formatting code
  • C Designing interfaces
  • D Tracking and managing changes to code over time
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