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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

601 Questions Subject Test
Subject Preparation Guide

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Strengthen your knowledge of computer fundamentals, hardware, software, programming, networks, databases and information technology.

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161
Medium fpsc Uploaded: 23 Aug 2026

What is the function of Wi-Fi?

  • A To manage databases
  • B To provide wireless internet connectivity
  • C To store files
  • D To compile code
162
Easy ppsc nts Uploaded: 20 Jun 2026

What is the purpose of antivirus software?

  • A Create backups
  • B Design websites
  • C Detect and remove malicious software
  • D Manage databases
163
Easy pms ppsc Uploaded: 09 Aug 2026

What does 'CSS' stand for in web development?

  • A Cascading Style Sheets
  • B Creative Style Sheets
  • C Computer Style Sheets
  • D Cascading Structure Sheets
164
Hard ppsc Uploaded: 13 Aug 2026

What is freeware?

  • A Software available for free use
  • B Malicious software
  • C Software with a mandatory license fee
  • D A hardware component
165
Easy pms Uploaded: 07 Aug 2026

What is the purpose of the 'GROUP BY' clause in SQL?

  • A Create a new table
  • B Sort data alphabetically
  • C Delete duplicate rows
  • D Group rows sharing a property for aggregate functions
166
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Which memory type is most commonly used to store firmware in embedded systems?

  • A RAM
  • B Virtual Memory
  • C Cache Memory
  • D ROM
167
Easy fpsc Uploaded: 23 Aug 2026

Which key combination is used to paste text in Windows?

  • A Ctrl+A
  • B Ctrl+V
  • C Ctrl+C
  • D Ctrl+X
168
Hard css fpsc Uploaded: 20 Jun 2026

Which algorithm is commonly used to find the shortest path in a weighted graph?

  • A Bubble Sort
  • B Dijkstra's Algorithm
  • C Binary Search
  • D Depth First Search
169
Hard ppsc Uploaded: 13 Aug 2026

Which company developed the iOS operating system?

  • A Google
  • B Samsung
  • C Apple
  • D Microsoft
170
Medium ppsc Uploaded: 23 Aug 2026

Which of the following is an example of a relational database management system?

  • A Oracle Database
  • B Cassandra
  • C MongoDB
  • D Redis
171
Hard nts Uploaded: 13 Aug 2026

What is the function of a subnet mask?

  • A Compile source code
  • B Divide an IP network into smaller sub-networks
  • C Store website data
  • D Encrypt network traffic
172
Hard ppsc Uploaded: 07 Aug 2026

What does WWW stand for?

  • A World Wide Wire
  • B Wide World Web
  • C World Wide Web
  • D World Web Wide
173
Medium ppsc Uploaded: 09 Aug 2026

Which of the following is used to store a website's files and make it accessible online?

  • A Modem
  • B Switch
  • C Router
  • D Web Server
174
Easy css Uploaded: 13 Aug 2026

What is multitasking in an OS?

  • A Running one program at a time
  • B Formatting multiple disks
  • C Deleting multiple files
  • D Running multiple programs simultaneously
175
Medium ppsc Uploaded: 23 Aug 2026

Which of the following is a cloud storage service?

  • A Calculator
  • B MS Paint
  • C Google Drive
  • D Notepad
176
Easy ppsc nts Uploaded: 18 Jun 2026

Which of the following is NOT an operating system?

  • A Windows 11
  • B Ubuntu Linux
  • C Microsoft Word
  • D macOS Ventura
177
Medium fpsc ppsc Uploaded: 20 Jun 2026

Which Excel feature applies formatting based on rules?

  • A Themes
  • B Conditional Formatting
  • C AutoFilter
  • D Freeze Panes
178
Easy pms Uploaded: 09 Aug 2026

Which of the following is a high-level programming language?

  • A Assembly
  • B Python
  • C Machine Code
  • D Binary
179
Hard fpsc Uploaded: 13 Aug 2026

What is a cookie in web browsing?

  • A A type of malware
  • B A small piece of data stored by a website on a user's browser
  • C A programming language
  • D A hardware device
180
Medium fpsc Uploaded: 07 Aug 2026

Which of the following best defines an algorithm?

  • A A type of hardware
  • B A programming language
  • C A step-by-step procedure to solve a problem
  • D A database structure
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