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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

49 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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1
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
2
Easy ppsc Uploaded: 13 Aug 2026

Which of these is an input device?

  • A Monitor
  • B Speaker
  • C Scanner
  • D Printer
3
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
4
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
5
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
6
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
7
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
8
Easy ppsc Uploaded: 07 Aug 2026

Which of the following is an input device?

  • A Monitor
  • B Printer
  • C Speaker
  • D Keyboard
9
Easy fpsc ppsc nts Uploaded: 18 Jun 2026

What does RAM stand for?

  • A Random Access Memory
  • B Read Access Memory
  • C Rapid Access Memory
  • D Random Application Memory
10
Easy ppsc Uploaded: 13 Aug 2026

What does USB stand for?

  • A Universal Serial Bus
  • B United System Bus
  • C United Serial Bus
  • D Universal System Bus
11
Easy ppsc Uploaded: 07 Aug 2026

What is the time complexity of binary search on a sorted array?

  • A O(log n)
  • B O(1)
  • C O(n)
  • D O(n^2)
12
Easy ppsc nts Uploaded: 20 Jun 2026

Which SQL command is used to retrieve data from a database?

  • A INSERT
  • B UPDATE
  • C SELECT
  • D DELETE
13
Easy ppsc nts Uploaded: 20 Jun 2026

Which Excel feature is used to display only records matching specific criteria?

  • A Sort
  • B Filter
  • C Freeze Panes
  • D Conditional Formatting
14
Easy ppsc nts Uploaded: 20 Jun 2026

What is the default file extension of a Microsoft Word document in modern versions?

  • A .doc
  • B .txt
  • C .docx
  • D .rtf
15
Easy ppsc Uploaded: 13 Aug 2026

What is debugging?

  • A Finding and fixing errors in code
  • B Designing a database
  • C Compiling a program
  • D Writing new code
16
Easy ppsc Uploaded: 09 Aug 2026

What does 'malware' refer to?

  • A Networking protocol
  • B Hardware component
  • C Beneficial software
  • D Malicious software designed to harm systems
17
Easy ppsc Uploaded: 09 Aug 2026

Which of these is an example of an operating system?

  • A Linux
  • B Excel
  • C MS Word
  • D Photoshop
18
Easy ppsc nts Uploaded: 20 Jun 2026

Which software is used to create spreadsheets?

  • A PowerPoint
  • B Excel
  • C Access
  • D Outlook
19
Easy ppsc nts Uploaded: 20 Jun 2026

What is a workbook in Microsoft Excel?

  • A A single cell
  • B A chart
  • C A collection of worksheets
  • D A formula
20
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
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