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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

76 Questions
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21
Medium fpsc nts

Which Excel function counts non-empty cells?

  • A COUNT()
  • B COUNTA()
  • C COUNTIF()
  • D SUM()
Permalink
Correct Answer: Option B — COUNTA()
Explanation: COUNTA counts all non-empty cells including text, numbers, and logical values. It is useful when determining how many cells contain data regardless of data type.
Submitted by: PaperMCQs
22
Easy ppsc nts

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
Permalink
Correct Answer: Option A — Basic Input Output System
Explanation: BIOS is firmware stored on a motherboard that initializes hardware during startup and loads the operating system. It performs essential checks and configuration tasks before handing control to the operating system.
Submitted by: PaperMCQs
23
Easy ppsc nts

Which search engine was founded by Larry Page and Sergey Brin?

  • A Yahoo
  • B Bing
  • C Google
  • D DuckDuckGo
Permalink
Correct Answer: Option C — Google
Explanation: Google was founded by Larry Page and Sergey Brin and became the world's leading search engine.
Submitted by: PaperMCQs
24
Easy ppsc nts

Which software is used to create spreadsheets?

  • A PowerPoint
  • B Excel
  • C Access
  • D Outlook
Permalink
Correct Answer: Option B — Excel
Explanation: Microsoft Excel is a spreadsheet application used for calculations and data analysis.
Submitted by: PaperMCQs
25
Easy fpsc nts

What is the full form of VPN?

  • A Virtual Private Network
  • B Verified Public Network
  • C Virtual Program Node
  • D Visual Private Node
Permalink
Correct Answer: Option A — Virtual Private Network
Explanation: A VPN creates an encrypted connection over public networks to improve privacy.
Submitted by: PaperMCQs
26
Medium fpsc nts

Which protocol is used for receiving email in modern systems?

  • A IMAP
  • B SMTP
  • C DNS
  • D FTP
Permalink
Correct Answer: Option A — IMAP
Explanation: IMAP allows users to access and manage email directly on the server across devices.
Submitted by: PaperMCQs
27
Easy nts

Which Excel function returns the smallest value in a range?

  • A MAX()
  • B MIN()
  • C LOW()
  • D SMALL()
Permalink
Correct Answer: Option B — MIN()
Explanation: MIN() returns the lowest numeric value from a selected range.
Submitted by: PaperMCQs
28
Easy ppsc nts

What is the purpose of antivirus software?

  • A Create backups
  • B Design websites
  • C Detect and remove malicious software
  • D Manage databases
Permalink
Correct Answer: Option C — Detect and remove malicious software
Explanation: Antivirus software scans systems for malware and helps protect computers from threats.
Submitted by: PaperMCQs
29
Easy fpsc nts

What is an IP address?

  • A Database key
  • B Unique network identifier
  • C Programming variable
  • D File format
Permalink
Correct Answer: Option B — Unique network identifier
Explanation: An IP address uniquely identifies a device on a network and enables communication.
Submitted by: PaperMCQs
30
Easy nts

Which file format is commonly used for presentations?

  • A .xlsx
  • B .pptx
  • C .accdb
  • D .csv
Permalink
Correct Answer: Option B — .pptx
Explanation: The .pptx format is the default file type for Microsoft PowerPoint presentations.
Submitted by: PaperMCQs
31
Easy fpsc nts

What is phishing?

  • A Programming method
  • B Data backup
  • C Fraudulent attempt to steal information
  • D Network topology
Permalink
Correct Answer: Option C — Fraudulent attempt to steal information
Explanation: Phishing attacks trick users into revealing passwords and sensitive information through fake messages or websites.
Submitted by: PaperMCQs
32
Medium fpsc nts

Which SQL command modifies existing records?

  • A INSERT
  • B DELETE
  • C UPDATE
  • D SELECT
Permalink
Correct Answer: Option C — UPDATE
Explanation: The UPDATE statement changes existing records in a database table according to specified conditions.
Submitted by: PaperMCQs
33
Easy ppsc nts

What is cloud storage?

  • A Local disk storage
  • B Storage accessible via the internet
  • C RAM allocation
  • D CPU cache
Permalink
Correct Answer: Option B — Storage accessible via the internet
Explanation: Cloud storage allows users to store and access files over the internet using remote servers.
Submitted by: PaperMCQs
34
Easy nts

Which key combination cuts selected content?

  • A Ctrl+C
  • B Ctrl+V
  • C Ctrl+X
  • D Ctrl+Z
Permalink
Correct Answer: Option C — Ctrl+X
Explanation: Ctrl+X removes selected content and places it on the clipboard, allowing it to be pasted elsewhere.
Submitted by: PaperMCQs
35
Easy fpsc nts

What is malware?

  • A Network cable
  • B Malicious software
  • C Database table
  • D Operating system
Permalink
Correct Answer: Option B — Malicious software
Explanation: Malware refers to software intentionally designed to damage, disrupt, steal data from, or gain unauthorized access to systems.
Submitted by: PaperMCQs
36
Easy nts

Which network device broadcasts data to all ports?

  • A Router
  • B Switch
  • C Hub
  • D Gateway
Permalink
Correct Answer: Option C — Hub
Explanation: A hub sends incoming data to all connected ports without filtering, making it less efficient and secure than a switch.
Submitted by: PaperMCQs
37
Medium fpsc nts

What is the purpose of a checksum?

  • A Compress data
  • B Verify data integrity
  • C Increase speed
  • D Encrypt files
Permalink
Correct Answer: Option B — Verify data integrity
Explanation: A checksum helps detect accidental changes in data during storage or transmission by comparing calculated values before and after transfer.
Submitted by: PaperMCQs
38
Easy ppsc nts

What does GUI stand for?

  • A General User Interface
  • B Graphical User Interface
  • C Graphic Utility Integration
  • D Global User Internet
Permalink
Correct Answer: Option B — Graphical User Interface
Explanation: A Graphical User Interface allows users to interact with computers using windows, icons, menus, and pointers instead of text commands, improving usability and accessibility.
Submitted by: PaperMCQs
39
Easy nts

Which PowerPoint feature allows visual movement effects?

  • A Transitions
  • B Animations
  • C Themes
  • D Layouts
Permalink
Correct Answer: Option B — Animations
Explanation: Animations add movement and emphasis effects to text, images, and objects within slides.
Submitted by: PaperMCQs
40
Medium ppsc nts

What is Freeze Panes used for?

  • A Lock worksheet
  • B Keep rows or columns visible
  • C Protect workbook
  • D Hide formulas
Permalink
Correct Answer: Option B — Keep rows or columns visible
Explanation: Freeze Panes keeps selected rows or columns visible while scrolling through large worksheets.
Submitted by: PaperMCQs
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