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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

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

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41
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
42
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
43
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
44
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
45
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
46
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
47
Medium css fpsc Uploaded: 20 Jun 2026

What is the purpose of a compiler?

  • A Execute programs directly
  • B Translate source code into machine code
  • C Store data permanently
  • D Manage networks
48
Hard fpsc Uploaded: 13 Aug 2026

What is data redundancy?

  • A Unnecessary duplication of data
  • B Compressed data
  • C Unique data storage
  • D Encrypted data
49
Medium fpsc ppsc Uploaded: 20 Jun 2026

Which scheduling algorithm gives each process a fixed time slice?

  • A FCFS
  • B Round Robin
  • C Shortest Job First
  • D Priority Scheduling
50
Hard fpsc Uploaded: 23 Aug 2026

Which of the following is a client-side scripting language?

  • A JavaScript
  • B Python
  • C PHP
  • D SQL
51
Medium css fpsc Uploaded: 20 Jun 2026

Which cyberattack encrypts files and demands payment?

  • A Spyware
  • B Ransomware
  • C Adware
  • D Trojan
52
Medium fpsc Uploaded: 09 Aug 2026

What is the function of a router?

  • A Print documents
  • B Display images
  • C Connect multiple networks and direct data traffic
  • D Store data
53
Medium css pms fpsc ppsc nts Uploaded: 25 Jun 2026

Which protocol is commonly used to create a secure and encrypted communication channel over the Internet?

  • A HTTPS (SSL/TLS)
  • B FTP
  • C DHCP
  • D Telnet
54
Medium fpsc Uploaded: 23 Aug 2026

Which file extension is used for Microsoft Excel files?

  • A .txt
  • B .pptx
  • C .xlsx
  • D .docx
55
Medium fpsc Uploaded: 07 Aug 2026

Which of the following is an output device?

  • A Monitor
  • B Keyboard
  • C Scanner
  • D Mouse
56
Medium fpsc Uploaded: 09 Aug 2026

Which of the following protocols is used to send emails?

  • A SNMP
  • B SMTP
  • C HTTP
  • D FTP
57
Medium fpsc nts Uploaded: 20 Jun 2026

Which network topology uses a single communication backbone?

  • A Star
  • B Mesh
  • C Bus
  • D Ring
58
Easy fpsc Uploaded: 07 Aug 2026

What is the purpose of an API?

  • A Allow different software applications to communicate
  • B Design graphical interfaces
  • C Store large amounts of data
  • D Increase processor speed
59
Medium css pms fpsc ppsc nts Uploaded: 01 Jul 2026

In Machine Learning, what is a hyperparameter?

  • A A configuration set before training
  • B A learned weight
  • C An output label
  • D A type of dataset
60
Medium fpsc Uploaded: 13 Aug 2026

What is the function of an IP address?

  • A Uniquely identify a device on a network
  • B Manage database tables
  • C Store data permanently
  • D Compile source code
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