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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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61
Medium fpsc Uploaded: 13 Aug 2026

Which data type stores true/false values?

  • A Integer
  • B Boolean
  • C Char
  • D Float
62
Hard fpsc Uploaded: 13 Aug 2026

Which SQL clause is used to filter records?

  • A WHERE
  • B HAVING
  • C GROUP BY
  • D ORDER BY
63
Hard fpsc Uploaded: 13 Aug 2026

Which of the following best describes 'e-commerce'?

  • A Buying and selling goods online
  • B A type of programming language
  • C A network protocol
  • D A database system
64
Easy fpsc Uploaded: 09 Aug 2026

Which of the following is used for wireless internet connectivity?

  • A Wi-Fi
  • B USB Cable
  • C HDMI Cable
  • D Ethernet Cable
65
Medium fpsc Uploaded: 07 Aug 2026

Which of the following is a search engine?

  • A Photoshop
  • B Google
  • C Windows
  • D Excel
66
Hard fpsc Uploaded: 13 Aug 2026

What is a primary key in a database?

  • A A duplicate value
  • B A foreign reference
  • C A type of index
  • D A unique identifier for a record
67
Medium css fpsc Uploaded: 20 Jun 2026

Which programming language is primarily used for Android development?

  • A Swift
  • B Kotlin
  • C Ruby
  • D PHP
68
Easy fpsc nts Uploaded: 20 Jun 2026

Which protocol translates domain names into IP addresses?

  • A HTTP
  • B FTP
  • C DNS
  • D SSH
69
Easy fpsc Uploaded: 23 Aug 2026

What is the purpose of a router in a home network?

  • A To store files
  • B To scan documents
  • C To connect a local network to the internet
  • D To print documents
70
Medium fpsc ppsc Uploaded: 20 Jun 2026

Which feature in Excel is used to summarize large datasets?

  • A Spell Check
  • B Pivot Table
  • C WordArt
  • D AutoFill
71
Medium css fpsc Uploaded: 20 Jun 2026

What is a database schema?

  • A Backup file
  • B Structure of a database
  • C Network device
  • D Programming language
72
Hard fpsc Uploaded: 13 Aug 2026

How many bits are there in a nibble?

  • A 2
  • B 4
  • C 16
  • D 8
73
Medium fpsc Uploaded: 23 Aug 2026

What is the shortcut key to select all content?

  • A Ctrl+S
  • B Ctrl+A
  • C Ctrl+F
  • D Ctrl+P
74
Medium css fpsc Uploaded: 20 Jun 2026

Which memory is fastest among the following?

  • A Hard Disk
  • B RAM
  • C Cache Memory
  • D ROM
75
Easy fpsc Uploaded: 13 Aug 2026

Which unit of a computer performs arithmetic and logical operations?

  • A ALU
  • B Memory Unit
  • C Control Unit
  • D Cache
76
Hard fpsc Uploaded: 13 Aug 2026

What is the decimal equivalent of hexadecimal A?

  • A 9
  • B 10
  • C 11
  • D 12
77
Medium css fpsc Uploaded: 18 Jun 2026

Which programming language is known as the "mother of all languages"?

  • A Python
  • B Java
  • C C
  • D FORTRAN
78
Easy fpsc ppsc Uploaded: 20 Jun 2026

Which device is responsible for connecting different networks together?

  • A Switch
  • B Hub
  • C Router
  • D Repeater
79
Easy fpsc Uploaded: 13 Aug 2026

Which of the following represents a kilobyte?

  • A 1024 bits
  • B 1000 bits
  • C 1024 bytes
  • D 1000 bytes
80
Medium css fpsc Uploaded: 20 Jun 2026

What is a Trojan Horse in cybersecurity?

  • A A network cable
  • B A type of malware disguised as legitimate software
  • C A firewall rule
  • D A backup utility
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