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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

22 Questions Subject Test
Subject Preparation Guide

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1
Hard fpsc Uploaded: 13 Aug 2026

Which SQL command is used to retrieve data?

  • A INSERT
  • B DELETE
  • C SELECT
  • D UPDATE
2
Hard fpsc Uploaded: 13 Aug 2026

What does OOP stand for?

  • A Object Oriented Programming
  • B Object Output Programming
  • C Ordered Object Programming
  • D Output Oriented Programming
3
Hard fpsc Uploaded: 13 Aug 2026

What does HTTPS use to secure data transmission?

  • A Caching
  • B Encryption
  • C Compression
  • D Indexing
4
Hard fpsc Uploaded: 23 Aug 2026

Which of the following best describes an operating system's multitasking feature?

  • A Running multiple programs simultaneously
  • B Formatting the hard disk
  • C Running only one program at a time
  • D Deleting unused files
5
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
6
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
7
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
8
Hard fpsc Uploaded: 23 Aug 2026

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

  • A JavaScript
  • B Python
  • C PHP
  • D SQL
9
Hard fpsc Uploaded: 13 Aug 2026

Which SQL clause is used to filter records?

  • A WHERE
  • B HAVING
  • C GROUP BY
  • D ORDER BY
10
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
11
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
12
Hard fpsc Uploaded: 13 Aug 2026

How many bits are there in a nibble?

  • A 2
  • B 4
  • C 16
  • D 8
13
Hard fpsc Uploaded: 13 Aug 2026

What is the decimal equivalent of hexadecimal A?

  • A 9
  • B 10
  • C 11
  • D 12
14
Hard fpsc Uploaded: 23 Aug 2026

What is the purpose of software updates?

  • A To fix bugs and improve security
  • B To slow down the computer
  • C To disconnect from networks
  • D To delete user data
15
Hard css fpsc Uploaded: 07 Aug 2026

What is the primary function of DHCP in networking?

  • A Automatically assign IP addresses to devices
  • B Compress data packets
  • C Encrypt network traffic
  • D Block unauthorized websites
16
Hard fpsc Uploaded: 13 Aug 2026

Which of the following is an advantage of using pseudocode before coding?

  • A It runs directly on hardware
  • B It helps plan program logic clearly before implementation
  • C It compiles faster than real code
  • D It replaces the need for testing
17
Hard fpsc Uploaded: 13 Aug 2026

Which function in Excel is used to sum a range of cells?

  • A COUNT
  • B MAX
  • C AVERAGE
  • D SUM
18
Hard fpsc Uploaded: 13 Aug 2026

Which of these is considered strong password practice?

  • A Using birth date
  • B Sharing password with friends
  • C Using the same password everywhere
  • D Using a mix of letters, numbers, and symbols
19
Hard fpsc Uploaded: 13 Aug 2026

What is the purpose of a web server?

  • A Manage hardware only
  • B Serve web pages and content to clients over the internet
  • C Design graphics
  • D Store user passwords only
20
Hard fpsc Uploaded: 13 Aug 2026

Which SQL command is used to remove a table completely?

  • A DELETE
  • B TRUNCATE
  • C REMOVE
  • D DROP
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