Computer Science MCQs online test available on PKMCQs and MCQs forum. FPSC, NTS, PPSC, ETEA, EST, PST, CT, DM, PET, AT, TT, and past exam MCQs.
Online Computer Science MCQs Test – PKMCQs, MCQs Forum:
51. Which of the following is an example of application software?
a) Windows
b) Linux
c) MS Word ✅
d) BIOS
52. Which one is NOT a computer peripheral?
a) Printer
b) Keyboard
c) Hard Disk ✅
d) Mouse
53. Which of the following stores the operating system?
a) RAM
b) Hard Drive ✅
c) Keyboard
d) Monitor
54. Which of the following is NOT a social media platform?
a) Facebook
b) Twitter
c) Instagram
d) MS Excel ✅
55. Which type of memory is used for immediate processing?
a) Hard Disk
b) RAM ✅
c) USB
d) SSD
56. Which company developed Android OS?
a) Microsoft
b) Google ✅
c) Apple
d) IBM
57. What is the full form of URL?
a) Uniform Resource Locator ✅
b) Unified Resource Link
c) Universal Reference Language
d) Unique Reference Link
58. Which of the following is NOT a search engine?
a) Google
b) Yahoo
c) Bing
d) Photoshop ✅
59. Which key combination is used to copy text?
a) Ctrl + X
b) Ctrl + C ✅
c) Ctrl + V
d) Ctrl + Z
60. Which one is a cloud computing service?
a) Dropbox ✅
b) MS Paint
c) Task Manager
d) VLC Media Player
61. Which of the following is used to protect a computer from viruses?
a) Antivirus software ✅
b) Internet browser
c) Word Processor
d) Graphics Card
62. What does IoT stand for?
a) Internet of Things ✅
b) Input Output Technology
c) Internet of Technology
d) Internal Operating Technology
63. Which of the following is a storage device?
a) Keyboard
b) Mouse
c) SSD ✅
d) Monitor
64. Which of the following is an example of cybercrime?
a) Hacking ✅
b) Sending an email
c) Downloading software legally
d) Using an antivirus
65. Which of the following is a logic gate?
a) AND ✅
b) RAM
c) HTTP
d) BIOS
66. Which one is NOT a type of software?
a) System software
b) Application software
c) Utility software
d) Hard disk ✅
67. Which key is used to open the Start menu in Windows?
a) Ctrl
b) Alt
c) Windows key ✅
d) Shift
68. Which of the following is NOT a type of operating system?
a) Windows
b) Linux
c) macOS
d) MS Office ✅
69. Which device is used to scan documents?
a) Printer
b) Scanner ✅
c) Monitor
d) Speaker
70. Which of the following is NOT a mobile app?
a) WhatsApp
b) Instagram
c) Google Drive
d) Notepad ✅
71. What does DNS stand for?
a) Data Network Service
b) Domain Name System ✅
c) Digital Network Security
d) Dynamic Name Service
72. Which of the following is an example of a web server?
a) Apache ✅
b) Google Chrome
c) VLC Media Player
d) Windows
73. Which of the following is an input device?
a) Printer
b) Scanner ✅
c) Speaker
d) Monitor
74. Which programming language is widely used for mobile app development?
a) C++
b) Java ✅
c) Python
d) HTML
75. Which of the following is NOT a web development language?
a) HTML
b) JavaScript
c) CSS
d) Python ✅
76. Which of the following is an output device?
a) Mouse
b) Keyboard
c) Printer ✅
d) RAM
77. Which type of software is used to design graphics?
a) MS Word
b) Adobe Photoshop ✅
c) MS PowerPoint
d) Excel
78. Which part of the CPU performs calculations?
a) Control Unit
b) Memory Unit
c) ALU ✅
d) Register
79. What does GPU stand for?
a) General Processing Unit
b) Graphics Processing Unit ✅
c) Graphic Program Utility
d) General Purpose Unit
80. Which of the following is NOT an antivirus software?
a) Norton
b) Avast
c) Adobe Acrobat ✅
d) McAfee
81. Which network device is used to connect multiple networks?
a) Router ✅
b) Hub
c) Switch
d) Repeater
82. What is the full form of HTTP?
a) Hyper Text Transfer Protocol ✅
b) High Transfer Text Protocol
c) Hyper Tool Transmission Process
d) Hybrid Transmission Technology
83. Which of the following is a type of database?
a) Oracle ✅
b) Windows
c) Linux
d) Photoshop
84. What does CSS stand for?
a) Cascading Style Sheets ✅
b) Central System Storage
c) Computer Style Structure
d) Cyber Secure Software
85. Which of the following is NOT a programming paradigm?
a) Object-Oriented Programming
b) Functional Programming
c) Procedural Programming
d) Hardware Programming ✅
86. Which of the following is an example of cloud computing?
a) Microsoft Word
b) Google Drive ✅
c) VLC Media Player
d) Photoshop
87. Which storage unit is the smallest?
a) Kilobyte
b) Byte
c) Bit ✅
d) Megabyte
88. Which one is NOT an example of an operating system?
a) Windows
b) macOS
c) Linux
d) Google Docs ✅
89. What does AI stand for in computer science?
a) Artificial Information
b) Automated Integration
c) Artificial Intelligence ✅
d) Advanced Input
90. Which of the following is used for encryption?
a) VPN
b) Firewall
c) SSL ✅
d) Router
91. Which protocol is used for secure file transfer?
a) FTP
b) HTTP
c) SFTP ✅
d) IP
92. Which of the following is NOT an e-commerce website?
a) Amazon
b) eBay
c) Facebook ✅
d) AliExpress
93. Which of the following is an example of a NoSQL database?
a) MySQL
b) MongoDB ✅
c) Oracle
d) MS Access
94. Which one is NOT a cybersecurity measure?
a) Firewall
b) Two-factor authentication
c) Using strong passwords
d) Disabling antivirus ✅
95. Which language is used to build Android apps?
a) Python
b) Swift
c) Java ✅
d) PHP
96. What does GUI stand for?
a) General User Integration
b) Graphical User Interface ✅
c) Global User Internet
d) Google Unified Integration
97. Which key is used to undo an action?
a) Ctrl + U
b) Ctrl + Y
c) Ctrl + Z ✅
d) Ctrl + X
98. Which of the following is an example of an IoT device?
a) Smartwatch ✅
b) Desktop Computer
c) Hard Disk
d) USB Drive
99. Which data structure works on the principle of FIFO (First In, First Out)?
a) Stack
b) Queue ✅
c) Linked List
d) Tree
100. What is the default file extension of an Excel spreadsheet?
a) .doc
b) .ppt
c) .xls ✅
d) .txt
