250 Computer Abbreviations with Answer – MCQ Study Guide

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Learning computer abbreviations is essential for students preparing for school exams, ITI, Polytechnic, SSC, RRB and other competitive examinations. Most objective questions in computer papers are based on computer abbreviations with answer, making this topic extremely scoring.

At QuestionPaperHub.com, we provide a curated collection of 250+ Computer Abbreviation MCQs with Answers. These questions cover computer fundamentals, hardware, software, networking, operating systems and modern technologies such as AI, IoT and Cloud Computing.

Why Computer Abbreviations Are Important?

Computer abbreviations reduce complex technical terms into simple short forms. They are widely used in textbooks, operating systems, networking, programming languages and internet terminology. Regular practice of computer abbreviations with answer helps candidates score better in objective exams.

  • ✔ Improves exam speed and accuracy
  • ✔ Strengthens basics of computer knowledge
  • ✔ Useful for competitive and entrance examinations
  • ✔ Ideal for quick revision

Topics Covered

  • Hardware & memory abbreviations (CPU, ALU, RAM, ROM)
  • Networking abbreviations (LAN, WAN, MAN, TCP/IP)
  • Internet abbreviations (WWW, HTTP, FTP, URL)
  • Software & OS abbreviations (OS, GUI, DBMS)
  • Modern technology abbreviations (AI, ML, IoT, VPN)

For additional practice, you may also refer to this external resource:
MCQ on Computer Abbreviations – Testbook

Below you will find MCQs with a Show Answer button. Try to answer each question first, then reveal the answer to self-check.

Computer Abbreviations with Answer – 250 MCQs

1. CPU stands for:
  1. Central Programming Unit
  2. Central Power Unit
  3. Central Processing Unit
  4. Control Processing Unit
Answer: C) Central Processing Unit
2. RAM stands for:
  1. Read Access Memory
  2. Random Access Memory
  3. Read All Memory
  4. Rapid Access Machine
Answer: B) Random Access Memory
3. ROM stands for:
  1. Random Only Memory
  2. Read Output Machine
  3. Read Only Memory
  4. Read Over Memory
Answer: C) Read Only Memory
4. ALU is part of:
  1. RAM
  2. Hard Disk
  3. CPU
  4. Monitor
Answer: C) CPU
5. BIOS stands for:
  1. Basic Integrated OS
  2. Basic Input Output System
  3. Binary Input Output System
  4. Boot Input Output System
Answer: B) Basic Input Output System
6. OS stands for:
  1. Open Software
  2. Output System
  3. Operating System
  4. Online Software
Answer: C) Operating System
7. GUI stands for:
  1. General User Internet
  2. Graphical User Interface
  3. Graphic Uniform Interface
  4. General Utility Interface
Answer: B) Graphical User Interface
8. LAN stands for:
  1. Local Access Network
  2. Long Area Network
  3. Local Area Network
  4. Logical Area Network
Answer: C) Local Area Network
9. WAN stands for:
  1. Wireless Area Network
  2. Wide Area Network
  3. Web Area Network
  4. World Area Network
Answer: B) Wide Area Network
10. MAN stands for:
  1. Main Area Network
  2. Machine Area Network
  3. Metropolitan Area Network
  4. Medium Area Network
Answer: C) Metropolitan Area Network
11. WWW stands for:
  1. Web Wide World
  2. World Wide Web
  3. World Web Wide
  4. Wide Web World
Answer: B) World Wide Web
12. HTTP stands for:
  1. High Transfer Text Protocol
  2. HyperText Transfer Protocol
  3. Hyper Tool Transfer Protocol
  4. Hyperlink Transfer Program
Answer: B) HyperText Transfer Protocol
13. HTTPS stands for:
  1. Secure HTTP
  2. HyperText Transfer Protocol Secure
  3. High Transfer Protocol Secure
  4. HyperText Transmission Secure
Answer: B) HyperText Transfer Protocol Secure
14. URL stands for:
  1. Universal Resource Link
  2. Uniform Resource Locator
  3. Unified Resource Locator
  4. Universal Record Locator
Answer: B) Uniform Resource Locator
15. IP stands for:
  1. Internet Program
  2. Internet Protocol
  3. Internal Program
  4. Internet Path
Answer: B) Internet Protocol
16. ISP stands for:
  1. Internet System Provider
  2. Internet Service Provider
  3. Internal Service Provider
  4. International Software Provider
Answer: B) Internet Service Provider
17. FTP stands for:
  1. Fast Transfer Program
  2. File Transmission Path
  3. File Transfer Protocol
  4. File Transport Program
Answer: C) File Transfer Protocol
18. SMTP is used for:
  1. Receiving email
  2. Storing email
  3. Sending email
  4. Encrypting email
Answer: C) Sending email
19. POP stands for:
  1. Post Office Program
  2. Post Office Protocol
  3. Program Output Protocol
  4. Power Over Protocol
Answer: B) Post Office Protocol
20. DNS stands for:
  1. Data Name System
  2. Domain Name System
  3. Digital Name Service
  4. Domain Network Service
Answer: B) Domain Name System
21. HTML stands for:
  1. High Text Markup Language
  2. HyperText Markup Language
  3. Hyper Transfer Markup Language
  4. Home Tool Markup Language
Answer: B) HyperText Markup Language
22. CSS stands for:
  1. Color Style System
  2. Computer Style Sheet
  3. Cascading Style Sheets
  4. Creative Style Software
Answer: C) Cascading Style Sheets
23. XML stands for:
  1. Extra Markup Language
  2. eXtensible Markup Language
  3. Execute Markup List
  4. Example Markup Language
Answer: B) eXtensible Markup Language
24. SQL stands for:
  1. Simple Query Language
  2. Sequential Query Logic
  3. Structured Query Language
  4. Standard Question Language
Answer: C) Structured Query Language
25. DBMS stands for:
  1. Database Machine Software
  2. Database Management System
  3. Data Backup Management System
  4. Digital Base Management Software
Answer: B) Database Management System
26. RDBMS stands for:
  1. Relational Database Machine System
  2. Relational Database Management System
  3. Relational Data Backup System
  4. Rapid Database Management System
Answer: B) Relational Database Management System
27. PDF stands for:
  1. Personal Data File
  2. Portable Document Format
  3. Public Document File
  4. Printed Document File
Answer: B) Portable Document Format
28. JPEG stands for:
  1. Joint Picture Experts Group
  2. Joint Photographic Experts Group
  3. Java Photo Encode Group
  4. Joint Photo Editors Group
Answer: B) Joint Photographic Experts Group
29. PNG stands for:
  1. Portable New Graphics
  2. Public Network Graphics
  3. Portable Network Graphics
  4. Program Network Graphics
Answer: C) Portable Network Graphics
30. GIF stands for:
  1. Graphic Image File
  2. Graphics Interchange Format
  3. General Image Format
  4. Global Image File
Answer: B) Graphics Interchange Format
31. BMP stands for:
  1. Binary Media Program
  2. Bitmap Image File
  3. Basic Media Picture
  4. Bulk Media Process
Answer: B) Bitmap Image File
32. CSV stands for:
  1. Column Separated Value
  2. Comma Separated Values
  3. Common Separated Value
  4. Central Storage Value
Answer: B) Comma Separated Values
33. USB stands for:
  1. Universal System Bus
  2. Universal Serial Bus
  3. United System Bus
  4. Universal Software Bus
Answer: B) Universal Serial Bus
34. HDD stands for:
  1. Hard Data Drive
  2. Hard Disk Drive
  3. High Data Disk
  4. Hard Disk Device
Answer: B) Hard Disk Drive
35. SSD stands for:
  1. Secure Storage Device
  2. Solid State Drive
  3. System Storage Disk
  4. Software Storage Drive
Answer: B) Solid State Drive
36. CD stands for:
  1. Compact Data
  2. Compact Disc
  3. Computer Disc
  4. Core Disc
Answer: B) Compact Disc
37. DVD stands for:
  1. Digital Video Disk
  2. Digital Versatile Disc
  3. Data Video Disc
  4. Digital Visual Drive
Answer: B) Digital Versatile Disc
38. KB stands for:
  1. Key Byte
  2. Kilobyte
  3. Kernel Byte
  4. Kilo Bit
Answer: B) Kilobyte
39. MB stands for:
  1. Mega Bit
  2. Megabyte
  3. Main Byte
  4. Memory Byte
Answer: B) Megabyte
40. GB stands for:
  1. General Byte
  2. Gigabyte
  3. Global Bit
  4. Giga Bit
Answer: B) Gigabyte
41. TB stands for:
  1. Total Byte
  2. Terabyte
  3. Turbo Bit
  4. Transfer Byte
Answer: B) Terabyte
42. VGA stands for:
  1. Video General Adapter
  2. Video Graphics Array
  3. Visual Graphics Adapter
  4. Video Graphical Array
Answer: B) Video Graphics Array
43. LCD stands for:
  1. Light Color Display
  2. Liquid Crystal Display
  3. Low Cost Display
  4. Liquid Color Device
Answer: B) Liquid Crystal Display
44. LED stands for:
  1. Light Electrical Display
  2. Light Emitting Diode
  3. Low Energy Device
  4. Liquid Emitting Display
Answer: B) Light Emitting Diode
45. CRT stands for:
  1. Crystal Ray Tube
  2. Cathode Ray Tube
  3. Color Ray Terminal
  4. Cathode Raster Tube
Answer: B) Cathode Ray Tube
46. UPS stands for:
  1. Universal Power System
  2. Uninterruptible Power Supply
  3. United Power Source
  4. Uniform Power Supply
Answer: B) Uninterruptible Power Supply
47. POST stands for:
  1. Power On System Test
  2. Power On Self Test
  3. Program On System Test
  4. Power Output System Test
Answer: B) Power On Self Test
48. AI stands for:
  1. Automatic Input
  2. Artificial Intelligence
  3. Advanced Internet
  4. Applied Information
Answer: B) Artificial Intelligence
49. ML stands for:
  1. Machine Logic
  2. Machine Learning
  3. Main Language
  4. Memory Loader
Answer: B) Machine Learning
50. IoT stands for:
  1. Input Output Technology
  2. Internet of Things
  3. Information of Technology
  4. Internal Online Tools
Answer: B) Internet of Things
51. OCR stands for:
  1. Online Character Reader
  2. Optical Character Recognition
  3. Office Code Reader
  4. Optical Code Reader
Answer: B) Optical Character Recognition
52. QR stands for:
  1. Quality Response
  2. Quick Response
  3. Query Response
  4. Quantum Response
Answer: B) Quick Response
53. VPN stands for:
  1. Virtual Public Network
  2. Virtual Private Network
  3. Verified Private Network
  4. Virtual Protection Network
Answer: B) Virtual Private Network
54. SEO stands for:
  1. Search Engine Office
  2. Search Engine Optimization
  3. Software Engine Output
  4. System Engine Operation
Answer: B) Search Engine Optimization
55. CMS stands for:
  1. Content Management Software
  2. Content Management System
  3. Central Management System
  4. Computer Management Setup
Answer: B) Content Management System
56. ERP stands for:
  1. Enterprise Resource Program
  2. Enterprise Resource Planning
  3. Electronic Resource Program
  4. Enterprise Record Processing
Answer: B) Enterprise Resource Planning
57. API stands for:
  1. Application Program Interface
  2. Application Programming Interface
  3. Applied Program Internet
  4. Advanced Program Interface
Answer: B) Application Programming Interface
58. IDE stands for:
  1. Integrated Data Engine
  2. Integrated Development Environment
  3. Internal Development Engine
  4. Interface Development Editor
Answer: B) Integrated Development Environment
59. CLI stands for:
  1. Command Level Interface
  2. Command Line Interface
  3. Control Line Interface
  4. Computer Line Interface
Answer: B) Command Line Interface
60. FAT stands for:
  1. File Allocation Table
  2. File Allocation Table
  3. Fast Access Table
  4. File Access Transfer
Answer: B) File Allocation Table
61. NTFS stands for:
  1. New Technology File System
  2. New Technology File System
  3. Network Transfer File System
  4. Next Transfer File System
Answer: B) New Technology File System
62. ASCII stands for:
  1. American Standard Code for Information Interchange
  2. American Standard Code for Information Interchange
  3. Advanced System Code Interface
  4. American System Character Information
Answer: B) American Standard Code for Information Interchange
63. BPS stands for:
  1. Bits Per Second
  2. Bits Per Second
  3. Bytes Per Second
  4. Bandwidth Per Second
Answer: B) Bits Per Second
64. Mbps stands for:
  1. Mega bytes per second
  2. Megabits per second
  3. Mega blocks per second
  4. Memory bits per second
Answer: B) Megabits per second
65. GHz stands for:
  1. Giga Hertz
  2. Giga Hertz
  3. General Hertz
  4. Graphic Hertz
Answer: B) Giga Hertz
66. NIC stands for:
  1. Network Internet Card
  2. Network Interface Card
  3. Network Input Card
  4. New Interface Card
Answer: B) Network Interface Card
67. MAC stands for:
  1. Memory Access Control
  2. Media Access Control
  3. Machine Access Code
  4. Main Access Controller
Answer: B) Media Access Control
68. DHCP stands for:
  1. Dynamic Host Configuration Protocol
  2. Dynamic Host Configuration Protocol
  3. Digital Host Control Protocol
  4. Data Host Configuration Program
Answer: B) Dynamic Host Configuration Protocol
69. TCP stands for:
  1. Transfer Control Program
  2. Transmission Control Protocol
  3. Transport Connection Protocol
  4. Transfer Communication Process
Answer: B) Transmission Control Protocol
70. UDP stands for:
  1. User Data Program
  2. User Datagram Protocol
  3. Universal Data Protocol
  4. User Direct Protocol
Answer: B) User Datagram Protocol
71. Wi-Fi stands for:
  1. Wireless Fiber
  2. Wireless Fidelity
  3. Wide Fidelity
  4. Wireless File
Answer: B) Wireless Fidelity
72. Bluetooth is a:
  1. Storage device
  2. Wireless communication technology
  3. Software
  4. Operating system
Answer: B) Wireless communication technology
73. SaaS stands for:
  1. Software as a Service
  2. Software as a Service
  3. System as a Software
  4. Service and Software
Answer: A) Software as a Service
74. PaaS stands for:
  1. Platform as a Service
  2. Platform as a Service
  3. Program as a Software
  4. Public as a Service
Answer: A) Platform as a Service
75. IaaS stands for:
  1. Infrastructure as a Service
  2. Infrastructure as a Service
  3. Internet as a Service
  4. Interface as a Software
Answer: A) Infrastructure as a Service
76. ISP provides:
  1. Hardware
  2. Internet connection
  3. Operating system
  4. Virus
Answer: B) Internet connection
77. SMTP works at which layer?
  1. Network
  2. Transport
  3. Application
  4. Data Link
Answer: C) Application
78. PDF was developed by:
  1. Google
  2. Microsoft
  3. Adobe
  4. IBM
Answer: C) Adobe
79. Linux is:
  1. Application software
  2. Operating system
  3. Hardware
  4. Compiler
Answer: B) Operating system
80. DOS stands for:
  1. Disk Output System
  2. Disk Operating System
  3. Data Operating System
  4. Drive Operating System
Answer: B) Disk Operating System
81. GUI is easier than CLI because:
  1. Uses commands
  2. Uses graphics & icons
  3. Needs coding
  4. Needs memory
Answer: B) Uses graphics & icons
82. SQL is used for:
  1. Designing websites
  2. Database operations
  3. Image editing
  4. Networking
Answer: B) Database operations
83. WWW uses which protocol?
  1. FTP
  2. HTTP
  3. SMTP
  4. TCP
Answer: B) HTTP
84. Virus is a:
  1. Hardware fault
  2. Malicious program
  3. Database
  4. Browser
Answer: B) Malicious program
85. Firewall is used for:
  1. Speed
  2. Security
  3. Storage
  4. Display
Answer: B) Security
86. Cache memory is:
  1. Secondary memory
  2. High-speed memory
  3. External memory
  4. Backup memory
Answer: B) High-speed memory
87. Compiler converts:
  1. Machine to source code
  2. Source code to machine code
  3. Machine to assembly
  4. Binary to decimal
Answer: B) Source code to machine code
88. Algorithm is:
  1. Program
  2. Step-by-step procedure
  3. Compiler
  4. Hardware
Answer: B) Step-by-step procedure
89. Booting means:
  1. Shutting down
  2. Restarting only
  3. Starting computer
  4. Formatting disk
Answer: C) Starting computer
90. Antivirus is:
  1. Virus
  2. Hardware
  3. Security software
  4. OS
Answer: C) Security software
91. Spyware is:
  1. Game
  2. Malware
  3. Browser
  4. Email
Answer: B) Malware
92. Trojan is:
  1. Hardware issue
  2. Malware disguised as software
  3. OS update
  4. Firewall
Answer: B) Malware disguised as software
93. Cloud computing means:
  1. Local storage
  2. Internet-based computing
  3. Manual computing
  4. Offline computing
Answer: B) Internet-based computing
94. Backup is:
  1. Virus removal
  2. Copy of data
  3. Data loss
  4. Formatting
Answer: B) Copy of data
95. Formatting removes:
  1. Virus only
  2. All data
  3. OS only
  4. Hardware
Answer: B) All data
96. Android is:
  1. Hardware
  2. Mobile operating system
  3. Browser
  4. Antivirus
Answer: B) Mobile operating system
97. iOS is developed by:
  1. Google
  2. Apple
  3. Microsoft
  4. IBM
Answer: B) Apple
98. MS Word is:
  1. OS
  2. Word processing software
  3. Database
  4. Browser
Answer: B) Word processing software
99. Excel is used for:
  1. Email
  2. Calculations & spreadsheets
  3. Browsing
  4. Gaming
Answer: B) Calculations & spreadsheets
100. PowerPoint is used for:
  1. Browsing
  2. Programming
  3. Presentations
  4. Networking
Answer: C) Presentations
101. CPU frequency is measured in:
  1. MB
  2. GHz
  3. Pixel
  4. Bit
Answer: B) GHz
102. BIOS is stored in:
  1. RAM
  2. Cache
  3. ROM
  4. Hard Disk
Answer: C) ROM
103. GUI first appeared in:
  1. Linux
  2. DOS
  3. Macintosh
  4. Windows XP
Answer: C) Macintosh
104. TCP/IP is related to:
  1. Hardware
  2. Software
  3. Networking
  4. Graphics
Answer: C) Networking
105. ISP provides:
  1. CPU
  2. Software
  3. Internet access
  4. Virus
Answer: C) Internet access
106. HTML files are saved with extension:
  1. .doc
  2. .exe
  3. .html
  4. .css
Answer: C) .html
107. CSS is used for:
  1. Database
  2. Web page design
  3. Networking
  4. Security
Answer: B) Web page design
108. SQL is mainly used in:
  1. Games
  2. Databases
  3. Browsers
  4. Compilers
Answer: B) Databases
109. DBMS helps in:
  1. Virus removal
  2. Data management
  3. Painting
  4. Gaming
Answer: B) Data management
110. RAM is:
  1. Permanent
  2. Volatile
  3. Secondary
  4. External
Answer: B) Volatile
111. ROM is:
  1. Volatile
  2. Non-volatile
  3. Temporary
  4. Cache
Answer: B) Non-volatile
112. SSD is faster than:
  1. Pen Drive
  2. HDD
  3. CD
  4. DVD
Answer: B) HDD
113. Virus affects:
  1. Hardware
  2. Software & data
  3. Monitor
  4. Mouse
Answer: B) Software & data
114. Antivirus is used to:
  1. Create virus
  2. Remove virus
  3. Speed internet
  4. Format disk
Answer: B) Remove virus
115. WWW was invented by:
  1. Bill Gates
  2. Steve Jobs
  3. Tim Berners-Lee
  4. Mark Zuckerberg
Answer: C) Tim Berners-Lee
116. PDF is developed by:
  1. Microsoft
  2. Adobe
  3. IBM
  4. Google
Answer: B) Adobe
117. URL is an address of:
  1. Computer
  2. Website
  3. Virus
  4. Software
Answer: B) Website
118. HTTP works at:
  1. Network Layer
  2. Application Layer
  3. Physical Layer
  4. Data Link
Answer: B) Application Layer
119. SMTP is related to:
  1. Browsing
  2. Email sending
  3. Downloading
  4. Chatting
Answer: B) Email sending
120. POP3 is used for:
  1. Sending mail
  2. Receiving mail
  3. Encryption
  4. Browsing
Answer: B) Receiving mail
121. FTP is used for:
  1. Gaming
  2. File transfer
  3. Security
  4. Printing
Answer: B) File transfer
122. DNS converts:
  1. IP to IP
  2. Domain name to IP
  3. Data to text
  4. Code to binary
Answer: B) Domain name to IP
123. LAN covers:
  1. City
  2. Country
  3. Small area
  4. World
Answer: C) Small area
124. WAN covers:
  1. Home
  2. School
  3. Large area
  4. Room
Answer: C) Large area
125. MAN covers:
  1. Village
  2. City
  3. Home
  4. World
Answer: B) City
126. Wi-Fi uses:
  1. Cable
  2. Radio waves
  3. Fiber only
  4. Bluetooth
Answer: B) Radio waves
127. Bluetooth range is about:
  1. 1 km
  2. 500 m
  3. 10 m
  4. 100 m
Answer: C) 10 m
128. Cache memory is:
  1. Slow
  2. Very fast
  3. External
  4. Offline
Answer: B) Very fast
129. Control Unit is part of:
  1. RAM
  2. HDD
  3. CPU
  4. Monitor
Answer: C) CPU
130. ALU performs:
  1. Storage
  2. Arithmetic & logic
  3. Control
  4. Input
Answer: B) Arithmetic & logic
131. Input device:
  1. Printer
  2. Monitor
  3. Keyboard
  4. Speaker
Answer: C) Keyboard
132. Output device:
  1. Mouse
  2. Printer
  3. Keyboard
  4. Scanner
Answer: B) Printer
133. Scanner is:
  1. Storage
  2. Input device
  3. Output device
  4. Software
Answer: B) Input device
134. Printer is:
  1. Input
  2. Output
  3. Storage
  4. Processing
Answer: B) Output
135. Pen drive is:
  1. Primary memory
  2. Secondary memory
  3. Cache
  4. Register
Answer: B) Secondary memory
136. Byte =:
  1. 4 bits
  2. 8 bits
  3. 16 bits
  4. 32 bits
Answer: B) 8 bits
137. 1 KB =:
  1. 1000 bytes
  2. 1024 bytes
  3. 512 bytes
  4. 2048 bytes
Answer: B) 1024 bytes
138. Software example:
  1. Keyboard
  2. Mouse
  3. MS Word
  4. Monitor
Answer: C) MS Word
139. Hardware example:
  1. Browser
  2. CPU
  3. OS
  4. Compiler
Answer: B) CPU
140. Linux is:
  1. Virus
  2. Open-source OS
  3. Game
  4. Browser
Answer: B) Open-source OS
141. Windows is:
  1. Hardware
  2. Operating system
  3. Compiler
  4. Database
Answer: B) Operating system
142. MS Excel is used for:
  1. Image editing
  2. Calculation
  3. Browsing
  4. Animation
Answer: B) Calculation
143. PowerPoint is for:
  1. Programming
  2. Presentation
  3. Database
  4. Networking
Answer: B) Presentation
144. Browser example:
  1. Linux
  2. Chrome
  3. Windows
  4. DOS
Answer: B) Chrome
145. Search engine example:
  1. Gmail
  2. Google
  3. Chrome
  4. Windows
Answer: B) Google
146. Virus spreads through:
  1. Hardware
  2. Infected files
  3. Monitor
  4. CPU heat
Answer: B) Infected files
147. Firewall provides:
  1. Speed
  2. Security
  3. Storage
  4. RAM
Answer: B) Security
148. Backup means:
  1. Delete data
  2. Copy data
  3. Compress
  4. Virus scan
Answer: B) Copy data
149. Formatting removes:
  1. Virus only
  2. All data
  3. OS only
  4. Hardware
Answer: B) All data
150. Booting means:
  1. Shutdown
  2. Start computer
  3. Sleep
  4. Format
Answer: B) Start computer
151. DOS stands for:
  1. Disk Output System
  2. Disk Operating System
  3. Data OS
  4. Digital OS
Answer: B) Disk Operating System
152. CLI means:
  1. Control Line Interface
  2. Command Line Interface
  3. Computer Line Input
  4. Common Language Interface
Answer: B) Command Line Interface
153. Compiler converts:
  1. Binary to decimal
  2. High-level to machine code
  3. Assembly to text
  4. Code to image
Answer: B) High-level to machine code
154. Algorithm is:
  1. Hardware
  2. Step-by-step solution
  3. Virus
  4. OS
Answer: B) Step-by-step solution
155. Flowchart uses:
  1. Codes
  2. Symbols
  3. Numbers
  4. Files
Answer: B) Symbols
156. GPU stands for:
  1. General Processing Unit
  2. Graphics Performance Utility
  3. Graphics Processing Unit
  4. Global Processing Unit
Answer: C) Graphics Processing Unit
157. UEFI is a replacement for traditional:
  1. RAM
  2. BIOS
  3. CPU
  4. SSD
Answer: B) BIOS
158. UEFI stands for:
  1. Unified Extensible Firmware Interface
  2. Universal External File Interface
  3. Unified Execution Function Interface
  4. Universal Extensible Firmware Instruction
Answer: A) Unified Extensible Firmware Interface
159. GPU is mainly used for:
  1. Network routing
  2. Graphics and video rendering
  3. Hard disk management
  4. Printing tasks
Answer: B) Graphics and video rendering
160. DPI in printers/monitors stands for:
  1. Dots Per Inch
  2. Data Per Input
  3. Devices Per Interface
  4. Display Point Index
Answer: A) Dots Per Inch
161. FHD stands for:
  1. Fast High Definition
  2. Full High Definition
  3. Flexible High Display
  4. Fine High Display
Answer: B) Full High Definition
162. SSDs usually connect using which interface?
  1. VGA
  2. HDMI
  3. SATA / NVMe
  4. RJ-45
Answer: C) SATA / NVMe
163. HDMI stands for:
  1. High Data Media Interface
  2. High Definition Media Interface
  3. Hyper Display Monitor Interface
  4. High Definition Monitor Input
Answer: B) High Definition Media Interface
164. OLED stands for:
  1. Optical Light Emitting Diode
  2. Organic Light Emitting Display
  3. Organic Light Emitting Diode
  4. Optical Liquid Emitting Display
Answer: C) Organic Light Emitting Diode
165. IMAP is related to:
  1. Video streaming
  2. Email retrieval
  3. File compression
  4. Image editing
Answer: B) Email retrieval
166. IMAP stands for:
  1. Internet Mail Access Protocol
  2. Internal Message Access Program
  3. Internet Message Action Protocol
  4. Interactive Mail Application Protocol
Answer: A) Internet Mail Access Protocol
167. SSH is mainly used for:
  1. Sending emails
  2. Secure remote login
  3. Video conferencing
  4. File compression
Answer: B) Secure remote login
168. SSH stands for:
  1. Secure Shell
  2. Safe Server Host
  3. Secure System Hub
  4. Shared Shell Handler
Answer: A) Secure Shell
169. CDN stands for:
  1. Content Delivery Network
  2. Central Data Node
  3. Computer Distribution Network
  4. Control Data Network
Answer: A) Content Delivery Network
170. In web hosting, VPS stands for:
  1. Virtual Private Server
  2. Virtual Public Service
  3. Verified Private Storage
  4. Virtual Protocol System
Answer: A) Virtual Private Server
171. CAPTCHA is mainly used to:
  1. Compress images
  2. Detect human vs bot
  3. Speed up websites
  4. Encrypt passwords
Answer: B) Detect human vs bot
172. CAPTCHA stands for:
  1. Completely Automated Public Turing test to tell Computers and Humans Apart
  2. Central Automated Program To Check Human Activity
  3. Computer Aided Public Test for Human Activity
  4. Certified Automated Public Test for Computer Access
Answer: A) Completely Automated Public Turing test to tell Computers and Humans Apart
173. DNS cache stores:
  1. Website passwords
  2. Visited domain–IP mappings
  3. Browser history text
  4. Downloaded files
Answer: B) Visited domain–IP mappings
174. In storage, RAID is mainly used for:
  1. Improving only graphics
  2. Managing printer queues
  3. Combining disks for redundancy/performance
  4. Compressing text files
Answer: C) Combining disks for redundancy/performance
175. RAID stands for:
  1. Random Access Integrated Disk
  2. Redundant Array of Independent Disks
  3. Rapid Access of Internal Drives
  4. Random Array of Indexed Data
Answer: B) Redundant Array of Independent Disks
176. QR stands for:
  1. Quick Record
  2. Quick Response
  3. Query Result
  4. Quality Rate
Answer: B) Quick Response
177. OCR converts:
  1. Sound to text
  2. Image to text
  3. Video to audio
  4. Code to data
Answer: B) Image to text
178. AI stands for:
  1. Automated Internet
  2. Artificial Intelligence
  3. Advanced Interface
  4. Applied Information
Answer: B) Artificial Intelligence
179. ML stands for:
  1. Main Logic
  2. Machine Learning
  3. Memory Loader
  4. Machine Language
Answer: B) Machine Learning
180. IoT stands for:
  1. Internet of Technology
  2. Internet of Things
  3. Information of Things
  4. Input of Technology
Answer: B) Internet of Things
181. VPN provides:
  1. Speed
  2. Secure connection
  3. Storage
  4. Email
Answer: B) Secure connection
182. SEO is related to:
  1. Hardware
  2. Website ranking
  3. Virus
  4. Programming
Answer: B) Website ranking
183. CMS stands for:
  1. Central Management System
  2. Content Management System
  3. Computer Main Software
  4. Code Management Setup
Answer: B) Content Management System
184. ERP is used in:
  1. Games
  2. Business management
  3. Browsers
  4. Security
Answer: B) Business management
185. API stands for:
  1. Application Program Internet
  2. Application Programming Interface
  3. Applied Program Index
  4. Application Process Interface
Answer: B) Application Programming Interface
186. IDE is used for:
  1. Gaming
  2. Programming
  3. Printing
  4. Networking
Answer: B) Programming
187. FAT stands for:
  1. Fast Access Table
  2. File Allocation Table
  3. File Access Transfer
  4. Format Allocation Tool
Answer: B) File Allocation Table
188. NTFS stands for:
  1. Network Transfer File System
  2. New Technology File System
  3. Next Type File System
  4. New Tech Format System
Answer: B) New Technology File System
189. ASCII stands for:
  1. Advanced Standard Code Interface
  2. American Standard Code for Information Interchange
  3. Automated Code System
  4. Alpha System Code Index
Answer: B) American Standard Code for Information Interchange
190. Mbps means:
  1. Mega bytes per second
  2. Megabits per second
  3. Memory bits per second
  4. Machine bits per second
Answer: B) Megabits per second
191. GHz measures:
  1. Memory
  2. Clock speed
  3. Storage
  4. Data
Answer: B) Clock speed
192. NIC stands for:
  1. Network Input Card
  2. Network Interface Card
  3. Network Internet Chip
  4. New Interface Card
Answer: B) Network Interface Card
193. MAC stands for:
  1. Memory Access Control
  2. Media Access Control
  3. Machine Access Code
  4. Main Access Controller
Answer: B) Media Access Control
194. DHCP assigns:
  1. Emails
  2. IP addresses
  3. Files
  4. Passwords
Answer: B) IP addresses
195. TCP is:
  1. Hardware
  2. Transport protocol
  3. Application
  4. Security
Answer: B) Transport protocol
196. UDP is:
  1. Reliable protocol
  2. Unreliable but fast
  3. Hardware
  4. Software
Answer: B) Unreliable but fast
197. Wi-Fi is:
  1. Cable network
  2. Wireless network
  3. Optical network
  4. Offline network
Answer: B) Wireless network
198. SaaS stands for:
  1. Software as a Service
  2. System as a Software
  3. Software and Service
  4. Storage as a Service
Answer: A) Software as a Service
199. PaaS stands for:
  1. Program as a Service
  2. Platform as a Service
  3. Power as a Service
  4. Process as a Service
Answer: B) Platform as a Service
200. IaaS stands for:
  1. Internet as a Service
  2. Infrastructure as a Service
  3. Input as a Service
  4. Interface as a Service
Answer: B) Infrastructure as a Service
201. Cloud computing is:
  1. Offline computing
  2. Internet-based computing
  3. Manual computing
  4. Local computing
Answer: B) Internet-based computing
202. Malware is:
  1. Hardware
  2. Malicious software
  3. OS
  4. Browser
Answer: B) Malicious software
203. Trojan is:
  1. Antivirus
  2. Disguised malware
  3. Firewall
  4. Browser
Answer: B) Disguised malware
204. Spyware:
  1. Protects data
  2. Steals information
  3. Increases speed
  4. Stores files
Answer: B) Steals information
205. Adware shows:
  1. Errors
  2. Advertisements
  3. Passwords
  4. Games
Answer: B) Advertisements
206. Cache is located:
  1. HDD
  2. RAM
  3. CPU
  4. Pen drive
Answer: C) CPU
207. Register memory is:
  1. Large
  2. Fastest
  3. External
  4. Offline
Answer: B) Fastest
208. Linux uses:
  1. Closed source
  2. Open source
  3. Paid license
  4. No kernel
Answer: B) Open source
209. Kernel is:
  1. Application
  2. Core of OS
  3. Virus
  4. Browser
Answer: B) Core of OS
210. Task Manager shows:
  1. Virus
  2. Running processes
  3. Storage only
  4. BIOS
Answer: B) Running processes
211. Spreadsheet software:
  1. Paint
  2. Excel
  3. Word
  4. Chrome
Answer: B) Excel
212. Word processor:
  1. Excel
  2. MS Word
  3. Access
  4. PowerPoint
Answer: B) MS Word
213. Database software:
  1. Word
  2. MS Access
  3. Paint
  4. Chrome
Answer: B) MS Access
214. Presentation software:
  1. Excel
  2. PowerPoint
  3. Access
  4. DOS
Answer: B) PowerPoint
215. OS example:
  1. Chrome
  2. Windows
  3. Google
  4. PDF
Answer: B) Windows
216. Android is based on:
  1. Windows
  2. Linux
  3. DOS
  4. Mac OS
Answer: B) Linux
217. iOS is used in:
  1. Samsung
  2. Apple devices
  3. Windows phones
  4. Linux PCs
Answer: B) Apple devices
218. Play Store is for:
  1. Emails
  2. Apps
  3. OS updates only
  4. Files
Answer: B) Apps
219. App means:
  1. Hardware
  2. Application
  3. OS
  4. Driver
Answer: B) Application
220. Driver helps OS to:
  1. Browse
  2. Control hardware
  3. Virus scan
  4. Format
Answer: B) Control hardware
221. Plug and Play allows:
  1. Manual setup
  2. Auto device setup
  3. Virus install
  4. Formatting
Answer: B) Auto device setup
222. Backup is important to avoid:
  1. Speed issue
  2. Data loss
  3. Virus creation
  4. Hardware damage
Answer: B) Data loss
223. Restore means:
  1. Delete data
  2. Recover backup
  3. Format disk
  4. Compress
Answer: B) Recover backup
224. Encryption is used for:
  1. Speed
  2. Security
  3. Storage
  4. Display
Answer: B) Security
225. Decryption means:
  1. Lock data
  2. Decode data
  3. Delete data
  4. Hide data
Answer: B) Decode data
226. Pixel relates to:
  1. Sound
  2. Image
  3. Text
  4. Network
Answer: B) Image
227. Resolution measures:
  1. Speed
  2. Image clarity
  3. Power
  4. Storage
Answer: B) Image clarity
228. Multimedia includes:
  1. Text only
  2. Text, audio, video
  3. Numbers only
  4. Code only
Answer: B) Text, audio, video
229. Streaming means:
  1. Download fully
  2. Play online
  3. Copy file
  4. Edit file
Answer: B) Play online
230. Buffer is:
  1. Virus
  2. Temporary storage
  3. OS
  4. Browser
Answer: B) Temporary storage
231. Output of computer is:
  1. Raw data
  2. Information
  3. Program
  4. Virus
Answer: B) Information
232. Data is:
  1. Processed result
  2. Raw facts
  3. Virus
  4. Command
Answer: B) Raw facts
233. Information is:
  1. Raw data
  2. Processed data
  3. Virus
  4. Code
Answer: B) Processed data
234. Bit is:
  1. 8 bytes
  2. Smallest unit
  3. Largest unit
  4. Register
Answer: B) Smallest unit
235. Byte is:
  1. 1 bit
  2. 8 bits
  3. 4 bits
  4. 16 bits
Answer: B) 8 bits
236. Main memory is:
  1. ROM only
  2. RAM
  3. HDD
  4. Cache
Answer: B) RAM
237. Secondary memory:
  1. RAM
  2. HDD
  3. Register
  4. Cache
Answer: B) HDD
238. Program error is called:
  1. Virus
  2. Bug
  3. OS
  4. Driver
Answer: B) Bug
239. Debugging means:
  1. Writing code
  2. Removing errors
  3. Compiling
  4. Encrypting
Answer: B) Removing errors
240. Source code is:
  1. Machine language
  2. Human-readable code
  3. Binary only
  4. Virus
Answer: B) Human-readable code
241. Machine language uses:
  1. English
  2. Binary
  3. Symbols
  4. Hex only
Answer: B) Binary
242. Assembly language uses:
  1. English
  2. Mnemonics
  3. Binary only
  4. Graphics
Answer: B) Mnemonics
243. High-level language example:
  1. Machine language
  2. Assembly
  3. Python
  4. Binary
Answer: C) Python
244. Interpreter translates:
  1. Whole program
  2. Line by line
  3. Only binary
  4. Hardware
Answer: B) Line by line
245. Compiler translates:
  1. Line by line
  2. Whole program
  3. Only hardware
  4. OS
Answer: B) Whole program
246. Open-source software:
  1. Paid
  2. Free to modify
  3. Virus
  4. Hardware
Answer: B) Free to modify
247. Proprietary software:
  1. Paid & closed
  2. Free
  3. Open source
  4. Virus
Answer: A) Paid & closed
248. Example of open-source OS:
  1. Windows
  2. Linux
  3. MacOS
  4. DOS
Answer: B) Linux
249. Example of proprietary OS:
  1. Linux
  2. Windows
  3. Ubuntu
  4. Fedora
Answer: B) Windows
250. Computer works on:
  1. Guess
  2. Instructions
  3. Errors
  4. Virus
Answer: B) Instructions

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