Computer GK : Top 100 Computer General Knowledge Questions | Free PDF
Last Updated: 1 Aug 2026 | By Data Digest
рдХреНрдпрд╛ рдЖрдк рдЬрд╛рдирддреЗ рд╣реИрдВ? 2026 рдореЗрдВ SSC, Banking, Railway рдФрд░ TET exams рдореЗрдВ Computer Section рд╕реЗ 15-20 Questions рд╕рдмрд╕реЗ рдЖрд╕рд╛рдиреА рд╕реЗ score рдХрд┐рдП рдЬрд╛ рд╕рдХрддреЗ рд╣реИрдВред рдмрд╕ рдЬрд░реВрд░рдд рд╣реИ рд╕рд╣реА Computer GK рдХреА practice рдХреАред
рдЗрд╕ рдкреЛрд╕реНрдЯ рдореЗрдВ рд╣рдордиреЗ Top 100 Computer GK Questions with Answers рдХреЛ 6 рднрд╛рдЧреЛрдВ рдореЗрдВ рдмрд╛рдБрдЯрд╛ рд╣реИред Computer GK for SSC, Banking, Railway рд╕рднреА exams рдХреЗ рд▓рд┐рдП PYQ Based Computer GK 2026 рд╣реИред рд╣рд░ question рдХреЗ рд╕рд╛рде Previous Year Exam Name рджрд┐рдпрд╛ рд╣реИ + рдЕрдВрдд рдореЗрдВ Free PDF Downloadред
тЪб Quick Summary: Computer GK Data Table 2026
| Topic | Questions | Exam Importance 2026 |
|---|---|---|
| Computer Fundamentals | 20 | CPU, Generations, Father of Computer |
| Hardware & I/O Devices | 20 | Input/Output, Printer, Port Types |
| Memory & Storage | 15 | RAM, ROM, HDD, SSD, Units |
| OS & Software | 15 | Windows, Linux, Compiler, Antivirus |
| Networking & Internet | 15 | HTTP, DNS, Firewall, Cyber Security |
| MS Office & Shortcuts | 15 | Excel, Word, Ctrl Keys |
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ЁЯТ╗ Part 1: Computer Fundamentals & Generations – 20 Q
- Q1. Computer рдХрд╛ “brain” рдХрд┐рд╕реЗ рдХрд╣рд╛ рдЬрд╛рддрд╛ рд╣реИ?
Answer: CPU – Central Processing Unit
Exam: SSC CGL 2022 - Q2. Computer рдХреЗ Father рдХреМрди рд╣реИрдВ?
Answer: Charles Babbage
Exam: UP TET 2023 - Q3. First Generation Computers рдореЗрдВ рдХреМрди рд╕рд╛ component use рд╣реБрдЖ?
Answer: Vacuum Tubes
Exam: UPSC CDS 2020 - Q4. ALU рдХрд╛ full form рдХреНрдпрд╛ рд╣реИ?
Answer: Arithmetic Logic Unit
Exam: RRB NTPC 2021 - Q5. ENIAC рдХреЛ рдХрд┐рд╕рдиреЗ рдмрдирд╛рдпрд╛?
Answer: J. Presper Eckert & John Mauchly
Exam: SSC CHSL 2019 - Q6. рджреБрдирд┐рдпрд╛ рдХрд╛ рдкрд╣рд▓рд╛ Commercial Computer?
Answer: UNIVAC I (Universal Automatic Computer I)
Exam: SBI Clerk 2018 - Q7. ICs рдХрд┐рд╕ Generation рдореЗрдВ рдЖрдП?
Answer: Third Generation
Exam: IBPS Clerk 2020 - Q8. рднрд╛рд░рдд рдХрд╛ рдкрд╣рд▓рд╛ Supercomputer?
Answer: PARAM 8000
Exam: UPSC CSE 2015 - Q9. 1st Gen рдореЗрдВ рдХреМрди рд╕реА language use рд╣реЛрддреА рдереА?
Answer: Machine Language
Exam: SSC MTS 2021 - Q10. VLSI рдХрд╛ full form?
Answer: Very Large Scale Integration
Exam: RRB JE 2019 - Q11. Computer рдХреЗ operations рдХреЛ рдХреМрди control рдХрд░рддрд╛ рд╣реИ?
Answer: Control Unit
Exam: IBPS PO 2022 - Q12. Computer рдХреЗ physical parts рдХреЛ рдХреНрдпрд╛ рдХрд╣рддреЗ рд╣реИрдВ?
Answer: Hardware
Exam: MP TET 2021 - Q13. рд╕рдмрд╕реЗ fast computer рдХреМрди рд╕рд╛ рд╣реИ?
Answer: LineShine (China) (Note: June 2026 se pehle USA ka El Capitan aur Frontier tez the)
Exam: SSC CGL 2020 - Q14. рдмрдбрд╝реЗ organizations рдореЗрдВ bulk data processing рдХреЗ рд▓рд┐рдП?
Answer: Mainframe Computer
Exam: SBI PO 2019 - Q15. рджреБрдирд┐рдпрд╛ рдХреА рдкрд╣рд▓реА Programmer?
Answer: Ada Lovelace
Exam: UPSC EPFO 2021 - Q16. IC рдХрд┐рд╕ material рд╕реЗ рдмрдирддрд╛ рд╣реИ?
Answer: Silicon
Exam: SSC GD 2022 - Q17. BIOS рдХрд╛ full form?
Answer: Basic Input Output System
Exam: CTET 2022 - Q18. BIOS рдХрд╣рд╛рдБ store рд╣реЛрддрд╛ рд╣реИ?
Answer: ROM Chip
Exam: IBPS PO 2020 - Q19. Computer start/restart рдХрд░рдиреЗ рдХреА process?
Answer: Booting
Exam: RRB Group D 2022 - Q20. 5th Generation рдХрд┐рд╕рдХреЗ рд▓рд┐рдП famous рд╣реИ?
Answer: Artificial Intelligence & ULSI, Bio-chips aur Quantum Computing
Exam: IBPS Clerk 2022
тМия╕П Part 2: Hardware & I/O Devices – 20 Q
- Q21. Pure Input Device рдХреМрди рд╕рд╛ рд╣реИ?
Answer: Keyboard
Exam: SSC MTS 2022 - Q22. Printed text рдХреЛ digital рдореЗрдВ рдХреМрди convert рдХрд░рддрд╛ рд╣реИ?
Answer: Scanner
Exam: IBPS Clerk 2021 - Q23. OCR рдХрд╛ full form?
Answer: Optical Character Recognition
Exam: RRB NTPC 2021 - Q24. Gaming рдХреЗ рд▓рд┐рдП рдХреМрди рд╕рд╛ device use рд╣реЛрддрд╛ рд╣реИ?
Answer: Joystick
Exam: Delhi Police 2020 - Q25. Monitor рдХрд┐рд╕ type рдХрд╛ device рд╣реИ?
Answer: Output Device
Exam: UP TET 2022 - Q26. Ribbon рд╡рд╛рд▓реЗ printer рдХреЛ рдХреНрдпрд╛ рдХрд╣рддреЗ рд╣реИрдВ?
Answer: Impact Printer
Exam: SSC CHSL 2020 - Q27. Inkjet printer рдХрд┐рд╕ category рдореЗрдВ рдЖрддрд╛ рд╣реИ?
Answer: Non-impact Printer
Exam: IBPS PO 2019 - Q28. Blueprint рдирд┐рдХрд╛рд▓рдиреЗ рдХреЗ рд▓рд┐рдП рдХреМрди рд╕рд╛ device?
Answer: Plotter
Exam: UPSC CDS 2021 - Q29. Cancel рдХрд░рдиреЗ рдХреА key рдХреМрди рд╕реА рд╣реИ?
Answer: Esc Key
Exam: RRB Group D 2022 - Q30. Product рдкрд░ lines scan рдХреМрди рдХрд░рддрд╛ рд╣реИ?
Answer: Barcode Reader
Exam: SSC CGL 2019 - Q31. VGA рдХрд╛ full form?
Answer: Video Graphics Array
Exam: SBI Clerk 2020 - Q32. Keyboard-Mouse рдХреЗ рд▓рд┐рдП common port?
Answer: USB Port / PS/2 Port (Dono yaad rakhna zaroor, modern systems me USB aur purane me PS/2 use hota tha).
Exam: UPSC EPFO 2020 - Q33. HDMI рдХрд╛ full form?
Answer: High-Definition Multimedia Interface
Exam: SSC CGL 2023 - Q34. Bank рдореЗрдВ cheque scan рдХрд░рдиреЗ рд╡рд╛рд▓рд╛ device?
Answer: MICR
Exam: IBPS PO 2021 - Q35. Resolution рдХрд┐рд╕ unit рдореЗрдВ measure рд╣реЛрддреА рд╣реИ?
Answer: DPI
Exam: RRB JE 2019 - Q36. F1-F12 keys рдХреЛ рдХреНрдпрд╛ рдХрд╣рддреЗ рд╣реИрдВ?
Answer: Function Keys
Exam: CTET 2023 - Q37. Touchscreen рдХрд┐рд╕ type рдХрд╛ device рд╣реИ?
Answer: Input + Output Device
Exam: SSC CHSL 2021 - Q38. LAN connect рдХрд░рдиреЗ рд╡рд╛рд▓рд╛ port?
Answer: RJ-45 Ethernet Port
Exam: IBPS Clerk 2022 - Q39. LED рд╡рд╛рд▓рд╛ mouse рдХреМрди рд╕рд╛ рд╣реЛрддрд╛ рд╣реИ?
Answer: Optical Mouse
Exam: Delhi Police 2022 - Q40. Digital signal ko Analog signal me convert karne ki process kya hai?
Answer: Modulation (Aur agar poore device ka naam poocha jaye, tab Modem sahi hoga, jo Modulation aur Demodulation dono karta hai).
Exam: SSC CGL 2018
ЁЯЧДя╕П Part 3: Memory & Storage – 15 Q
- Q41. Volatile Memory рдХреМрди рд╕реА рд╣реИ?
Answer: RAM
Exam: SSC CGL 2023 - Q42. Permanent Memory рдХреМрди рд╕реА рд╣реИ?
Answer: ROM
Exam: IBPS PO 2021 - Q43. 1 TB = рдХрд┐рддрдиреЗ GB?
Answer: 1024 GB
Exam: SSC CGL 2022 - Q44. CPU рдХреЗ рдЕрдВрджрд░ рд╕рдмрд╕реЗ fast memory?
Answer: Registers
Exam: UPSC CSE 2019 - Q45. CPU рдФрд░ RAM рдХреЗ рдмреАрдЪ рдХреА memory?
Answer: Cache Memory
Exam: UPSC CSE 2018 - Q46. Magnetic Storage Device?
Answer: HDD
Exam: RRB NTPC 2021 - Q47. HDD рдХрд╛ fast alternative?
Answer: SSD
Exam: SBI PO 2022 - Q48. 1 Byte = рдХрд┐рддрдиреЗ Bits?
Answer: 8 Bits
Exam: CTET 2024 - Q49. 4 Bits = 1 ___?
Answer: Nibble
Exam: SSC CHSL 2020 - Q50. EEPROM рдХрд╛ full form?
Answer: Electrically Erasable Programmable Read-Only Memory
Exam: IBPS Clerk 2020 - Q51. 4.7 GB рд╡рд╛рд▓реА CD?
Answer: DVD
Exam: RRB JE 2019 - Q52. 25GB рд╡рд╛рд▓реА Disc?
Answer: Blu-ray Disc
Exam: SSC CGL 2021 - Q53. USB рдореЗрдВ рдХреМрди рд╕реА memory рд╣реЛрддреА рд╣реИ?
Answer: Flash Memory
Exam: UPSC CDS 2023 - Q54. Refresh рд╡рд╛рд▓реА RAM?
Answer: DRAM
Exam: Delhi Police 2023 - Q55. Non-refresh рд╡рд╛рд▓реА RAM?
Answer: SRAM
Exam: SBI Clerk 2021
ЁЯТ┐ Part 4: OS & Software – 15 Q
- Q56. Open Source OS рдХреМрди рд╕рд╛ рд╣реИ?
Answer: Linux
Exam: UPSC CDS 2022 - Q57. Windows рдХрд┐рд╕ type рдХрд╛ Software рд╣реИ?
Answer: System Software
Exam: SSC CGL 2022 - Q58. User рдФрд░ Hardware рдХреЗ рдмреАрдЪ рдХрд╛ Software?
Answer: Operating System
Exam: IBPS PO 2021 - Q59. MS Word рдХрд┐рд╕ type рдХрд╛ Software рд╣реИ?
Answer: Application Software
Exam: UP TET 2022 - Q60. OS рдХрд╛ core part?
Answer: Kernel
Exam: UPSC CSE 2021 - Q61. File zip рдХрд░рдиреЗ рд╡рд╛рд▓рд╛ Software?
Answer:Compression Software / Utility Software (WinRAR/WinZip)
Exam: SSC CHSL 2021 - Q62. Free рдореЗрдВ modify рдХрд░рдиреЗ рд╡рд╛рд▓рд╛ Software?
Answer: Open-Source Software
Exam: RRB NTPC 2021 - Q63. Black screen рд╡рд╛рд▓рд╛ Interface?
Answer: CLI
Exam: Delhi Police 2022 - Q64. GUI рдХрд╛ full form?
Answer: Graphical User Interface
Exam: IBPS Clerk 2020 - Q65. Code рдХреЛ рдПрдХ рд╕рд╛рде convert рдХрд░рдиреЗ рд╡рд╛рд▓рд╛?
Answer: Compiler
Exam: UPSC CDS 2023 - Q66. Line by line convert рдХрд░рдиреЗ рд╡рд╛рд▓рд╛?
Answer: Interpreter
Exam: SSC CGL 2021 - Q67. Hard Disk ki efficiency aur speed badhane ke liye files ko rearrange karne wala tool?
Answer: Disk Defragmenter
Exam: SBI Clerk 2022 - Q68. Free Web Browser?
Answer: Mozilla Firefox
Exam: RRB Group D 2022 - Q69. Trial version рд╡рд╛рд▓рд╛ Software?
Answer: Shareware
Exam: IBPS SO 2022 - Q70. Virus рд╣рдЯрд╛рдиреЗ рд╡рд╛рд▓рд╛ Software?
Answer: Antivirus
Exam: SSC MTS 2021
ЁЯМР Part 5: Networking & Internet – 15 Q
- Q71. HTTP рдХрд╛ full form?
Answer: HyperText Transfer Protocol
Exam: SSC CHSL 2023 - Q72. рд╕рднреА рдХреЛ 1 cable рд╕реЗ рдЬреЛрдбрд╝рдирд╛?
Answer: Bus Topology
Exam: SBI Clerk 2022 - Q73. 2 рдЕрд▓рдЧ Protocol рд╡рд╛рд▓реЗ Network рдЬреЛрдбрд╝рдиреЗ рд╡рд╛рд▓рд╛ device?
Answer:Gateway
Exam: UPSC CDS 2021 - Q74. File server рдкрд░ рднреЗрдЬрдирд╛?
Answer: Uploading
Exam: CTET 2024 - Q75. Email рднреЗрдЬрдиреЗ рдХрд╛ Protocol?
Answer: SMTP
Exam: IBPS Clerk 2023 - Q76. рдХрд┐рд╕реА рдХреА рдкрд╣рдЪрд╛рди рдЫреБрдкрд╛ рдХрд░ рднреЗрдЬреЗ рдЧрдП Fake email рдХреЛ рдХреНрдпрд╛ рдХрд╣рддреЗ рд╣реИрдВ?
Answer: Email Spoofing/Phishing
Exam: SSC CPO 2021 - Q77. IP рдХрд╛ full form?
Answer: Internet Protocol
Exam: RRB NTPC 2022 - Q78. Security рдХреЗ рд▓рд┐рдП use рд╣реЛрдиреЗ рд╡рд╛рд▓рд╛ system?
Answer: Firewall
Exam: UPSC CSE 2020 - Q79. Office рдХрд╛ Network?
Answer: LAN
Exam: SSC CGL 2021 - Q80. рджреБрдирд┐рдпрд╛ рднрд░ рдХрд╛ Network?
Answer: Internet
Exam: MP TET 2022 - Q81. LAN рдореЗрдВ devices рдЬреЛрдбрд╝рдиреЗ рд╡рд╛рд▓рд╛?
Answer: Switch
Exam: IBPS PO 2022 - Q82. Network Card рдХрд╛ permanent address?
Answer: MAC Address
Exam: Delhi Police 2023 - Q83. Domain рдХреЛ IP рдореЗрдВ convert рдХреМрди рдХрд░рддрд╛ рд╣реИ?
Answer: DNS
Exam: UPSC CDS 2022 - Q84. Secure Website рдХрд╛ Protocol?
Answer: HTTPS
Exam: SSC CGL 2023 - Q85. Fake email рд╕реЗ password рдорд╛рдВрдЧрдирд╛?
Answer: Phishing
Exam: SBI PO 2023
ЁЯУК Part 6: MS Office & Shortcuts – 15 Q
- Q86. Permanently delete рдХрд░рдиреЗ рдХреА shortcut?
Answer: Shift + Delete
Exam: Delhi Police 2022 - Q87. Page refresh рдХрд░рдиреЗ рдХреА key?
Answer: F5
Exam: MP TET 2023 - Q88. MS Word рдХреА file extension?
Answer: MS Word (.docx)
Exam: IBPS Clerk 2022 - Q89. Undo рдХрд░рдиреЗ рдХреА shortcut?
Answer: Ctrl + Z
Exam: SSC MTS 2022 - Q90. Excel рдореЗрдВ formula рдХреА рд╢реБрд░реБрдЖрдд?
Answer: =
Exam: SSC CGL 2023 - Q91. Find & Replace рдХреА shortcut?
Answer: Ctrl + H
Exam: SBI Clerk 2021 - Q92. Row рдФрд░ Column рдХрд╛ intersection?
Answer: Cell
Exam: CTET 2023 - Q93. рд╕рдм select рдХрд░рдиреЗ рдХреА shortcut?
Answer: Ctrl + A
Exam: RRB Group D 2022 - Q94. Presentation рдмрдирд╛рдиреЗ рд╡рд╛рд▓рд╛ Software?
Answer: MS PowerPoint
Exam: UP TET 2022 - Q95. Page рдХреЗ рдКрдкрд░ рд╡рд╛рд▓реА line?
Answer: Header
Exam: IBPS PO 2020 - Q96. Copy рдХрд░рдиреЗ рдХреА shortcut?
Answer: Ctrl + C
Exam: SSC CHSL 2021 - Q97. Link insert рдХрд░рдиреЗ рдХреА shortcut?
Answer: Ctrl + K
Exam: UPSC EPFO 2021 - Q98. Excel рдореЗрдВ total Rows?
Answer: 10,48,576
Exam: SSC CGL 2021 - Q99. Line next line рдкрд░ рдЕрдкрдиреЗ рдЖрдк рдЬрд╛рдирд╛?
Answer: Word Wrap
Exam: IBPS Clerk 2020 - Q100. рдирдпрд╛ Document рдЦреЛрд▓рдиреЗ рдХреА shortcut?
Answer: Ctrl + N
Exam: Delhi Police 2022
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