Computer GK – Set 7


1) A computer cannot do anything without a - āĻ•āĻŽā§āĻĒāĻŋāωāϟāĻžā§°ā§‡ āĻ•āĻŋāĻšā§° āĻ…āĻŦāĻŋāĻšāύ⧇ āĻāϕ⧋ āϕ⧰āĻŋāĻŦ āĻ¨ā§‹ā§ąāĻžā§°ā§‡ ?


A) Hardware (āĻšāĻžā§°ā§āĻĄā§ąā§‡ā§°) | B) Software (āϚāĻĢā§āĻŸā§ąā§‡ā§°) | C) Programme (āĻĒā§ā§°āĻ—ā§ā§°āĻžāĻŽ) | D) User (āχāωāϜāĻžā§°)


Ans: C) Programme


Explanation: A computer needs a program to perform tasks and process data. : āĻ•āĻŽā§āĻĒāĻŋāωāϟāĻžā§°āĻ• āĻ•āĻžāĻŽ āϕ⧰āĻŋāĻŦāϞ⧈ āĻĒā§ā§°āĻ—ā§ā§°āĻžāĻŽā§° āĻĒā§ā§°āϝāĻŧā§‹āϜāύ āĻšāϝāĻŧāĨ¤


2) Which of the following is not a hardware ? āϤāϞ⧰ āϕ⧋āύāĻŸā§‹ hardware āύāĻšāϝāĻŧ ?


A) Keyboard (āϕ⧀āĻŦā§°ā§āĻĄ) | B) Monitor (āĻŽāύāĻŋāϟ⧰) | C) MS Paint | D) Mouse (āĻŽāĻžāωāĻ›)


Ans: C) MS Paint
Explanation: MS Paint is software, not a physical device. : MS Paint āĻāϟāĻž software, āχ physical device āύāĻšāϝāĻŧāĨ¤


3) The command to reboot a computer is - āĻ•āĻŽā§āĻĒāĻŋāωāϟāĻžā§° restart āϕ⧰āĻŋāĻŦāϞ⧈ command āĻ•āĻŋ ?


A) Ctrl + C | B) Ctrl + Alt + Del | C) Ctrl + S | D) Alt + F4


Ans: B) Ctrl + Alt + Del
Explanation: It opens system options to restart or manage tasks. : āĻāχāĻŸā§‹ system option āĻ–ā§‹āϞ⧇, restart āϕ⧰āĻŋāĻŦ āĻĒāĻžā§°āĻŋāĨ¤


4) Keys labelled F1 to F12 are - F1ā§° āĻĒā§°āĻž F12 āϞ⧈ keysāĻŦā§‹ā§° āĻ•āĻŋ ?


A) Numeric Keys (āϏāĻ‚āĻ–ā§āϝāĻž keys) | B) Function Keys (āĻĢāĻžāĻ‚āϚāύ keys) | C) Arrow Keys | D) Special Keys


Ans: B) Function Keys
Explanation: These keys perform special functions. : āĻāχāĻŦā§‹ā§° āĻŦāĻŋāĻļ⧇āώ āĻ•āĻžāĻŽā§° āĻŦāĻžāĻŦ⧇ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧāĨ¤


5) Which technology is used by cryptocurrencies ? CryptocurrencyāϤ āϕ⧋āύ technology āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āϕ⧰āĻž āĻšāϝāĻŧ ?


A) AI | B) Cloud Computing | C) Blockchain | D) IoT


Ans: C) Blockchain
Explanation: Blockchain stores secure, linked transaction records. : BlockchaināϤ transactionāĻŦā§‹ā§° āϏ⧁⧰āĻ•ā§āώāĻŋāϤāĻ­āĻžā§ąā§‡ āϏāς⧰āĻ•ā§āώāĻŖ āĻšāϝāĻŧāĨ¤


6) Shortcut to save a file is - File save āϕ⧰āĻŋāĻŦāϞ⧈ shortcut āĻ•āĻŋ ?


A) Ctrl + C | B) Ctrl + V | C) Ctrl + S | D) Ctrl + Z


Ans: C) Ctrl + S
Explanation: It quickly saves the current file. : āĻāχāĻŸā§‹ file āĻ¤ā§ŽāĻ•ā§āώāĻŖāĻžā§Ž āϏāς⧰āĻ•ā§āώāĻŖ āϕ⧰⧇āĨ¤


7) Which of the following is the strongest password ? āϤāϞ⧰ āϕ⧋āύāĻŸā§‹ āφāϟāĻžāχāϤāĻ•ā§ˆ āĻļāĻ•ā§āϤāĻŋāĻļāĻžāϞ⧀ password ?


A) 123456 | B) password | C) abc123 | D) $XxY59&*


Ans: D) $XxY59&*
Explanation: Strong passwords use letters, numbers, and symbols. : āĻļāĻ•ā§āϤāĻŋāĻļāĻžāϞ⧀ passwordāϤ āφāĻ–ā§°, āϏāĻ‚āĻ–ā§āϝāĻž āφ⧰⧁ āϚāĻŋāĻšā§āύ āĻĨāĻžāϕ⧇āĨ¤


8) RTGS is a - RTGS āĻ•āĻŋ ?


A) Software | B) Payment System | C) Hardware | D) Virus


Ans: B) Payment System
Explanation: RTGS is used for instant bank transfers. : RTGS āĻ¤ā§ŽāĻ•ā§āώāĻŖāĻžā§Ž āϟāĻ•āĻž āĻ¸ā§āĻĨāĻžāύāĻžāĻ¨ā§āϤ⧰ āϕ⧰āĻŋāĻŦāϞ⧈ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧāĨ¤


9) Which one is an operating system ? Operating systemā§° āωāĻĻāĻžāĻšā§°āĻŖ āϕ⧋āύāĻŸā§‹ ?


A) MS Word | B) Excel | C) Microsoft Windows | D) Paint


Ans: C) Microsoft Windows
Explanation: It manages hardware and runs applications. : āχ hardware āύāĻŋāϝāĻŧāĻ¨ā§āĻ¤ā§ā§°āĻŖ āϕ⧰⧇ āφ⧰⧁ software āϚāϞāĻžāϝāĻŧāĨ¤


10) The smallest unit in a digital system is - āĻĄāĻŋāϜāĻŋāĻŸā§‡āϞ āĻŦā§āĻ¯ā§ąāĻ¸ā§āĻĨāĻžā§° āφāϟāĻžāχāϤāĻ•ā§ˆ āϏ⧰⧁ unit āĻ•āĻŋ ?


A) Byte | B) Bit | C) KB | D) MB


Ans: B) Bit
Explanation: A bit represents 0 or 1. : Bit āĻŽāĻžāύ⧇ 0 āĻŦāĻž 1āĨ¤