Computer GK â Set 7
1) A computer cannot do anything without a - āĻāĻŽā§āĻĒāĻŋāĻāĻāĻžā§°ā§ āĻāĻŋāĻšā§° āĻ āĻŦāĻŋāĻšāύ⧠āĻāĻā§ āĻā§°āĻŋāĻŦ āύā§ā§ąāĻžā§°ā§ ?
A) Hardware (āĻšāĻžā§°ā§āĻĄā§ąā§ā§°) | B) Software (āĻāĻĢā§āĻā§ąā§ā§°) | C) Programme (āĻĒā§ā§°āĻā§ā§°āĻžāĻŽ) | D) User (āĻāĻāĻāĻžā§°)
Ans: C) Programme
Explanation: A computer needs a program to perform tasks and process data. : āĻāĻŽā§āĻĒāĻŋāĻāĻāĻžā§°āĻ āĻāĻžāĻŽ āĻā§°āĻŋāĻŦāϞ⧠āĻĒā§ā§°āĻā§ā§°āĻžāĻŽā§° āĻĒā§ā§°āϝāĻŧā§āĻāύ āĻšāϝāĻŧāĨ¤
2) Which of the following is not a hardware ? āϤāϞ⧰ āĻā§āύāĻā§ hardware āύāĻšāϝāĻŧ ?
A) Keyboard (āĻā§āĻŦā§°ā§āĻĄ) | B) Monitor (āĻŽāύāĻŋāĻā§°) | C) MS Paint | D) Mouse (āĻŽāĻžāĻāĻ)
Ans: C) MS Paint
Explanation: MS Paint is software, not a physical device. : MS Paint āĻāĻāĻž software, āĻ physical device āύāĻšāϝāĻŧāĨ¤
3) The command to reboot a computer is - āĻāĻŽā§āĻĒāĻŋāĻāĻāĻžā§° restart āĻā§°āĻŋāĻŦāϞ⧠command āĻāĻŋ ?
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. : āĻāĻāĻā§ system option āĻā§āϞā§, restart āĻā§°āĻŋāĻŦ āĻĒāĻžā§°āĻŋāĨ¤
4) Keys labelled F1 to F12 are - F1ā§° āĻĒā§°āĻž F12 āϞ⧠keysāĻŦā§ā§° āĻāĻŋ ?
A) Numeric Keys (āϏāĻāĻā§āϝāĻž keys) | B) Function Keys (āĻĢāĻžāĻāĻāύ keys) | C) Arrow Keys | D) Special Keys
Ans: B) Function Keys
Explanation: These keys perform special functions. : āĻāĻāĻŦā§ā§° āĻŦāĻŋāĻļā§āώ āĻāĻžāĻŽā§° āĻŦāĻžāĻŦā§ āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧāĨ¤
5) Which technology is used by cryptocurrencies ? CryptocurrencyāϤ āĻā§āύ technology āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻā§°āĻž āĻšāϝāĻŧ ?
A) AI | B) Cloud Computing | C) Blockchain | D) IoT
Ans: C) Blockchain
Explanation: Blockchain stores secure, linked transaction records. : BlockchaināϤ transactionāĻŦā§ā§° āϏā§ā§°āĻā§āώāĻŋāϤāĻāĻžā§ąā§ āϏāĻā§°āĻā§āώāĻŖ āĻšāϝāĻŧāĨ¤
6) Shortcut to save a file is - File save āĻā§°āĻŋāĻŦāϞ⧠shortcut āĻāĻŋ ?
A) Ctrl + C | B) Ctrl + V | C) Ctrl + S | D) Ctrl + Z
Ans: C) Ctrl + S
Explanation: It quickly saves the current file. : āĻāĻāĻā§ file āϤā§āĻā§āώāĻŖāĻžā§ āϏāĻā§°āĻā§āώāĻŖ āĻā§°ā§āĨ¤
7) Which of the following is the strongest password ? āϤāϞ⧰ āĻā§āύāĻā§ āĻāĻāĻžāĻāϤāĻā§ āĻļāĻā§āϤāĻŋāĻļāĻžāϞ⧠password ?
A) 123456 | B) password | C) abc123 | D) $XxY59&*
Ans: D) $XxY59&*
Explanation: Strong passwords use letters, numbers, and symbols. : āĻļāĻā§āϤāĻŋāĻļāĻžāϞ⧠passwordāϤ āĻāĻā§°, āϏāĻāĻā§āϝāĻž āĻā§°ā§ āĻāĻŋāĻšā§āύ āĻĨāĻžāĻā§āĨ¤
8) RTGS is a - RTGS āĻāĻŋ ?
A) Software | B) Payment System | C) Hardware | D) Virus
Ans: B) Payment System
Explanation: RTGS is used for instant bank transfers. : RTGS āϤā§āĻā§āώāĻŖāĻžā§ āĻāĻāĻž āϏā§āĻĨāĻžāύāĻžāύā§āϤ⧰ āĻā§°āĻŋāĻŦāϞ⧠āĻŦā§āĻ¯ā§ąāĻšāĻžā§° āĻšāϝāĻŧāĨ¤
9) Which one is an operating system ? Operating systemā§° āĻāĻĻāĻžāĻšā§°āĻŖ āĻā§āύāĻā§ ?
A) MS Word | B) Excel | C) Microsoft Windows | D) Paint
Ans: C) Microsoft Windows
Explanation: It manages hardware and runs applications. : āĻ hardware āύāĻŋāϝāĻŧāύā§āϤā§ā§°āĻŖ āĻā§°ā§ āĻā§°ā§ software āĻāϞāĻžāϝāĻŧāĨ¤
10) The smallest unit in a digital system is - āĻĄāĻŋāĻāĻŋāĻā§āϞ āĻŦā§āĻ¯ā§ąāϏā§āĻĨāĻžā§° āĻāĻāĻžāĻāϤāĻā§ āϏ⧰⧠unit āĻāĻŋ ?
A) Byte | B) Bit | C) KB | D) MB
Ans: B) Bit
Explanation: A bit represents 0 or 1. : Bit āĻŽāĻžāύ⧠0 āĻŦāĻž 1āĨ¤