SBI PO - Computer Memory, Keyboard Shortcuts, Computer Abbreviations, Cyber Security Basics Online Test (MCQ Quiz)

1. Which type of memory is volatile and loses its data when power is turned off?

A) ROM (Read-Only Memory) B) RAM (Random Access Memory) C) Flash Memory D) Hard Disk Drive

2. What does the abbreviation 'ROM' stand for in computer memory?

A) Random Output Memory B) Read Output Memory C) Read-Only Memory D) Random Order Memory

3. Which of the following is a primary memory?

A) SSD (Solid State Drive) B) HDD (Hard Disk Drive) C) RAM (Random Access Memory) D) USB Flash Drive

4. What is the main function of Cache Memory?

A) To store permanent operating system files B) To store frequently accessed data for faster retrieval C) To act as a long-term storage for user data D) To provide backup for system data

5. Which type of memory stores the BIOS (Basic Input/Output System) of a computer?

A) RAM B) Cache C) ROM D) Virtual Memory

6. What does 'KB' stand for in the context of computer memory size?

A) Kilobyte B) Kilo-bit C) Kilo-byte D) Kilo-binary

7. How many bytes are in a Gigabyte (GB)?

A) 1024 Megabytes B) 1000 Megabytes C) 1024 Kilobytes D) 1000 Kilobytes

8. Which keyboard shortcut is used to save a document in most applications?

A) Ctrl + C B) Ctrl + V C) Ctrl + S D) Ctrl + X

9. What does the keyboard shortcut 'Ctrl + Z' typically do?

A) Redo the last action B) Copy selected text C) Undo the last action D) Paste copied text

10. Which shortcut is used to copy selected text or item?

A) Ctrl + X B) Ctrl + C C) Ctrl + V D) Ctrl + P

11. To paste copied content, which keyboard shortcut is commonly used?

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

12. What is the function of 'Alt + Tab' keyboard shortcut?

A) To open the Task Manager B) To switch between open applications C) To close the current application D) To refresh the current window

13. Which shortcut is used to close the current tab or window?

A) Ctrl + W B) Ctrl + Q C) Alt + F4 D) Shift + F4

14. What does the abbreviation 'CPU' stand for?

A) Central Processing Unit B) Computer Personal Unit C) Central Peripheral Unit D) Control Processing Unit

15. What does 'RAM' stand for?

A) Read Access Memory B) Random Access Memory C) Real Access Memory D) Random Array Memory

16. What is the abbreviation for 'Graphical User Interface'?

A) GUI B) GIF C) GPU D) GFI

17. What does 'URL' stand for?

A) Uniform Resource Locator B) Universal Resource Link C) Uniform Record Locator D) Universal Record Link

18. What is the meaning of the abbreviation 'HTTP'?

A) HyperText Transfer Protocol B) High Text Transfer Protocol C) HyperTransfer Text Protocol D) High Transfer Text Protocol

19. What does 'Wi-Fi' commonly refer to?

A) Wired Fidelity B) Wireless Fidelity C) Wireless Fiber D) Wired Fiber

20. What is 'Malware'?

A) A type of antivirus software B) A malicious software designed to harm computer systems C) A secure network protocol D) A type of computer hardware

21. Which of the following is a type of malware?

A) Firewall B) Antivirus C) Trojan Horse D) VPN

22. What is the primary purpose of a firewall?

A) To increase internet speed B) To protect a network from unauthorized access C) To store large amounts of data D) To recover deleted files

23. What does 'Phishing' refer to in cybersecurity?

A) A method of encrypting data B) A technique to steal sensitive information by pretending to be a trustworthy entity C) A process of backing up data D) A way to speed up computer performance

24. What is 'Encryption' in the context of cybersecurity?

A) Decoding data into readable format B) Converting data into a secret code to prevent unauthorized access C) Deleting malicious files D) Increasing network bandwidth

25. Which of the following is a strong password practice?

A) Using personal information like birthdays B) Using common words like 'password' C) Using a combination of uppercase letters, lowercase letters, numbers, and symbols D) Reusing the same password across multiple accounts

26. What does 'VPN' stand for?

A) Virtual Private Network B) Very Private Network C) Virtual Public Network D) Visible Private Network

27. Which keyboard shortcut is used to open the 'Find' dialog box in most applications?

A) Ctrl + F B) Ctrl + G C) Ctrl + H D) Ctrl + J

28. What is the function of 'Ctrl + B' keyboard shortcut?

A) To italicize selected text B) To underline selected text C) To bold selected text D) To change font size

29. Which keyboard shortcut is used to open the 'Print' dialog box?

A) Ctrl + P B) Ctrl + O C) Ctrl + N D) Ctrl + M

30. What does 'SSD' stand for?

A) Solid State Drive B) System Storage Drive C) Solid System Drive D) Storage State Drive

31. Which type of memory is non-volatile and retains data even when power is off?

A) DRAM B) SRAM C) ROM D) SDRAM

32. What is the largest unit of digital information storage among the following?

A) Terabyte (TB) B) Gigabyte (GB) C) Megabyte (MB) D) Kilobyte (KB)

33. What does 'Ctrl + A' do?

A) Align text to the center B) Select all content C) Open a new document D) Apply a hyperlink

34. Which shortcut opens the 'Help' menu in many applications?

A) F1 B) F2 C) F5 D) F10

35. What does 'HTML' stand for?

A) HyperText Markup Language B) High Transfer Markup Language C) Hyperlink and Text Markup Language D) Home Tool Markup Language

36. What is the abbreviation for 'Frequently Asked Questions'?

A) FAQ B) FQA C) AFQ D) QFA

37. What does 'ISP' stand for?

A) Internet Service Provider B) Internal System Program C) Internet System Protocol D) Information Service Provider

38. Which of the following is an example of spyware?

A) Adware B) Rootkit C) Keylogger D) Ransomware

39. What is a 'DDoS' attack?

A) A type of virus that encrypts files B) A Denial-of-Service attack designed to overwhelm a system with traffic C) A method for securing data transmission D) A way to remotely access a computer

40. What is the purpose of two-factor authentication (2FA)?

A) To simplify login processes B) To add an extra layer of security to user accounts C) To automatically update software D) To increase internet speed

41. Which keyboard shortcut is used to refresh the current web page?

A) Ctrl + R B) Ctrl + T C) Ctrl + Y D) Ctrl + U

42. What does 'BIOS' stand for?

A) Basic Input Output System B) Binary Input Output System C) Basic Information Operating System D) Binary Information Output System

43. What is the primary characteristic of a Hard Disk Drive (HDD)?

A) Extremely fast read/write speeds B) Uses magnetic spinning platters for storage C) No moving parts D) Consumes very little power

44. Which shortcut is used to cut selected text or item?

A) Ctrl + C B) Ctrl + X C) Ctrl + V D) Ctrl + Z

45. What does 'USB' stand for?

A) Universal Serial Bus B) Universal System Bus C) United Serial Bus D) Universal Software Bus

46. What does 'WWW' stand for?

A) World Wide Web B) Web World Wide C) Wide World Web D) World Web Wide

47. What is 'Ransomware'?

A) A program that steals passwords B) A type of virus that encrypts files and demands payment for their decryption C) A tool for securely deleting files D) Software that monitors user activity

48. Which of the following is a type of cybersecurity threat?

A) Antivirus Software B) Firewall C) Malware D) VPN

49. What is the function of 'Ctrl + Shift + Esc'?

A) Open File Explorer B) Open Task Manager C) Open Run dialog D) Lock the computer

50. What does 'RAM' primarily serve as in a computer system?

A) Long-term storage B) Temporary workspace for active programs and data C) Permanent storage for the operating system D) A backup medium

Computer Memory, Keyboard Shortcuts, Computer Abbreviations, Cyber Security Basics - Online Test

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