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

1. What is the primary function of Random Access Memory (RAM)?

A) To store the operating system permanently B) To provide temporary storage for actively used data and programs C) To store long-term archival data D) To perform complex calculations

2. Which type of memory is non-volatile, meaning it retains data even when power is turned off?

A) RAM (Random Access Memory) B) Cache Memory C) ROM (Read-Only Memory) D) Virtual Memory

3. What does the acronym ROM stand for in computer memory?

A) Random Operating Memory B) Read-Only Memory C) Realtime Output Module D) Recursive Operation Mode

4. Which of the following is the fastest type of computer memory?

A) Hard Disk Drive (HDD) B) RAM C) SSD (Solid State Drive) D) Cache Memory

5. What is the purpose of Cache Memory?

A) To store frequently accessed data from the main memory to speed up processing B) To provide long-term storage for files C) To act as a backup for the operating system D) To connect the CPU to the motherboard

6. Which keyboard shortcut is commonly used to copy selected text or objects?

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

7. To paste copied or cut content, which keyboard shortcut is used?

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

8. Which shortcut is used to cut selected text or objects?

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

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

A) Saves the current document B) Redoes the last action C) Undoes the last action D) Opens a new tab

10. Which shortcut is used to select all content in a document or window?

A) Ctrl + B B) Ctrl + A C) Ctrl + F D) Ctrl + N

11. What is the primary goal of cybersecurity?

A) To increase internet speed B) To protect computer systems and networks from theft, damage, or unauthorized access C) To develop new software applications D) To reduce the cost of hardware

12. What is a 'malware' in the context of cybersecurity?

A) A type of antivirus software B) A legitimate software update C) Malicious software designed to harm or exploit computer systems D) A secure network protocol

13. Which of the following is an example of malware?

A) Firewall B) Virus C) Encryption D) Password Manager

14. What is 'phishing' in cybersecurity?

A) A method of data encryption B) A technique used to steal sensitive information by disguising as a trustworthy entity C) A type of secure network connection D) A process of data backup

15. What is the purpose of an antivirus software?

A) To speed up internet connection B) To detect, prevent, and remove malicious software C) To create backups of important files D) To manage user passwords

16. Which of the following is a type of volatile memory?

A) Hard Disk Drive B) SSD C) DRAM (Dynamic Random Access Memory) D) ROM

17. What is the unit of measurement for computer memory capacity?

A) Hertz (Hz) B) Bytes (B) C) Watts (W) D) Volts (V)

18. How many bytes are in a Kilobyte (KB)?

A) 1000 B) 1024 C) 1,000,000 D) 1,048,576

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

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

20. What does the keyboard shortcut Ctrl + S do?

A) Selects all text B) Saves the current file C) Opens a new file D) Prints the current document

21. Which shortcut is used to open a new browser tab?

A) Ctrl + N B) Ctrl + T C) Ctrl + Shift + T D) Ctrl + W

22. What is the purpose of a firewall in cybersecurity?

A) To increase internet speed B) To monitor and control incoming and outgoing network traffic based on predetermined security rules C) To encrypt sensitive data D) To perform regular data backups

23. What is 'encryption' in cybersecurity?

A) A method of data deletion B) The process of converting information into a code to prevent unauthorized access C) A way to speed up data transfer D) A technique for data recovery

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

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

25. What is 'social engineering' in the context of cybersecurity?

A) A method of secure data storage B) The psychological manipulation of people into performing actions or divulging confidential information C) A type of network security protocol D) A process for software development

26. What is the main difference between RAM and ROM?

A) RAM is non-volatile, ROM is volatile B) RAM is read-only, ROM is read/write C) RAM is volatile and used for temporary storage, ROM is non-volatile and used for firmware D) RAM is slower than ROM

27. What is a Gigabyte (GB) approximately equal to?

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

28. Which keyboard shortcut is used to close the current window or application?

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

29. What does the keyboard shortcut Ctrl + P typically initiate?

A) Paste B) Print C) Properties D) Paragraph

30. Which shortcut is used to switch between open applications?

A) Ctrl + Tab B) Alt + Tab C) Shift + Tab D) Ctrl + Shift + Tab

31. What is the function of the 'Shift' key when typing?

A) To type numbers B) To type lowercase letters C) To type uppercase letters or special symbols D) To activate the Caps Lock

32. What is a 'virus' in computer terms?

A) A hardware component B) A type of network cable C) A piece of code that can replicate itself and spread to other computers D) A secure data storage format

33. What is the purpose of a 'Trojan Horse' in cybersecurity?

A) To protect a network B) To speed up data processing C) A type of malware that disguises itself as legitimate software to gain access D) To encrypt files securely

34. What does a 'Denial of Service' (DoS) attack aim to achieve?

A) To steal user credentials B) To make a machine or network resource unavailable to its intended users C) To encrypt all data on a server D) To gain unauthorized access to a system

35. What is the function of a 'password manager'?

A) To automatically delete passwords B) To generate and store strong, unique passwords for various accounts C) To broadcast passwords to other users D) To slow down login processes

36. Which type of memory is typically used for firmware, like the BIOS?

A) RAM B) Cache C) ROM D) SSD

37. What is the largest unit of memory commonly discussed today?

A) Terabyte (TB) B) Gigabyte (GB) C) Megabyte (MB) D) Petabyte (PB)

38. Which keyboard shortcut is used to open the 'Save As' dialog box?

A) Ctrl + S B) Ctrl + Shift + S C) F12 D) Ctrl + Alt + S

39. What does the keyboard shortcut Ctrl + B typically do?

A) Bold selected text B) Apply a border C) Bring to front D) Bookmark the page

40. Which shortcut is used to refresh the current web page or window?

A) Ctrl + R B) F5 C) Alt + R D) Shift + R

41. What is the purpose of the 'Caps Lock' key?

A) To type lowercase letters continuously B) To type numbers continuously C) To type uppercase letters continuously D) To switch between input languages

42. What is a 'spyware' in cybersecurity?

A) Software that encrypts data B) Software that monitors user activity without consent and collects information C) Software that speeds up a computer D) Software that backs up files

43. What is the primary purpose of a 'VPN' (Virtual Private Network)?

A) To block all internet access B) To encrypt internet connection and mask IP address for privacy and security C) To increase download speeds significantly D) To store large amounts of data

44. What is 'two-factor authentication' (2FA)?

A) Using only a password for login B) Requiring two different methods of verification to confirm a user's identity C) A type of data encryption D) A network security protocol

45. Which type of memory has the largest capacity among the options?

A) SATA SSD B) DDR4 RAM C) NVMe SSD D) NAND Flash Memory (used in SSDs)

46. What is the difference between a byte and a bit?

A) A bit is larger than a byte B) A byte consists of 8 bits C) They are the same unit of measurement D) A bit is used for storage, a byte for processing

47. Which keyboard shortcut is used to open the Task Manager in Windows?

A) Ctrl + Alt + Delete B) Ctrl + Shift + Esc C) Alt + F4 D) Ctrl + Tab

48. What does the keyboard shortcut Ctrl + F4 typically do?

A) Closes the entire application B) Closes the current document or tab within an application C) Finds text D) Forces a system restart

49. Which shortcut is used to undo the last action in most applications?

A) Ctrl + Y B) Ctrl + Z C) Ctrl + U D) Ctrl + X

50. What is the function of the 'Tab' key when typing?

A) To indent a paragraph or move to the next field/control B) To create a new line C) To delete characters D) To insert symbols

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

Test Results