1.2 - Computer Hardware and components - MCQs
1. Which of the following units is responsible for performing arithmetic and logic operations in a computer?
2. What is the role of the Control Unit in a computer system?
3. What is the primary function of the Central Processing Unit (CPU)?
4. What type of memory is used for temporary storage of data actively being used by the CPU?
5. Which of the following storage devices offers faster data access due to the absence of moving parts?
6. What is the primary function of the motherboard in a computer system?
7. Which slots on the motherboard allow users to add additional components such as graphics cards and sound cards?
8. What is the main purpose of a Graphics Processing Unit (GPU)?
9. Which type of graphics is integrated into many CPUs to provide basic graphical capabilities?
10. Which of the following is an example of an input device?
11. What is the primary function of an output device?
12. What is the function of a Network Interface Card (NIC)?
13. Which networking device is used to manage data traffic within a network?
14. What is the main role of the Power Supply Unit (PSU) in a computer?
15. How do cooling systems like fans and heat sinks contribute to the computer’s performance?
16. What is the primary function of a data bus in a computer system?
17. Which type of bus is responsible for specifying the source and destination of data in a computer system?
18. What is the main characteristic of a synchronous system bus?
19. How does an asynchronous system bus differ from a synchronous one?
20. Which of the following is an input device used for typing?
21. What is the primary function of a mouse in a computer system?
22. Which device is specifically designed for gaming and allows movement within the screen’s environment?
23. How does a light pen interact with a computer system?
24. Which of the following is not a type of scanner?
25. What is the main use of a barcode reader?
26. What type of memory is used to store data that must be accessed quickly by the CPU?
27. Which of the following is an example of a non-volatile memory?
28. What is the primary function of cache memory?
29. What does the acronym DRAM stand for?
30. Which memory type requires regular refreshing to retain data?
31. What is the main difference between SRAM and DRAM?
32. Which type of ROM can be erased and reprogrammed using special equipment?
33. What is the role of the Program Counter (PC) in a computer?
34. Which of the following registers holds the address of the memory location?
35. Which type of storage device is known for its removable and portable nature?
36. What type of memory is used for storing data that is not immediately accessible by the CPU but remains persistent?
37. Which storage device uses magnetic disks to store data permanently?
38. What is the main advantage of using optical storage devices like CDs and DVDs?
39. Which type of optical storage device can hold up to 17 GB of data?
40. What is the primary function of an output device?
41. Which of the following is NOT an example of an output device?
42. What does a monitor do?
43. Which device is used to listen to audio from a computer?
44. What is the main function of a projector?
45. What type of output device is a printer?
46. How do speakers differ from headphones?
47. What component of a monitor is responsible for displaying information?
48. What is software defined as?
49. Which of the following is NOT considered software?
50. What type of software would a word processor fall under?
51. What does an application software typically do?
52. Which software category includes operating systems and system utilities?
53. What is the primary role of system software?
54. Which of the following is an example of a utility software?
55. How does software differ from hardware?
56. What function does a web browser perform?
57. What type of software is responsible for managing system resources and hardware?
58. Which software type provides tools for creating and editing text documents?
59. What is an example of a program that would be categorized as utility software?
