NEB || Important question paper of Computer Science Class 11

Class: 11 || Subject: Computer Science-I

Chapter-5 Computer Systems

Long answer questions

1. Explain the role of memory in a computer and differentiate between main memory and auxiliary storage. [12.5]
2. What do you mean by peripherals? Differentiate between impact and non-impact printers. [12.5]
3. What are the main types of memory in a computer, and explain how do they differ from one another? [12.5]
4. Discuss the term computer architecture. Draw block diagram and explain the main components of a computer system. [12.5]
5. What do you mean by the term ‘’Virtual memory’? How does it differ from ‘main’ memory and ‘secondary memory’? Discuss. [12.5]
6. Show with reference to a block diagram, the structure of a digital computer system and the inter-connection of various units. Explain the functions of various units briefly. [12.5]
7. With a logical structural diagram, explain functions of elements of a computer system. [12.5]

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Short answer questions

8. How do you measure the capacity of speed and memory of computer system? Explain. [5]
9. Describe the secondary memory in computer system with example. [5]
10. Explain impact and non-impact printers. [5]
11. Describe computer virus and method of protection from virus. [5]
12. What is memory? List out any four differences between primary and secondary memory. [1+4]
13. What is ‘BUS’ in the computer system? Describe the different types of BUS. [1+4]
14. Differentiate between Compiler and Interpreter with example. [5]
15. What is output? List out the major features of Non-Impact printers. [1+4]
16. What is memory? Differentiate between RAM and ROM. [1+4]
17. Define printer. Differentiate between Impact and Non-Impact printer with examples. [1+4]
18. Define memory? Differentiate between DRAM and SRAM. [1+4]
19. What is memory? Differentiate between Primary and Secondary memory. [1+4]
20. Describe the Impact Printers with examples. [5]
21. Describe different types of software. [5]
22. List out the functions of CPU. [5]
23. Describe Non-Impact printers with examples. [5]
24. Differentiate between Compiler and Interpreter. [5]
25. What is laser printer? List out the major features of laser printer. [1+4]
26. What is memory? Differentiate between SRAM and DRAM. [1+4]
27. Describe the terms Hardware, Software and Firmware. [5]
28. What is laser printer? List the features of laser printer. [1+4]
29. What is BUS in terms of computer architecture? Explain. [5]
30. What is CPU? Write down the functions of CPU. [5]
31. What is an output device? Differentiate between Impact and Non-Impact printers with examples. [1+4]
32. What is output? Distinguish between CRT monitor and LCD monitor. [1+4]
33. Differentiate between RAM and ROM. [5]
34. What is printer? Differentiate between soft copy and hard copy output. [5]
35. Explain briefly the functions of input unit and control unit of a computer. [5]
36. Explain work done by the control unit and ALU of a computer. [5]
37. Describe the differences between serial and parallel interfaces. [5]
38. Explain the terms hardware interrupts and software interrupts. [5]
39. Describe the terms spooling and buffering. [5]
40. What do you mean by ‘Volatility’? Explain RAM and ROM with the concept and term. [5]
41. What is a purpose of MODEM and where it could be used? [5]
42. Define the term computer peripheral. Discuss about different types of printers with their merits and demerits. [5]
43. Write the importance of primary and secondary storage in a computer system. [5]
44. What do you understand by storage media? Why COROM are more reliable than the floppy diskettes? [5]

Write short notes on: [2.5]

45. USB
46. Cache memory, Bus in the computer system
47. Scanner, Light pen
48. Touch screen, MICR
49. System software, OCR
50. Joystick
51. Bar code reader
52. Memory
53. Modem, trackball
54. Compiler verses Interpreter
55. Laser printer, Charles Babbage
56. Touch pads and light pens

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