Model Question Paper Computer Science

BLE Model Question Paper Computer Science

Basic Level Examination Set 1- 2076

Computer Science

Time: 1 hr 30 min   Full Marks:  50           Pass Marks: 20

Students are required to answer in their own words as far as practicable.

All questions are compulsory.

Very Short Answer Questions: (10)

1. List any two demerits of computer.
2. Name any two physical components used in the second generation computers.
3. What is software?
4. Write any two types of number system.
5. What are the extensions of HTML and Word documents?
6. Write any two uses of presentation software.
7. Computers cannot run without an operating system. Why?
8. Write the full forms of the following: (4×0.5=2)

1. HTTP
• OS
• MAN
• WWW

Short Answer Questions: (7×4=28)

1. Write down the use of the following functions in Excel.
2. SUM (), AVERAGE (), MAX (), MIN ()
3. How can you prevent your computer from virus infection? Explain in four points.
4. Explain how system software is different from application software.
5. What is supercomputer? Write down its characteristics.
6. Explain the use of computer graphics in various sectors.
7. Write short notes on:

• Word processing package
• WAN

16. A. Convert :

• 6710 into binary
• 110112 into decimal

B. Calculate:

• 1101×1001
• 111×101+100

Long Answer Questions:(6×2=12)

17. Define hybrid computer. How do you differentiate analog and digital computer? Explain.
18. Describe the three different type of common network typologies in use.