Model Question For Computer Science Class 11

HSEB question model of computer science

Grade : 11

For : 2070

Time : 3hrs
F.M. : 75
P.M : 27

Group A (long answer question)

Attempt all the questions. [3 X 10 = 30]

1. Draw a well-labeled diagram of typical architecture of a computer system and explain the main function of Control Unit and ALU. [4+3+3]

2.
1. What is an operating system ? Explain any three function of an operating system.
2. The “WiMP” environment is much more user-friendly, why ?
OR
1. What is cell addressing and explain different types of cell addressing used in spreadsheet.
2. Write a tag to design your personal web page to link photo family, background and banner page using frame. [5+5]

3.

1. Define flowchart and pseudocode. Explain their significance in programming. [5]
2. Write a pseudocode to accept any three numbers and output the largest among them. [5]

Group B (Short answer questions)

Attempt any **nine questions. [9 X 5 = 45]**

4. Classify the computers according to their generation based on the technology used. [5]

5. Differentiate between analogue and digital computer, explain with examples. [5]

6. What do you mean by number system? Why do digital computers use binary numbers for their operation ? [2 + 3]

7. Convert these numbers. [5]

1. (126)10 = (?)2
2. (11011)2 = (?)10
3. (57)8 = (?)2

Perform following operations.

4. 1011 – 1001
5. 1110 + 1110

8. State the Demorgan’s theorem and verify it. [5].

9. What are logic gates? Construct the truth table of NOR operation. [5]

10. Write short notes on (any two) : [5]

1. IDE 2. SCSI 3. Wave Camera

11. What are uses of internet ? Write any five search engine name. [5]

12. Differentiate between System Software and Application Software with examples. [5]

13. What are DPT features in MS-Words? Write three features of Presentation Packages. [2 + 3]

14. Write an algorithm and flowchart to print the word “Hello” ten times using “while loop” [5]