 # HSEB Model Question Computer Science 2076

HSEB Model Question Computer Science is the collection of all the important questions for upcoming HSEB exam 2076. The questions are selected by the experienced teachers in order to give you the best questions which are important for you.

## HSEB Model Question Computer Science 2076

Class: 11                    Time: 3 hr                                              F.M.: 75                                                      P.M.: 27

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Candidates are required to give their answer in their own words as far as required.

### Group ALong Answer Questions (30 Marks)

#### Answers the following questions: (3×10=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.a.What is an operating system? Explain any three functions of an operating system. (1+6)

b.The WIMP environment is much more user friendly why? (3)

or

b. Explain about the <A> and <input> HTML tag with example(5)

3. a. Define flow chart and pseudo-code. Explain their significance in programming. (5)

b. Write a pseudo code to accept any three numbers and output the largest number among them. (5)

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### Attempt any Nine Questions. (9×5=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 operations?(5)

#### 7. a. Convert the following as indicated:  (1×3= 3)

i. (126)10 into Binary

ii. (11011)2 into Decimal

iii. (57)8 into Binary

#### b. Perform the following binary operations. (2×1=2)

i. 1110-1101                                           ii. 100111÷111

8. State the Demorgan’s theorem and verify it. (5)

9. What are logic gates? Construct the truth table of NOR operator. (5)

10. Write short notes on the following (Any two) (5)

a. IDE                        ii. SCSI                      iii. Web Camera

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11. What are the uses of internet? Write any five search engines name. (5)

12. Differentiate between system software and application software with example. (5)

13. What are DTP features in MSWORD? Write three features of presentation packages. (5)

14. Write an algorithm and flow chart to print the word “Hello ” term times using “while loop”. (5)