Class 9th Computer Science Model Question Paper – 2080

 Group A [10 Marks]

1. Answer the following questions in one sentence:     (6×1=6)

a) List any two features of a computer system.

b) Why are buses used for motherboards?

c) List any two hard copy output devices.

d) Define utility software.

e) What is flowchart?

f) What is HTML?

2. Write the technical term for the following statements: (2×1=2)

a) The software which is designed to meet the requirement of a specific group of users.

b) The smallest and fastest memory located in the CPU.

3. Write the full forms of the following:                          (2×1=2)

a) BD

b) UPS

             Group B [ 24 marks ]

4. Answer the following questions:                                (9×2=18)

a) What is a computer system? Draw the basic architecture of the computer system.

b) What is a soft copy output device? Give any two examples of soft copy output devices.

c) Why is RAM called volatile memory?

d) Differentiate between compiler and interpreter.

e) Why is windows called a multitasking operating system?

f) Why do you use the universal selector?

g) What is a programming language? List any two types of programming language.

h) Write any four rules for naming the variable in QBASIC program.

i) What is the operating system? List any two functions of it.

5. Write the output of the given program showing the dry run table. (2)

CLS

A= 10

B= 10

D= A-B

PRINT D

SWAP A, B

D= A-B

PRINT D

END

6. Debug the following program: (2)

CLS

REM to check whether the inputted number is Prime or Composite.

INPUT "Enter a number:-";N

FOR I= 1 to N-1

LET R= A\I

IF R= 0 THEN F=F+1

WEND I

IF F= 2 THEN

PRINT "PRIME"

ELSE

PRINT "COMPOSITE"

IF END

END

7. Read the following program and answer the given questions. (2)

CLS

S= 0

X= 1

While X <= 5

i= X^2

S= S+i

X= X+1

Wend

Print S

END

Questions:

a) How many times does the loop execute in this program?

b) What will happen if statement X= X+1 is removed?

    Group C Long question [16 marks]

8. Create a table using HTML, tags as given below,                        (4)

                           Awarded Students

9. a) Define Hyperlink. List and explain types of link with suitable examples. (4)

    b) Write a program to input the side of a cube and display volume and total surface area. (Hint VOC= length³ and TSA=6*Length²] (4)

10. WAP to input a number and display its factors. (4)

                                    OR

 WAP to input a number and find whether it is Armstrong or not.