Class 9 Solved Final Examination 2075

                     Attempt all these questions.
 Group A (Computer Fundamental – 22 Marks)
1. Answer the following questions: 2*3=6
a. Why computer is called versatile machine?
b. Define software and hardware with examples.
c. What is an output device? Explain its types.
2. State the following statements are true or false. 0.5*6=3
a. Computer is 100% accurate machine. True
b. High level language is machine oriented programming language. False
c. Software controls hardware and its functions. True
d. Open source software are distribute at free of cost. True
e. Digital camera is an output device. False
f. National Information Technology Development Council is constituted under the chairmanship of President. False
3. Match the following: 0.5*4=2
Group “A”                              Group “B”
a. RAM                                   d) Translate HLL to Machine language line by line
b. Hard Disk                           a) Primary memory
c. Compiler                              c) Translate whole program in HLL to machine language
d. Interpreter                           -Free source software

b) Secondary memory

4. Select the correct answer: 0.5*5=2.5
a. Speed of computer is measured in
i) FLOPS         ii) MHZ           iii) MIPS         iv) Byte
b. First computer programmer
i) Charles Babbage      ii) Lady Augusta Ada           iii) Herman Hollerith   iv) Blaise Pascal
c. Fifth generation of computer uses
i) Vacuum Tube          ii) Transistors               iii) Microprocessor      iv) Bio- chips
d. Which is the user programmed semiconductor memory?
i) SRAM         ii) DRAM        iii) EPROM    iv) All of above
e. Which of the following is not a pointing device?
i) Mouse          ii) BCR           iii) Touch Pad              iv) Track Ball
5. Name technical term 0.5*5=2.5
a. The computer which has the capability of both analog and digital computers. Hybrid Computer
b. The high speed memory placed between CPU and main memory. Cache Memory
c. Point device used in laptops. Touchpad
d. System software designed to take care of computer. Utility Software
e. The physical part of a computer. Hardware
6. Give full form: 0.5*4=2
ABC – Atanasoff Berry Computer
DVD – Digital Versatile Disk
BIOS – Basic Input Output System
VLSI – Very Large Scale Integrated Service
7. a. Perform the binary calculation: 1*2=2
1. 1011 + 111
2. 1111 * 101
b. Perform the following number conversion: 1*2=2
1. (128)10 into Hexadecimal
2. (101101) 2 into decimal
Group B (Operating System – 5 marks)
8. Answer the following: 1*2=2
a. Why is windows called a GUI based operating system?
b. What do you mean by booting?
9. Write the purpose of the following DOS commands: 0.5*6=3
a. RD – removes an empty directory from the disk.
b. CLS – clears the screen.
c. CD – change a directory.
d. DEL – delete a file or group of files from the disk.
e. TIME - displays the system time and allows the user to change the new time if necessary.
f. Date – displays the system date and allows the user to change the new date if necessary.
Group C(HTML- 5 marks)
10. Answer the following: 1*2=2
a. What is HTML ? How many types of tag are there?
HTML is the standard markup language for designing Web pages. There are two types of tag. They are paired tag and singular tag.
b. Define hyperlink?
A hyperlink is an element in an HTML document that links to either another portion of the document or to another document altogether.
11. Write the use of the following HTML Tag: 0.5*6=3
a. <p> - break the paragraph
b. <ol> - displays the numbered list of items.
c. <b> - display the text in boldface.
d. <br> - break the line
e. <UL> - displays the bulleted list of items.
f. <i> - display a text in italics.
Group D (Programming – 18 Marks)
12. Answer the following: 1*2=2
 a. Write any two features of QBASIC.
Any two features of QBASIC are
1. It is a user friendly language.
2. It is widely known and accepted programming language.
b. What do you mean by operator? Give example.
A symbol that usually represents an action or process is called operator. Examples are +, - * etc
13. Rewrite the following programs after correcting bugs. 2
REM program to check the input number is positive, negative or zero
CLS
INPUT "Enter a number"; N
IF N >= 0 THEN
PRINT "Positive"
ELSE IF N <> 0 THEN
PRINT "Negative" ELSE
PRINT "Zero"
END
Debugged Program:
CLS
INPUT "Enter a number"; N
IF N >0 THEN
PRINT "Positive"
ELSEIF N < 0 THEN
PRINT "Negative"
ELSE
PRINT "Zero"
END IF
END

14. Write the output of the given program: 1*2=2
 CLS
N$ = "Final"
FOR I = 1 TO LEN(N$)
B$ = RIGHT$(N$, I)
PRINT B$
NEXT I
END
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Final
15. Write the program: 3*4=12
a. To calculate the area of circle. [ A= pi*r2]

REM PROGRAM TO DISPLAY AREA OF CIRCLE

CLS

INPUT “ENTER RADIUS”; R

C = 3.14 * R ^ 2

PRINT “AREA OF CIRCLE ”; A

END

b. To input a number and check whether it is odd or even.

REM

      CLS

      INPUT “ENTER ANY NUMBER”; N

      IF N MOD 2 = 0 THEN

      PRINT N; “IS EVEN NUMBER”

ELSE

PRINT N; “IS ODD NUMBER”

END IF

END

c. To calculate simple interest.

REM PROGRAM TO DISPLAY SIMPLE INTEREST

CLS

INPUT “ENTER PRINCIPAL”; P

INPUT “ENTER TIME”; T

INPUT “ENTER RATE”;R

I = P* T * R / 100

PRINT “SIMPLE INTEREST =”; I

END

d. To input height and base and to calculate the area of triangle . [A= ½(B*H)

REM PROGRAM TO DISPLAY AREA OF TRIANGLE

CLS

INPUT “ENTER BREADTH”; B

INPUT “ENTER HEIGHT”; H

A = 1 / 2  * (B * H)

PRINT “AREA OF TRIANGLE “; A

END

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