MODEL QUESTIONS SET- 23
Group A : “Computer Fundamentals” [20 marks]
1. Answer the following questions. 2×3=6
a) Why is computer called versatile machine ?
ans:
Computer is called versatile machine because it is used in different fields for different purposes.
b)Define software and hardware with examples.
Ans
Software are the collection of program that cannot be touch and felt. Ex . Msword, ms paint etc.
Hardware are the physical components computer that can be touch and felt. Ex keyboard,mouse etc
c) What is an output device ? Explain its types.
Ans; The device that are used to give result in screen is called output device, Its types are:
a. Softcopy output device
b. Hardcopy output device
2. State True or False. 3
a) Computer is 100% acurate 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. 2
RAM Translate HLL to Machine language line by line
Hard Disk Primary memory
Compiler Translates whole program in HLL to machine language
Interpreter Free source software
Secondary memory
SOLUTION:
RAM- Primary memory
Hard Disk- Hard Disk
Compiler- Translates whole program in HLL to machine language
Interpreter- Translate HLL to Machine language line by line
4. Select the correct answer : 2.5
a) Speed of comuter 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) Balaize Pascal
c) Fifth geenration of computer uses.
i) Vacuum Tube ii) Transistors iii) Microprocessor
iv) Bio chips
d) Which is teh user programmed semiconductor memory ?
i) SRAM ii) DRAM iii) EPROM
iv) All of the above
e) Which of the following is not a pointing devices ?
i) Mouse ii) BCR iii) Touch pad iv) Track Ball
5. Name technical term. 2.5
a) The computer which has the capability of both analog and digital computers.-HYBRID COMPUTER
b) The high sped memory places etween CPU and main memory.-CACHE MEMORY
c) Point device used in laptops.-Touch pad
d) System software designed to take care of computer.-Utility software
e) An input device which converts text or images into digital form.-Scannner
6. Give full form. 2
ABC- Atanasoff–Berry computer DVD-digital video disk BIOS-basic input out system IRC-internet relay chat
7. a) Perfrom the following binary calculations. 2
i) 1011 + 111 b) 1111 ÷ 111
b) Perform the following number conversion: 2
i) (128)10 into Hexadecimal ii) (101101)2 into decimal
Group B [Operating System-5 marks]
8. Answer the following questions: 2
a) Why is windows called a GUI based operating system.
Ans: windows is called Gul based os because its presents information in graphical ways .
b) What do you mean by booting ?
ans; The process of starting and restarting computer is called booting.
9. Write the purpose of the following DOS commands: 3
a) RD-used to remove directory b) CD -used to change directory c) TYPE: used to view file content d) MOVE; used to move file
d) DEL: used to delete file e) CHKDSK: it is used to check disk
Group C [HTML-5 mark]
10. Answer the following. 2
a) What is HTML tag ? What are its types.
Ans;
Tags are keywords that tell a browser how to display information in a HTml documents.
The types are:
a. pair tags
b. singular tags.
b) DEfine hyperlink.
Ans:
The way of establishing relation between different parts of web page or pages of websites or between websites is called link.
11. Write the use of following HTML tags: 3
a) <P>-used to make paragraph
b) <OL>- used to make order list c) <BR>-used to break line d) <HR>-used to draw horizontal line
e) <FONT>- used to add font f) <HEAD>- holds extra information
Group D [Prgramming- 18-mark]
12. Answer the following. 2
a) Write two features of QBASIC.
Ans:
It is high level language.
It is high level language.
It is easy to code and modify.
b) What do you mean by operator ? Give example.
Ans:
Operator are symbol that performs operation to give result. Example: +,-,*, MOd
13. Rewrite the following programs after correcting bugs. 2
REM program to check whether 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
Debug:
CLS
INPUT “Enter a number”;N
IF N>0 THEN
PRINT “Positive”
ELSE IF N<0 THEN
PRINT “Negative”
ELSE
PRINT “ZERO”
END
14. Write the output of the given program: 2
CLS
N=5
C=1
WHILE C < = 5
PRINT N
N=N*10+5
C=C+1
WENT
END
OUTPUT:
5
55
555
5555
55555
15. Write the program: 3×4=12
a) To calculate the area of a circle. [A = PI*R2]
CLS
PI=22/7
INPUT “ENTER RADIUS”;R
A= PI * R^ 2
PRINT “AREA OF CIRCLE IS”; A
END
b) To print the greatest number among 3 input numbers.
CLS
INPUT “Enter any three numbers:”; A, B, C
IF A>B & A>C THEN
PRINT “Greatest number is:”A
ELSEIF B>C & B>A THEN
PRINT “Greatest number is”;B
ELSE
PRINT “Greatest number is”;C
ENDIF
END
c) To print the series: 1 22 333 4444 55555
CLS
FOR I=1 TO 5
FOR J= 1 TO I
PRINT I;
NEXT
PRINT
NEXT
END
e) To calculate simple interest [SI = PRT/100]
CLS
INPUT “ENTER PRINCIPAL”;P
INPUT “ENTER TIME”;T
INPUT “ENTER RATE”;R
SI=(P*T*R)/100
PRINT “SIMPLE INTRESET IS”;SI
END
End
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