MODEL
QUESTIONS SET- 26
Group A :
“Computer Fundamentals” [20 marks]
1. Answer
the following questions. 2×3=6
a)
What are the types of computer on the basis of work ? Explain.
Ans:
the types of computer on the basis of work are:
1.
Analog Computer:The computer that
works with continuous signal is called analog computer.
2.
Digital Computer: The computer that
works with discontinuous signal is called digital computer.
3.
Hybrid Computer: The computer that
have features of both analog and digital computer is called hybrid computer.
b)
Write down the features of first generation of computer.
Ans:
a.
Vacuum tube was used as main
components.
b.
They consume a lot of heat.
c.
They were large in size.
d.
They were programmed in machine
language.
c)
Define input devices with example.
2. State
true or false. 3
a)
BCR is an outut device.-FALSE
b)
Contents of ROM get erased when the computer is turned off.-FALSE
c)
Open source software is distributed to users at free of cost.-TRUE
d)
A bug is an error that is due to the fault in hardware.-FALSE
e)
Students cannot user mutimedia CDs to learn themselves.-FALSE
f)
Objective of IT policy is to establish knwledge based industries.-TRUE
3. Match
the following. 2
Group
A Group B
Plotter Software
disigned for an organization
Grapi
Digitizer Output device
Port Input device
Utility
software Connection point in CPU
Tailored
softwar Software that takes care and
maintains a
computer
Software
tht can perform specific task
Plotter-
Output device
Grapi
Digitizer- Input device
Port-
Connection point in CPU
Utility
software- Software that takes care and maintains a computer
Tailored
software- Software disigned for an organization
4. Select
the correct answer. 2.5
a)
The computer wich measures physical quantities.
i)
Analog computer ii)
Digital computer
iii)
Hybrid computer iv) Super
computer
b)
First calculating machine
i)
Calculator ii) Computer iii) Abacus
iv)
Pascaline
c)
The high speed meory placed between CPU and main memory.
i)
Primary memory ii) Secondary memory
iii)
External memory iv) Cache memory
d)
Control unit of a digital computer is often called the
i)
Clock ii) ICs iii) Nerve center
iv)
All of the above
e)
National Information Technology Council is under the chairmanship of
i)
Prime minisiter ii) president iii) leader
iv)
None of above
5. Name
technical term. 2.5
a)
The repeatedly working capability of computer.-DILIGENCE
b)
A collection of 8 bits.-BYTE
c)
A computer memory that is volatile in nature.-RAM
d)
Operating system software that allows you to interact with the computer through
commands.-LANGUAGE TRANLSATOR
e)
Use information technolgy in all government activities.-EGOVERANCE
6. Give
full form : 2
FLOPS- floating
point operations per second
ASCII-AMERICAL
STANDARD CODE FOR INFORMATION INTERCHANGED
POST-POWER
ON SELF TEST
BCR-BAR
CODE READER
7. a)
Perform the follwing binary calculation: 2
iAZ
111 + 101 + 110 ii) 1111*111
b)
Perform the following number conversion: 2
i)
(246)10 into octal ii)
(CAD)16 into decimal
Group B [Operating System-5 marks]
8. Answer
the followings: 2
a)
Diferentiate between internal and external DOS commands.
|
Internal Commands
|
External Commands
|
|
These commands are contained in
files of MS-DOS.
|
These commands are not in-built in
MS-DOS.
|
|
Functions of internal DOS commands
are built into the command interpreter
|
Functions which are not included in
the interpreter.
|
b)
Define the terms desktop and taskbar.
Ans:
The
first screen that appears after opening the computer is called desktop.
The
horizontal bar located at the bottom of desktop is called desktop.
9. Write
the purpose of the following DOS commands: 3
a) COPY CON- used to create file b) MD:-used to create directory
c)
REN: used to rename d)
COPY: used to copy file
e)
REN: used to rename file f)
EDIT:used to modify file
Group C [HTML-5 mark]
10. Answer
the following. 2
a)
Write the types of HTML tags with examples.
Ans:
Ans:
The
types of HTML tags are
a. Singular tag ex. <br> ,<hr>
a. Singular tag ex. <br> ,<hr>
b.
Pair tags ex. <html>,<head>
b)
What is web browser ? Give any 2 examples of web browsers.
ANs:
The
software that are used to browse and access web sites is called web browser.
Ex: Firebox,Opera.
11. Write
the use of following HTML tags: 3
a)
<IMG>: used to insert image b)
<A>: used to insert link c)
<TABLE>: used to create table
d)
<MARQUEE>: used to create motion in text e)
<FONT>:used to font the text f)
<TITLE>: used to add title to page
Group D [QBASIC Programming-
18-mark]
12. Answer
the following: 2
a)
What is control structure ? Mention it types.
Ans;
The statement that change the flow of program is called control structure.Its types are:
Sequential Structure, Selection Structure,
Repetition Strutcure..
b)
What is meant by library function ? Give example.
Ans;
The function that are already define by Qbasic is called library function.
Example: Mid$,Left$,right$ etc.
13. Rewrite
the following programs after correcting bugs. 2
REM
program to print the even numbers from 1 to 10 and display
their
sum
CLS
FOR
I - 1 TO 10
S
= S + 1
I
= I + 2
NEXT
I
PRINT
I
PRINT
“THE SUM IS’;S
END
DEBUG;
CLS
FOR
I =2 TO 10
S
= S + I
I
= I + 2
PRINT
I
NEXT I
PRINT
“THE SUM IS’;S
END
14. Read
the following program and answer the questions followed: 2
CLS
A=1
INPUT
“Enter a number”;N
FOR
I = 1 TO N
A=A*I
NEXT
I
PRINT A
END
a)
List out the variables used in the
program.
A,N,I
b)
What will be the output if the
input number is 5 ?
120
15. Write
the program: 3×4=12
a)
To determine whether the input number is prime or composite.
CLS
INPUT "ENTER ANY
NUMBER"; N
C = 0
FOR I = 1 TO
N
IF N MOD I =
0 THEN C = C + 1
NEXT I
IF C = 2
THEN
PRINT N;
"IS PRIME NUMBER"
ELSE
PRINT N;
"IS COMPOSITE NUMBER"
END IF
END
c)
To input heigh and base and to
calculate the area of a triangle. [A=1/2(B*H]
CLS
INPUT “ENTER HEIGHT”;H
INPUT “ENTER BREATH’;B
A=(1/2)*(B*H)
PRINT “AREA IS”;A
END
c)
To print the series: 2 8 18
32 up to 10th term.
CLS
FOR i = 1 TO 10
PRINT i ^ 2 * 2;
NEXT i
END
FOR i = 1 TO 10
PRINT i ^ 2 * 2;
NEXT i
END
End
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