Pre-SEE Exam - 2080
Gauri Shankar Secondary School
Nisdi-4, Mityal,Palpa
Subject:- Computer Science
Grade:- 10 (SEE) FM
:-50
Time:- 1.5 Hrs.
Attempt all questions
( Very Short Questions-10 Marks)
Group-A
1. Answer the following
questions in one
sentence: 6x1=6
a)
What is
internet?
Ans: The Internet is a
global network of interconnected computers that allows people to share
information and communicate from anywhere in the world.
b)
Define cloud
computing.
Ans: Cloud Computing refers
to storing and accessing data and programs over the internet instead of storing
on secondary storage devices.
c)
What is
meant by primary key in MS-Access?
Ans: A primary key is a
field or combination of fields in a table that uniquely identifies each record,
and is used to establish relationships between tables and enforce data
integrity.
d)
Which data
type is suitable to store salary of an employee in MS-Access?
Ans:
Currency data type is suitable to store salary of an employee in MS-Access.
e)
Write any
two advantages of modular programming.
Ans: Any two
advantages of modular programming are:
i) Different programmers can design different program
modules independently, which is required in a large and complex program.
ii) It is easy to design, code and test the program modules independently.
f)
Write any
two differences between Q-Basic and C-language.
Ans: Any two
differences between Q-Basic and C-language
|
QBASIC |
C |
|
It is a high level language
without feature of low level language. |
It is a high level language with
some features of low level language. |
|
It is mostly used to design
application software. |
It is mostly used to prepare
system software. |
2. Write appropriate technical term
of the following:
a)
The smallest unit of represent in
format on quantum computer. quantum bit (qubit)
b)
Laws made to prevent criminal
activities through the internet. Cyber
Law
3. Write the full forms of the following:
a)
VPN - Virtual Private Network
b)
DNS - Domain Name System
Group-B
Short Questions -24 Marks
4) Answer the following questions in
short. 9x2=18
a)
What is
network topology? List any two types of network topology.
Ans: Network topology
is the cabling structure of interconnected computers in LAN.
Any two types
of network topology are bus topology and star topology.
b)
What is
antivirus software? Name any two popular antivirus software.
Ans: Antivirus
software is software designed to detect and remove virus from computer system
and ensures virus free environment.
Any two popular antivirus software are Kaspersky and
McAfee
c)
What is
virtual reality? Write any two areas where it is used.
Ans: Virtual
reality is an artificial environment created with computer hardware and software and
presented to the user in such a way that it appears
and feels like a real environment.
Any
two areas where it is used are:
Gaming- VR Gaming allows
players to immerse (dip) themselves in virtual world and interact with
environment and characters
Education - VR can help students
learn by making the content more engaging and memorable.
d)
What is
E-commerce? List any two advantages of it.
Ans: E-commerce refers
to the buying and selling of goods or services using the internet.
Any two
advantages of it are:
It
makes buying/selling possible 24/7.
It makes buying selling procedure faster, as well as
easy to find products.
e)
What is
E-Learning? Write some examples of it.
Ans: E-learning is a
new concept of delivering digital contents in learner oriented environment
using information and communication technology (ICT).
Examples are Virtual Classrooms from Zoom and Google
Meet, Online textbooks and eBooks, Video based learning platforms like YouTube
etc.
f)
What is data
processing? Distinguish data & information.
Ans: Data
processing is the method of collecting raw data and translating it into usable
information.
Difference between
data and information are:
|
Data |
Information |
|
·
Data are raw,
unorganized facts that need to be processed which have no meaning. ·
Data measured in bits and bytes. ·
Data never depends on information. ·
E.g.: Ram, student, 20, etc. |
·
Information is processed or organized data that has
meaning and context for its users. ·
Information is measured in meaningful units like
time, quantity, etc. ·
Information is dependent on data. ·
E.g. “Ram
is a student. He is 20 years old.”, is information that gives a complete
sense. |
g)
What is
DBMS? Write any four software of DBMS.
Ans: DBMS
is a software that manages databases, allowing users to store, access, and
manipulate data in an organized and secure way.
Any
four software of DBMS
are : MS-Access, Oracle, Fox pro, dBase etc.
h)
What is data
sorting? List any two advantages of using it.
Ans: Sorting refers to
the process of organizing data in a specific order (ascending or descending)
based on one or more fields in a table, query, or report.
Any two
advantages of using it are:
Sorting helps to
organize data and make it easier to find and retrieve specific information.
Sorting can save time and improve efficiency by
allowing users to quickly access the data they need
i)
What is
Form? Write down the importance of form.
Ans:
Form is a database object that provides a graphical interface for users to
view, enter, and edit data from one or more tables, queries, or other data
sources.
The
importance of forms are:
Forms
provide an easy-to-use interface for data entry and manipulation, improving
data accuracy and completeness.
Forms
enable users to customize the look and feel of data input screens
Write down the output of the given
program :
DECLARE SUB result ( )
CALL result
END
SUB result
FOR i = l TO 9 STEP 2
sum=sum+i^2
NEXT i
PRINT sum
END SUB
Dry Run
|
i |
sum=sum+i^2 |
Print sum |
|
1 |
0+1^2=1 |
165 |
|
3 |
1+3^2=10 |
|
|
5 |
10+5^2=35 |
|
|
7 |
35+7^2=84 |
|
|
9 |
84+9^2=165 |
|
Output of the program is:
165
6. Re-write the given program after
correcting the bugs: 2
DECLARE SUB VOLUME (l,b,h)
CLS
INPUT "ENTER length, breadth
& height";l, b, h
EXECUTE VOLUME
SUB VOLUME(l,b,h)
V=lxbxh
PRINT "The volumeis";V
END FUNCTION
Debugged Program
DECLARE SUB VOLUME (l,b,h)
CLS
INPUT "ENTER length, breadth
& height";l, b, h
CALL VOLUME (l, b, h)
END
SUB VOLUME(l,b,h)
V=l*b*h
PRINT "The volume is";V
END SUB
7) Study the following program and
answer the following questions: (2x
1=2)
DECLARE FUNCTION NUM(N)
INPUT N
S = NUM(N)
PRINT S
END
FUNCTION NUM(N)
X = INT(17/N)
Y =15 MOD N
NUM = X + Y
END FUNCTON
i. What is the name of function used
in above program?
Ans: The name of function used in
above program is NUM ( ).
ii. List the mathematical function
used in above program.
Ans: The mathematical function used
in above program is INT ( ).
Group-C
(Long Questions-16 Marks)
8. Convert or Calculate as per the
instructions: (4x1=4)
i)
(1010101)2= (?)10 ii) (AE7)16=(?)2
iii) (1111)2 × (101)2 – (1000)2 iv) (1111) ¸ (11)
9. a . Write a program in Q-BASIC
that asks length, breadth & height of cuboid & calculate its TSA &
Volume. Create a Sub procedure to calculate TSA and function procedure to
calculate volume.) [ Hint:- TSA =2pr (r + h) & V= pr2h]
DECLARE SUB TSA (R, H)
DECLARE FUNCTION VOL(R, H)
CLS
INPUT “Enter Radius”; R
INPUT “Enter Height”; H
CALL TSA(R, H)
PRINT “Volume of cuboid=”; VOL(R, H)
END
SUB TSA(R, H)
T=2*3.14*R*(R+H)
PRINT “Total Surface Area of Cuboid=”;
T
END SUB
FUNCTION VOL(R, H)
VOL=3.14*R^2*H
END FUNCTION
b) A sequential datafile called
'STUDENT.DAT' contains NAME, CLASS,SECTION & ADDRESS fields. Write a
program to display all the contents of that datafile.
OPEN “STUDENT.DAT” FOR INPUT AS #1
CLS
PRINT “NAME”, “CLASS”, “SECTION”, “ADDRESS”
WHILE NOT EOF(1)
INPUT #1, N$, C, S$, A$
PRINT N$, C, S$, A$
WEND
CLOSE #1
END
10. Write a program in C-Language to
find the area of four walls. 4
{Hint:- A = 2h(l+b)}
#include<stdio.h>
#include<conio.h>
int main()
{
int l,b,h,a;
printf("Enter length: ");
scanf("%d", &l);
printf("Enter breadth: ");
scanf("%d", &b);
printf("Enter height: ");
scanf("%d", &h);
a=2*h*(l+b);
printf("Area of four walls= %d", a);
return 0;
}
(OR)
Write a program in C-Language that
asks a number and check whether it is even or odd.
#include<stdio.h>
#include<conio.h>
int main()
{
int n;
printf("Enter any number: ");
scanf("%d", &n);
if(n%2==0)
printf("%d is even number", n);
else
printf("%d is odd number", n);
return 0;
}
BEST OF LUCK
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