Shree Gauri
Shankar Higher Secondary School
Nijgadh-8, Bara
Final Terminal Examination -
2072
Subject : Computer Science
Class: 7 (Seven) Time: 1:30 hrs
F.M/P.M-75/24
1. Answer the following questions (any
eight):
|4x8=32|
a) Who is known as the father of
computer? List his inventions.
b) List any four features of the Fourth
generation computers.
c) List the types of computer on the
basis of task.
d) What is language processor software?
List the different types of language processor software.
e) What is information and communication
technology ? List the ICT tools.
f) List the four common destructive task
of computer viruses.
g) What is antivirus? List any four
antivirus software.
h) List any four advantages of computer
network.
i)
What
is internet ? list it services.
j)
What
web browser? List any two web browser.
2. Write the full
form of the following: |1x5=5|
i. URL ii.
ISP iii.
IC iv. VLSI v. IBM
3. State whether the
following statements are true or false: |6|
a)
Pascaline
was invented by Charles Babbage .
b)
The
fifth generation computer will have artificial intelligence.
c)
Digital
computer can measure altitude of a mountain.
d)
Operating
system is used to create a document.
e)
Utility
software takes care and maintains a computer.
f)
A
computer virus can hide itself in other host file.
4. Fill in the
blanks:
|6|
a)
Google
chrome and windows Internet Explorer are _____ .
b)
_____is
the sending and receiving mail through computer.
c)
Seismograph
is an example of _____ computer.
d)
No
application software can run without _____ software.
e)
Hiding
and _____ are two common characteristics of all the viruses.
f)
Software
that detects and removes viruses is known as _____.
5. Write the
technical term for each of the following statement: |4|
a)
A
network of networks.
b)
A
device that converts digital signal into analog signal and vice versa.
c)
The
moral principles that should be followed by all the computer users.
d)
A
destructive program that disrupts the normal functioning of a computer.
6. Match the following: |5|
Group A Group B
Antivirus Network within a city.
LAN Kaspersky
MAN Network
within a room or building.
WAN Service
of the Internet.
WWW Largest
network of computers.
7. Perform the
following binary calculation. |2|
i) 11001+10101 ii) 10110-1101
8. Convert the
following as indicated |2|
i)
(123)10 into binary ii) (1010)2 into decimal
.
9. Write the
algorithm and draw flowchart to
calculate area of a rectangle.
|2+2=4|
10. Write short notes
on : (any two) |2x2=4|
(a) Computer Network (b)
Computer virus (c) E-mail
8. Write down the
steps to perform the following task (any two) :|2x2.5=5|
a) To open a new document.
b) To make text Italic.
c) To check spelling and grammatical errors.
¯¯¯¯¯Best of Luck ¯¯¯¯¯
