Question

PC 3
Symbol No: .....
CHOD
Date: 2076-10-15 7:30am
PABSON
SEE PRE BOARD EXAM-2076
Subject: Opt. II Computer Science
Full Marks: 50
Time: 1:30mins.
Candidates are required to write their answers according to the
instructions given.
Sopage
Attempt all questions.
Group 'A'
[Fundamentals - 22 marks]
1. Answer the following question:
(5x2=10)
a) Define network topology. Write any two advantages and
disadvantages of computer network.
b) Explain WWW. - Page 18
c) How can software prevent data loss? - 30 pare
d) Write down the role of multimedia technology in classroom. /
e) List any four steps taken to protect a computer from a virus.
2. a) Perform the following Binary calculation:
(2x1=2)
i) (101101) + (1111)-(10111) ii) 101101-101
b) Perform as indicated:
(2x1=2)
i) (305)g into Decimal ii) (CAF)16 into Binary
3. Select the correct answer:
(4x0.5=2)
------- is the main line of defense between a local network,
or intranet, and the Internet.
i) USB port. ii) Encryption key iii) Firewall V) None
--------- is someone who uses a computer and a network
Internet connection to intrude into another computer of system to
perform an illegal act.
i) Programmer ii) Hacker iii) Terroristiv) Spammer
--------- means any kind of multi way communication carried
out in real time using telecommunication or computer network
equipment:
i) Video Conferencing ii) Data Conferencing
iii) Teleconferencing iv) Serial Conferencing
d) Each computer on the Internet has a unique address called a(n) --
a)
0
i) domain name și) protocol address
ii) IP address iv) URL​

Answer 1

Answer:

is it ur question paper ??...if yes then u r asking answer or taking our test ?