Page 116 - Viva ICSE Computer Studies 8 : E-book

3. _______________ is a type of cable used in local area network.
(a) Ethernet (b) Fibre-optic (c) Cable (d) Coil

4. Baseband coaxial cable is a _______________-ohm cable.
(a) 50 (b) 70 (c) 60 (d) 90

5. A _______________ is a physical path through which the message travels from the sender to
the receiver.
(a) medium (b) protocol (c) message (d) sender

D. Name the following.
1. A device that sends a message ______________

2. An example of personal area network ______________
3. An example of metropolitan area network ______________

4. The process of connecting two networks using diff erent protocols ______________
5. The fi rst page of a website ______________

E. Answer the following questions.

1. What is a computer network?
2. Explain how HTTP works.
3. Explain diff erent benefi ts of networking.
4. Diff erentiate between LAN and MAN.
5. Explain any two wired mediums.

Building Values and Life Skills

Priya has been asked to set up the network of her school. Which type of network will you
recommended her to use in school for sharing data?

Testing Knowledge

Rahul and Shazia are sharing the data using a bluetooth. Shazia moves out of the range that bluetooth
off ers for sharing. Will Shazia continue receiving the data? Give reason for your answer.

Linking Knowledge

Physics: Consider that 25 mb of data is transmitted in the duration of 5 seconds. How will the band
width be expressed for this transmission?

Lab Fun

Visit a computer lab of your school and have a look at the network of your school. Identify the
networking devices and types of networks used in your school network.
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