Class-07
| Computer Technology | Chapter - 2 | Computer Network
Answer the Following
questions | By : Ashok Roshan
Q1. What is Computer Network? Writes
its two advantages and disadvantages.
Ans:
A Computer Network is a collection of
computers connected together for sharing information and hardware, software
resources.
Advantage
of computer network
i)
Resource sharing.
ii)
Security
iii)
Speed
iv)
Cost efficient
Disadvantage
of computer network
i)
if network stops operating then the computer connected to the network can not
performed task.
ii)it
becomes difficult to manage number of computers on a network.
Q2. What is the difference between
server and workstation?
Ans:
|
Server |
Workstation |
|
1. A server is a computer
that manages the network resources, software and files. |
1. A Workstation is
a computer intended for individual use in a networking environment. |
|
2. It is normally dedicated,
that is it performs no other task besides the allocated task. |
2. It is like a
personal computer except that it is connected to other computers as well as
to the main computer. |
Q3. Define the following:
Ans:
i.
LAN: - Local area Network implemented over a relatively small area like connecting
computers within a single building.
ii.
MAN: -Metropolitan Area Network connects smaller networks around a town or
city. It is smaller than WAN but larger than LAN.
iii.
WAN: - Wide Area Network is a geographically dispersed telecommunications
network.
iv.
Internet:- Internet is the biggest network of computers connecting billions of
networks together across the globe.
Q4. Difference between Bus and Star
Topology.
Ans:
|
Bus Topology |
Start Topology |
|
1. It is popular for
earlier networking. |
1.It is most popular
now a days networking |
|
2. It is easy to setup and expensive. |
2. It is easy to setup and relatively cheap. |
|
3. All devices in this topology connected using single
cables. |
3. All devices in this topology connected using separate
cables. |
|
4. No any central devices required. |
4. Each computer connected with central devices. |
Q5. What is Bluetooth Technology?
Ans:
Bluetooth Technology is wireless communication media uses the radio wave which
is not very expensive and has low power consumption.
In
Bluetooth Technology eight devices can be connected to each other at the same
time.
