Class-07 | Computer Technology | Chapter - 2 | Computer Network

 

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.