2nd Class General Knowledge Transport and Communication / परिवहन एवं संचार Notes - Transport and Communication

Transport and Communication

Interesting Facts

•            Compressed Natural Gas (CNG) is considered less harmful for the environment.  

MEANS OF TRANSPORT

Means of transport help us to move from one place to another. There are three means of transport.

(A) Land Transport

Vehicles such as cycles, rickshaws, scooters, motorcycles, cars, trucks, trains, etc. move on land only. These are known as land transport. Land transport are used to move g from one place to another or even from one city to another.

(B) Water Transport

Vehicles such as boat, ships, steamer, submarine, yatch, of etc. can move in water only. These are known as water transport.

(C) Air Transport

Vehicles such as aeroplane, helicopter, jet planes, etc., can move in air only. These are known as air transport. Air transport is the fastest means of transport. They cover long distances in short time. This mode of transport is most expensive.

Do you know?

•              Dr. Martin Cooper invented the first mobile phone on 3rd April, 1973.

 MEANS OF COMMUNICATION

Do you feel happy when you receive a card or an e-mail wishing you 'Happy birthday'?

Communication means sending or receiving messages. There are many ways by which we can communicate with people living in other places.

(A) By Post

A letter is a popular means of communication. We can buy inland letters and postcards from a post office. We can write our messages in them and then drop them in the post box. They reach our friends and relatives in a few days. Letter is the cheapest means of transport.

Urgent letters can be sent through speed post or by courier.

(B) Telephone Service

The telephone is the fastest means of communication. We use a telephone to talk to our friends living within the city, in other cities and even in other countries. These days mobile phones are very popular. They are also used to send text messages and pictures. The fax is used to send a written message, a letter or a photograph to someone instantly.

(C) Computers

Computers have become an important means of communication. Electronic moil (e-mail) and Internet are very fast and popular means of communication nowadays.

(D) Mass Communication

Sometimes we need to communicate with a large number of people at the same time. We can do so through newspapers, radios or televisions. These are called means of mass communication.