ITFT - Modes of information
- 1. MODES OF INFORMATION The means of communica-tion help us to send our messages and ideas from one place to another. In the modern world the means of communica-tion have become very important. In old days it was very difficult to send our messages and receive messages from far off places. This sending and receiving of messages and ideas is known as communication. In modern times we can communicate with far off places easily and quickly. The means of transportation and the means of communication are closely related. They are inter-dependant. The following are the main means of communication.
- 2. • POSTS AND TELEGRAPHS TELEPHONE RADIO AND TELEVISION TELEX FAX, PAGERS, EMAIL NEWSPAPERS CINEMA KIOSK Various modes are…..
- 3. • The Government of India has a depart-ment of Posts and Telegraphs. It has thousands of post offices all over the country. The postal department carries our mail, money orders and parcels to all parts of India and the world and delivers it to our friends and relatives for whom they are meant. The mail is sent by road, rail or air. The Post and Telegraph Department is the second biggest department of the Central Government. The big cities have night post offices and mobile post offices. The mobile post offices move to different parts of the city at fixed hours. Letters are the cheapest means of communication 1..Posts and Telegraphs
- 4. • In some of the larger cities, there are special letter boxes marked QMS, meaning Quick Mail Service. From here letters reach faster but only if the address contains a PIN CODE NUMBER. This code number is different for different areas of a village, town or city. • Now-a-days, a special type of fast postal service has been introduced by the post office called SPEED POST. Another kind of service, called COURIER SERVICE is used by people to send their letters and parcels. We send urgent messages in telegrams through the Telegraph Department. Our telegrams can reach various places within a few hours. Contd…..
- 5. • Telephone is another quick means of communication. It is a great improvement over the telegraphs. The people who live far away can talk to one another as if they are sitting face to face. • Direct dialing system has been started in most of the cities and some villages in the country. - It is known as S.r.O. (Subscribers Trunk Dialing). You have to dial a Code No. allotted to a town and talk to a person on phone anywhere in India or in some other country of the world. • Telephones are connected by wires known as cables. Now we have telephones which are not connected by cables. They can work within a certain range from the telephone connection. These are called Cordless phones. This type of phone can be carried by a person in a car, or even if he / she go for a walk, 2…TELEPHONE
- 6. • Radio, television and the newspaper are mass- communicating media. Through these means we can communicate with thousands of people. There is a number of radio stations in the country. These stations broadcast radio programmes. It broadcasts news, music, plays, stories, agriculture information, speeches, advertisement and other important announcements. • Another very important means of communication is the television which provides news, information, education, music and entertainment to people. • The difference in radio and television is that it uses moving pictures to convey the message. Almost every home has a radio and television set. They bring us useful information about the latest events in the country and the world. 3...RADIO AND TELEVISION
- 7. • Both radio and television give us weather reports, timings of arrival and departure of trains and flights and special urgent bulletins. • Recently, another system of communi-cation has become very popular in cities. It is called the CABLE TV, In this the video films are shown for the entertainment of the viewers. • Different channels show different programmes. Some of the most popular channels are - Star, Zee, EL, SUN, BBC, Star Plus, Discovery, Zee Cinema, ATN and so on. Through these channels very interesting and' informative programmes from all over the world can be seen. CONTD…..
- 8. •The Telephone Department also has a 7"e/ex service through which typed messages can be sent very quickly. This method is often used by offices, airlines, Government offices and newspaper offices. 4…TELEX
- 9. • Fox sends 'Facsimile' of a printed message or picture to another machine located anywhere in any part of the world. It makes use of the telephone lines.The message is displayed on the screen. E-Mail uses computers connecting by ordinary telephone line. Electronic mo/7 card send messages to any part of the world through computers 5…FAX, EMAIL
- 10. • Newspapers, magazines and books are a good means of mass-communication. This is a print medium which travels far and wide. The newspapers have a very wide circulation and every literate person tries to go through them. They bring us the latest news, rates of the commodities, advertisements, employment news, matrimonial and many other information. 6… NEWSPAPERS
- 11. • Cinema is also a means Of mass communication. Almost every town has a cinema hall. Besides recreation, cinema is also of a great educational value. The Government has a number of mobile cinema vans. It arranges cinema shows in the rural areas and shows a number of documentary films regarding its policies and programmes. During the recent years television has gained more popularity over the cinema as means of mass-communication. In addition to the above there are some other means of communication. Hoardings and Bill-boards are sued by the Government and the Advertisers to communicate the public. 7…CINEMA
- 12. • In information technology, a kiosk (pronounced KEE-ahsk) is a small physical structure (often including a computer and a display screen) that displays information for people walking by. Kiosks are common near the entrances of shopping malls in North America where they provide shoppers with directions. Kiosks are also used at trade shows and professional conferences. The word is of Turkish and earlier Persian origin, where it meant an outdoor pavilion or a portico. The kiosks best known to travelers are those that display show and movie posters on the streets of Paris. 8…KIOSK
- 13. • an information system on the Internet which allows documents to be connected to other documents by hypertext links, enabling the user to search for information by moving from one document to another. • With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them via hyperlinks. • A technical definition of the World Wide Web is: all the resources and users on the Internet that are using the Hypertext Transfer Protocol (HTTP). …..www(world wide web)
- 14. • The Internet is a worldwide collection of networks that links millions of businesses, government offices, educational institutions, and individuals. Data is transferred over the Internet using servers, which are computers that manage network resources and provide centralized storage areas, and clients, which are computers that can access the contents of the storage areas. The data travels over communications lines. Each computer or device on a communications line has a numeric address called an IP (Internet protocol) address, the text version of which is called a domain name. Every time you specify a domain name, a DNS (domain name system) server translates the domain name into its associated IP address, so data can route to the correct computer. …..Internet
- 15. • You can access the Internet through an Internet service provider, an online service provider, or a wireless service provider. An Internet service provider (ISP) provides temporary Internet connections to individuals and companies. An online service provider (OSP) also supplies Internet access, in addition to a variety of special content and services. A wireless service provider (WSP) provides wireless Internet access to users with wireless modems or Web-enabled handheld computers or devices. • Employees and students often connect to the Internet through a business or school network that connects to a service provider. For home or small business users, dial-up access provides an easy and inexpensive way to connect to the Internet. With dial-up access, you use a computer, a modem, and a regular telephone line to dial into an ISP or OSP. Some home and small business users opt for newer, high-speed technologies. DSL (digital subscriber line) provides high-speed connections over a regular copper telephone line. A cable modem provides high-speed Internet connections through a cable television network. Ways to access Internet
- 16. • A variety of services are used widely on the Internet, including e-mail, FTP, newsgroups and message boards, mailing lists, chat rooms, and instant messaging. E- mail(electronic mail) is the transmission of messages and files via a computer network. You use an e-mail program to create, send, receive, forward, store, print, and delete messages. • FTP (File Transfer Protocol) is an Internet standard that allows you to upload and download files with other computers on the Internet. An FTP server is a computer that allows you to use FTP to upload files to, and download files from, an FTP site. With anonymous FTP, anyone can transfer some, if not all, available files. A newsgroup is an online area in which users conduct written discussions about a particular subject. The computer that stores and distributes newsgroup messages is called a news server. You use a program called a newsreader to access a newsgroup, read previously entered messages (called articles), and add …..Email……FTP