internet ppt

Welcome To The World Of Internet

PRESENTED BY- GURPREET

SINGH PRADEEP

KUMAR AKASHDEEP

SINGH PRABHJEET

SINGH

PRESENTATION OF INTERNET

Presented To-Manraj Sir

NETWORKTYPES OF NETWORKSTRANSMISSION MODESTYPES OF TRANSMISSION MODES INTERNETHISTORY OF INTERNETWHAT IS WORLD WIDE WEBADVANTAGES AND DISADVANTAGES OF

INTERNET

CONTENTS

A network consists of two or more computers that are linked in order to share resources (such as printers and CDs), exchange files, or allow electronic communication

WHAT IS NETWORK?

LAN (Local Area Network)

MAN(Metropolitan Area Network)

WAN(Wide Area Network)

TYPES OF NETWORKS

LAN (LOCAL AREA NETWORK)

MAN(METROPOLITAN AREA NETWORK)

WANWIDE AREA NETWORK

• The term transmission mode defines

the direction of flow of information between two communication devices

i.e it tell the direction of signal flow between two devices

TRANSMISSION MODE

Simplex transmission mode

Half duplex transmission mode

Full duplex transmission mode

TYPES OF TRANSMISSION MODE

HALF DUPLEX TRANSMISSION MODE

A network of networks, joining many government, university and private computers together and providing an infrastructure for the use of E-mail, bulletin boards, file archives, hypertext documents, databases and other computational resources.

WHAT IS INTERNET?

HISTORY OF INTERNETThe Internet, then known as ARPANET, was

brought online in 1969 under a contract let by the renamed Advanced Research Projects Agency (ARPA) which initially connected four major computers at universities in the southwestern US (UCLA , Stanford Research Institute, UCSB, and the University of Utah).

CHARLEY CLINE was the first man who use ARPANET first time on Oct 29 , 1969.

DIAL UP CONNECTIONS

Dial-up connections are the most common type of Internet connection available from ISPs. They are also the slowest and usually less cost A dial-up connection allows us to connect the Internet through a local server using a Standard 56k modem.

TYPES OF INTERNET CONNECTIONS

CABLE CONNECTIONS

One of the best types of internet connection available to the home user is cable connection, they offer very fast speed and reliable connections with a fixed monthly fee.

Cable Modem Broadband connection through an ordinary coax cable through your digital cable provider is the easiest and most common way to connect to the Internet at high speeds.

SATELLITES This type of connection is most expensive

alternative for getting a high-speed connection to the Internet. If user lives in a rural area or a spot where other options are not available, then this is probably users only hope for a high-speed connection. These come in two varieties, 1-way and 2-way. One-way satellites are like television receivers: they only accept signals.

WWW stands for World Wide Web

Developed in 1992,'the World Wide Web (www) is a means to exchange information on the internet . It uses a program known as a browser.

WHAT IS WWW

WWW is data , text or anything which we see on the internet is WWW.

Internet is hardware like cables ,monitor, satellite, switches is INTERNET.

DIFFERENCE BETWEEN WWW & INTERNET

There are many different applications of the internet used commonly across the world. The most common names are the JAVA, JAVA script and the Flash.

The flash is required for the animated videos and pictures

APPLICATIONS OF INTERNET

MOST RATED SITES IN THE WORLD

The internet became a network of networks constantly expanding and accelerating in all dimensions.

Now at least 10 million Web pages are added to net everyday.

Web pages are not invented until Tim Berners- Lee came along in 1989.But in little over 17 years the number of Web pages has zoomed to nearly 60 billion

THE INTERNET… EXPLODED

As the internet become part of us so let’s discuss its advantages but we not discuss at length.

It provide us fast and easy communication.

Its cheap.The main advantage

of internet is its quickness to find the result what we search .

ADVANTAGES OF INTERNET

It is not “Truthful” .

Acquire the wrong information.

No sensible resources and knowledge.

DISADVANTAGES OF INTERNET

ONLINE SHOPPING- Buy items from internet without leaving your home using online shopping sites.

WATCHING VIDEOS-We can watch video from YouTube .

RESEARCH-We can search everything what we want to search on internet.

WHY INTERNET IS USED?

INTERNET GROWTH

1977: 111 hosts on Internet 1983: 562 hosts1984: 1,000 hosts1986: 5,000 hosts1987: 10,000 hosts1989: 100,000 hosts1992: 1,000,000 hosts2002: over 200 million hostsBy 2011, about 90% of the planet will be on

the Internet

INTERNET GROWTH TRENDS

NOW INTERNET IS IN OUR HAND

.

THANK U TO ALL