IN the past two decades personal computer have played a significant role in our every day lives. With the growth in popularity and networking of computers ,intercommunication between different computers have became easier which led to the phenomenon called internet.
The word internet derived from two words interconnection and networks .also referred to as' the NET ‘.Internet is a worldwide system of computer networks that is network of network, which allows user s to share the information on those linked computers
It consist of thousands of separately administered networks of various sizes and types this is high level of connectivity encourages an unparallel degree of communication resource sharing and information access
THE WORLD WIDE WEB CONSIST IF FILES CALLED PAGES OR WEB PAGE WHICH CONTAIN INFORMATION AND LINKS TO RESOURCE THROUGHOUT THE INTERNET
THESE WEBPAGE ARE LINKED TOGETHER THROUGH A SYSTEM OF CONNECTION (CALLED HYPERLINKS , HYPERTEXT LINKS OR LINKS)
WEB PAGE IS AN ELECTRONIC DOCUMENT WRITTEN IN A COMPUTER LANGUAGE CALLED HTML (HYPERTEXT MARKUO LANGUAGE)
A WEBSITE IS A SET OF RELATE (LINKED THROUGH HYPER TEXT LINKS) WEBPAGES ,PUBLISHED BY AN ORGANISATION OR AN INDIVIDUAL NORMALLY A WEBSITE CONTAINS HOMEPAGE ALONE WITH THE ADDITIONAL WEB PAGE ,EACH WEBSITE IS OWNED AND UPDATE BY AN INDIVIDUAL ,COMPANY, ORGANISATION.
IT IS AN AREA ON THE WEB EWHICH IS ACCESSED BY ITS OWN ADRESS (KNOWN AS URL)
NOTE THAT THE QUALITY DETAIL AND STYLE OF WEB SITE VERY ENORMOUSLY DEPENDING ON HOW IT IS DESGINED
WHEN YOU BROWSE THE WORLDWIDE WEB ,YOU WILL OFTEN SEE THE TERM “HOMEPAGE” A HOMEPAGE IS THE STARTING POINT OR A DOORWAY TO THE WEBSITE
A BROWSER IS A COMPUTER PROGRAM THAT ACCESS EB PAGES AND DISPLAYS THEM ON THE COMPUTER SCREEN .IT IS BASIC SOFTWARE THAT IS NEEDED TO FIND RETRIEVE VIEW AND SEND INFORMATION OVER THE INTERNET
IN FACT TO ACCESS THE WOLD WIDE WEB THE USER REQUIRES A WEB BROWSER THE MOST POPULAR BROWSER ARE MICROSOFT INTERNET EXPLORER AND NETSCAPE NAVIGATOR
BROWSER ARE TWO TYPES
GRAPHICAL
GRAPHICAL BROWSER allow retrieval of text ,images, audio, and video, .navigation is accomplished navigator and internet explorer are graphical browser
TEXT
TEXT BROWSER PROVIDE ACCESS TO THE WEB IN TEXT –ONLY MODE .NAVIGATION IS ACCOMPALISHED BY HIGHLITING EMPHASISED WORDS ON THE SCREEN WITH THE ARROW UP AND DOWN KEYS ,AND THEN PRESSING THE ENTER KEYS TO FOLLOW THE LINK .
LYNX IS AN EXAMPLE OF TEXT BROWSER
NOW THAT U ARE AWARE BASIC INTERNET TERMS LET US SIFT OUR FOCUS ON HOW TO GET CONNECTED TO INTERNET THE CASIC REQUIREMENT FOR GETTING ONLINE ARE:
ATCP/IP (Transmission control protocol/internet protocol) enabled computer with a web browser
An account with ISP (Internet Service Provider)
A telephone line plugged to a suitable socket
A modem to connect the computer to the telephone line
The internet is bunch of computer linked together through a network so computer user in different location can have access to the same information most of the home user make use of a modem linking their computer to an ISP
INTERNET APPLICATION
WORLD WIDE WEB(WWW)
ELECTRONIC MAIL(E-MAIL)
TELENET
INTERNET RELAY CHAT(IRC)
CHATTING AND INSTANT MESSAGE
VIDEO CONFERENCING
COMMERCE THROUGH NET(E-COMMERCE)
TYPES OF INTERNET
The modem must be connected to a telephone line to access the web ,however ,modems do need a special telephone line .most people use their regular phone line to connect to the internet .
Apart from a normal telephone line ,you could also use other channels to connect to the web .some of the other common types of internet access ,available for the users these days are listed below
CABLE MODEM
ISDN (INTEGREATED SERVICES DIGITAL NETWORK)
LEASED LINE
DSL(DIGITAL SUBSCRIBER LINE)
SATELLITE BROADBAND
COMPUTER NETWORKING
COMPUTER NETWORK IS A COLLECTION OF TWO OR MORE COMPUTERS , WHICH ARE CONNECTED TO SHARE INFORMATION AND RESOURCES COMPUTER IS A NETWORK ARE INTERCONNECTED BY TELEPHONE LINES COAXIL ,CABLES, SATELLITE, LINKS. RADIO OR SOME OTHE COMMUNICATIN TECHNOQUE
A NET WORK CAN BE AS FEW AS SEVERAL PERSONAL COMPUTER ON A SMALL NETWORK OR AS LARGE AS THE INTERNET ,A WORLD WIDE NETWORK OF COMPUTERS
TODAY WHEN TALKING ABOUT THE NETWORK ARE GENERALLY REFERRING TOTHREE PRIMARY CATEGORIES :
LOCAL AREA NETWORK(LAN),
METROPOLITIAN AREA NETWORK (MAN),
AND WIDE AREA NETWORK(WAN)
THESE CATEGORIES ARE DEFINED DEPENDING UPON VARIOUS FACTOR LIKE THE SIZEOF THE NETWORK ,THE DISTANCE IT COVERS, AND THE TYPE OF LINKED IS USED IN INTERCONNECION
The word internet derived from two words interconnection and networks .also referred to as' the NET ‘.Internet is a worldwide system of computer networks that is network of network, which allows user s to share the information on those linked computers
It consist of thousands of separately administered networks of various sizes and types this is high level of connectivity encourages an unparallel degree of communication resource sharing and information access
THE WORLD WIDE WEB CONSIST IF FILES CALLED PAGES OR WEB PAGE WHICH CONTAIN INFORMATION AND LINKS TO RESOURCE THROUGHOUT THE INTERNET
THESE WEBPAGE ARE LINKED TOGETHER THROUGH A SYSTEM OF CONNECTION (CALLED HYPERLINKS , HYPERTEXT LINKS OR LINKS)
WEB PAGE IS AN ELECTRONIC DOCUMENT WRITTEN IN A COMPUTER LANGUAGE CALLED HTML (HYPERTEXT MARKUO LANGUAGE)
A WEBSITE IS A SET OF RELATE (LINKED THROUGH HYPER TEXT LINKS) WEBPAGES ,PUBLISHED BY AN ORGANISATION OR AN INDIVIDUAL NORMALLY A WEBSITE CONTAINS HOMEPAGE ALONE WITH THE ADDITIONAL WEB PAGE ,EACH WEBSITE IS OWNED AND UPDATE BY AN INDIVIDUAL ,COMPANY, ORGANISATION.
IT IS AN AREA ON THE WEB EWHICH IS ACCESSED BY ITS OWN ADRESS (KNOWN AS URL)
NOTE THAT THE QUALITY DETAIL AND STYLE OF WEB SITE VERY ENORMOUSLY DEPENDING ON HOW IT IS DESGINED
WHEN YOU BROWSE THE WORLDWIDE WEB ,YOU WILL OFTEN SEE THE TERM “HOMEPAGE” A HOMEPAGE IS THE STARTING POINT OR A DOORWAY TO THE WEBSITE
A BROWSER IS A COMPUTER PROGRAM THAT ACCESS EB PAGES AND DISPLAYS THEM ON THE COMPUTER SCREEN .IT IS BASIC SOFTWARE THAT IS NEEDED TO FIND RETRIEVE VIEW AND SEND INFORMATION OVER THE INTERNET
IN FACT TO ACCESS THE WOLD WIDE WEB THE USER REQUIRES A WEB BROWSER THE MOST POPULAR BROWSER ARE MICROSOFT INTERNET EXPLORER AND NETSCAPE NAVIGATOR
BROWSER ARE TWO TYPES
GRAPHICAL
GRAPHICAL BROWSER allow retrieval of text ,images, audio, and video, .navigation is accomplished navigator and internet explorer are graphical browser
TEXT
TEXT BROWSER PROVIDE ACCESS TO THE WEB IN TEXT –ONLY MODE .NAVIGATION IS ACCOMPALISHED BY HIGHLITING EMPHASISED WORDS ON THE SCREEN WITH THE ARROW UP AND DOWN KEYS ,AND THEN PRESSING THE ENTER KEYS TO FOLLOW THE LINK .
LYNX IS AN EXAMPLE OF TEXT BROWSER
NOW THAT U ARE AWARE BASIC INTERNET TERMS LET US SIFT OUR FOCUS ON HOW TO GET CONNECTED TO INTERNET THE CASIC REQUIREMENT FOR GETTING ONLINE ARE:
ATCP/IP (Transmission control protocol/internet protocol) enabled computer with a web browser
An account with ISP (Internet Service Provider)
A telephone line plugged to a suitable socket
A modem to connect the computer to the telephone line
The internet is bunch of computer linked together through a network so computer user in different location can have access to the same information most of the home user make use of a modem linking their computer to an ISP
INTERNET APPLICATION
WORLD WIDE WEB(WWW)
ELECTRONIC MAIL(E-MAIL)
TELENET
INTERNET RELAY CHAT(IRC)
CHATTING AND INSTANT MESSAGE
VIDEO CONFERENCING
COMMERCE THROUGH NET(E-COMMERCE)
TYPES OF INTERNET
The modem must be connected to a telephone line to access the web ,however ,modems do need a special telephone line .most people use their regular phone line to connect to the internet .
Apart from a normal telephone line ,you could also use other channels to connect to the web .some of the other common types of internet access ,available for the users these days are listed below
CABLE MODEM
ISDN (INTEGREATED SERVICES DIGITAL NETWORK)
LEASED LINE
DSL(DIGITAL SUBSCRIBER LINE)
SATELLITE BROADBAND
COMPUTER NETWORKING
COMPUTER NETWORK IS A COLLECTION OF TWO OR MORE COMPUTERS , WHICH ARE CONNECTED TO SHARE INFORMATION AND RESOURCES COMPUTER IS A NETWORK ARE INTERCONNECTED BY TELEPHONE LINES COAXIL ,CABLES, SATELLITE, LINKS. RADIO OR SOME OTHE COMMUNICATIN TECHNOQUE
A NET WORK CAN BE AS FEW AS SEVERAL PERSONAL COMPUTER ON A SMALL NETWORK OR AS LARGE AS THE INTERNET ,A WORLD WIDE NETWORK OF COMPUTERS
TODAY WHEN TALKING ABOUT THE NETWORK ARE GENERALLY REFERRING TOTHREE PRIMARY CATEGORIES :
LOCAL AREA NETWORK(LAN),
METROPOLITIAN AREA NETWORK (MAN),
AND WIDE AREA NETWORK(WAN)
THESE CATEGORIES ARE DEFINED DEPENDING UPON VARIOUS FACTOR LIKE THE SIZEOF THE NETWORK ,THE DISTANCE IT COVERS, AND THE TYPE OF LINKED IS USED IN INTERCONNECION