Please enable JavaScript.
Coggle requires JavaScript to display documents.
LU 4 : THE INTERNET & WORLD WIDE WEB (PART 1) (INTERNET SERVICES…
LU 4 : THE INTERNET & WORLD WIDE WEB
(PART 1)
DEFINITION
Internet: a network
WWW: a collection of electronic documents
DATA MOVEMENTS ON THE INTERNET
Protocols
Hypertext Transfer Protocol(HTTP)
File Transfer Protocol
Transmission Control Protocol/Internet Protocol (TCP/IP)
IP - routes data packets to the correct destination address
IPv4
IPv6
TCP - breaks files & messages into individual units called packets
Email Protocols
SMTP - used to send emails
IMAP - used to receive emails
CONNECTING TO THE INTERNET
wired technology
Digital subscriber line
Fiber to the Premises
Cable internet service
wireless technology
Mobile broadband
Fixed wireless
Wireless Fidelity(Wi-Fi)
Satelite internet service
WWW
browser: an application that enables users with an Internet connection to access & view webpages on a computer or mobile devices
home page: first page that a website display
website: a collection of related webpages & associated items
web address
example: http: //www.nps.gov/history / places.htm
http(protocol)
www (host name)
nps.gov (domain name)
history (path)
places.htm (webpage name)
webpage: each electronic document on the Web
INTERNET SERVICES
Online discussion
VoIP
Internet messaging
FTP (file transfer protocol)
Email
Chat rooms
STANDARDS & COORDINATION
Internet Corporation for Assigned Numbers & Names
Internet Engineering Task Force
The internet society
Internet Architecture Board