internet Flashcards
a global network connecting millions of computers
internet
the combination of all the linked
computer networks world wide
internet
meaning of internet
International Network or Interconnected Network
‘a network of networks’
internet
He defines the network protocol and breaks
the independent self-contained networks,
forms TCP/IP
VINT CERF
(father of Internet)
VINT CERF
He created the world wide web in 1991
TIM BERNERS-LEE
(created the www)
TIM BERNERS-LEE
Invents email program in 1971
RAY TOMLINSON
Introduce the use of “@” symbol
RAY TOMLINSON
is a communications protocol used to
transfer digital data around the internet..
Transmission/Transfer Control Protocol/Internet
Protocol
operates on gateway
machines that move data from department to
organization to region and then around the world.
IP(Internet Provider) - IP
is responsible for verifying the correct
delivery of data from client to server. Data can be
lost in the intermediate network.
adds support
to detect errors or lost data and to trigger
retransmission until the data is correctly and
completely received.
TCP -
2 Ways to Access Internet
ISP
COS
2 Ways to Access Internet
it offers directed access to the Internet and provides the software that you need to get on-line (all at fast speed)
ISP (Internet Services Provider)
2 Ways to Access Internet
a company to help to connect or log-on to the internet
ISP (Internet Services Provider)
2 Ways to Access Internet
accessing the net through these services is typically more expensive and slower than getting a direct Internet account through an Internet Service Provider
Ex: HK Commercial Online
COS (Commercial On-line Services)
2 Ways to Access Internet
access from the other country
COS (Commercial On-line Services)
Requirements to Access the Internet
- Computer (cellphone, ipad, laptop & etc)
- Modem, LAN, Wificard (wireless fidelity)
- ISP (smartbro, DSL & etc
- Internet Browser (google chrome, opera, etc)
Converts waves to data (MODULATOR) and vice versa (DEMODULATOR)
MODEM
device used for connecting two computers via a telephone line
MODEM
A simple text message that you type at your keyboard and send to another user on the network.
E-mail (Electronic Mail)
SMTP MEANING
(Short Message Transfer Protocol)
term used to describe the tool which allows one computer user to send a message to one or more other computer users over a computer network in a digital form.
can be sent internally to members of an organization through their internal computer network or they can be sent externally to anyone in the world by using the network of computer networks that make up the
tells the location or type of address that provides specific information about the location
DOMAIN
A Web browser is the software program that you use to view WWW pages.
WEB BROWSER
Is a string of characters that points to a specific piece of information anywhere on the web.
URL
It is an address pointer to hypermedia documents available on the web.
URL
a set of communication rules for exchanging info. That allow browser to connect with web servers
Protocol
– location of the web site
Web server name
the name on the server for the directory or folder from which you need to pull the file.
Directory Name
particular page or document that you are seeking
Filename & Extension
a software that searches a database and gathers and reports information that contains specified terms
SEARCH ENGINES
NAME OF THE WEBSITE’S SUBDIRECTORY OR SUBFOLDER
Path
