Short notes on Email and other
Q-4 Write short notes on
o
Net etiquette
Netiquette
is a combination of the words network and etiquette, and is defined
as a set of rules for acceptable online behavior. Similarly, online ethics
focuses on the acceptable use of online resources in an online social
environment.
o
Email
Email is short for 'electronic mail'.
Similar to a letter, it is sent via the internet to a recipient. An email
address is required to receive email, and that address is unique to the user.
Some people use internet-based applications and some use programs on their
computer to access and store emails
o
WWW
The World Wide Web (WWW) is combination of all resources and users on the
Internet that are using the Hypertext Transfer Protocol (HTTP).
Tim Berners-Lee is
the inventor of the Web and the director of the W3C” The World Wide Web is the
universe of network-accessible information, an embodiment of human
knowledge." In 1989, Berners-Lee began work on the first World Wide
Web server at CERN
o
Client and Server
The Client–Server model
of technology is a distributed application structure that segmentation tasks or
workloads between the providers of a service, called servers, and service
requester, called clients.
Client/server model can be used
by programs within a individual computer, it is a more essential concept for
networking. In this case, the client set up a connection to the server over a
local area network (LAN) or wide-area network (WAN), such as the
Internet.
Examples of computer applications
that use the client–server model are :
·
Email
·
network
printing
·
World
Wide Web
o
Host and Terminal
Host is the computer or
other device connected to a computer network that delegates to the other nodes. A network host handles user requests; offering services,
software applications, and information resources to users or other nodes within
the network.
A host serves many different purposes, for example, it may be responsible for
sending information to players in an online computer game or for serving users a web page on the Internet
Terminal is a term used to describe
a group of hardware devices
that commonly consists of a keyboard and
a monitor that
enables a user to communicate with the internal CPU or another network device or computer. For example, a
network administrator may use a terminal to log in to a network and manage
devices connected to the network.
o
Internet v/s Intranet
The Internet is an open, public space, while an intranet is designed to be a private space. An intranet may be
accessible from the Internet, but as a rule it’s protected by a password and
accessible only to employees or other authorized users.
For e.g. in a company, an
intranet server may respond much more quickly than a typical Web site. This is
because the public Internet is at the mercy of traffic spikes, server
breakdowns and other problems that may slow the network. Within a company,
however, users have much more bandwidth and network hardware may be more
reliable. This makes it easier to serve high-bandwidth content, such as audio
and video, over an intranet.
o
Website / webpage/ Web-server
Website a collection of linked documents
and content associated with a single organization, person, group, or topic and
usually sharing a server and a domain name
Webpage is a single page of a website,
information only a particular topic we
define a single webpage and combination of multiple webpage is called website
Web server – A computer and network that host a website
on the internet is called web server , there are so many web server provide by
the different company like go daddy etc.
o
Network of Networks
A
group of interconnected (via cable and/or wireless) computers and peripherals
that is capable of sharing software and hardware resources between many users.
The Internet is a global network of networks.
o
Search Engines
A web search engines is a
software system that is designed to search the information on World Wide Web. There
are many search result show by the search engine related word. Many type of
search engine available on web. Some of example is Google search engine; yahoo
search engine. The information may be mix of web page, Images, Video, article
and other type of files. Some search engines also mine data available in
database or directories which is maintained by human editor.
o
Anatomy of Internet
The internet is a vast
collection of computer linked by cable and satellite, not controlled by any one
authority but all operating under common network protocol. The term ‘Internet’
include both the hardware (Satellite, cable, routing device, and computers) and
the software (programs and network protocols) that enable computers to
communicate with each other. Many types of hardware help the packet on their
way. E.G. Hube, bridge, Gateway, router,
server, client & Computer, cable and satellite communication
No Comment to " Short notes on Email and other "