Internet Training Institute in Ambala ! Batra Computer Centre

Ph. No.: 8222066670, 4000670
Email: info.jatinbatra@gmail.com
Website: www.batracomputercentre.com
BATRA COMPUTER CENTRE
ISO CERTIFIED 9001:2008

Ph. No.: 8222066670, 4000670
he Internet is a global wide area network that connects computer
systems across the world. It includes several high-
bandwidth data lines that comprise the Internet "backbone."
These lines are connected to major Internet hubs that distribute
data to other locations, such as web servers and ISPs.

Ph. No.: 8222066670, 4000670
 The Internet first came about in February 1958 in America
 A man named JCR Licklider saw universal networking as a
potential unifying evolution
 He envisioned a globally interconnected sets of computers
through which everyone could quickly access data and
programs from any site.
 Leonard Klein rock at MIT published the first paper on packet
switching theory in July 1961 and the first book on the subject
in 1964
 The internet began to grow rapidly in the 1970’s as the
knowledge pf networking was growing more and more rapidly
 It expanded further in the 1980’s as the general public were
becoming more aware of it.

Ph. No.: 8222066670, 4000670
 Over the last 50 years technology has developed in
the workplace with use of computers
 Use of computers continues to soar in the 21st century
 Humans rely on computers to perform daily routine
duties

Ph. No.: 8222066670, 4000670
 To access information , news, research and educational
material.
 To conduct business
 Sources of internet such as online games magazines etc.
 To meet & talk with people around the world in the form of
groups or chat room
 Send message and receive message from other connected
users.

Ph. No.: 8222066670, 4000670
 Dial-Up access is really just like a phone connection
 Connection through modem and a public telephone network.
 It uses analog telephone Lines
 Encoding & Decoding of analog signals is done by modem
 Using a Dial-Up line to transmit data is similar to using the
telephone to make a call
 Speed is only 56 kbps

Ph. No.: 8222066670, 4000670
 “Broadband is defined as a high bandwidth
connection to the internet. Broadband is easier
and faster to use than the traditional telephone
and modem as information can be sent and
downloaded much quicker.”

Ph. No.: 8222066670, 4000670

Ph. No.: 8222066670, 4000670
Definition
 Able to connect computers to other computers and
printers the same way a wired network is, without wires.
Features:
 Range (Depends on factors such as wireless card,
access point and obstacles in between)
 Cost (Wireless price is dependent upon the complexity
of the setup.)
 Ease of installation
 802,11 (a,b,g,n)
 Interface can be caused by cordless telephones and
microwaves
 Wireless security includes: WEP,WPA and WPA2.

Ph. No.: 8222066670, 4000670
 Email stands for ‘electronic mail’. Its is used for digitally sending
message via the internet to another user. Just like the real postal
service, an address is required in order to send mail to the right
person, this is called an ‘e-mail address’.
 It is then stored using a system called ‘store and forward’ and then
sent to the user when they next come online.
 It has been used since 1993 and has revolutionized communication
via the Internet over long distance.

Ph. No.: 8222066670, 4000670
 This stands for World Wide Web. A technical definition of
the World Wide Web is : All the resource and users on the
internet that are using the Hypertext transfer protocol
(HTTP)
 A broader definition comes from the organization that Web
inventor Tim Berners-Lee helped found, the world wide
web consortium
 The world wide web is the universe of networking-
accessible information, an embodiment of human
knowledge.
 In Simple, The world wide web is a way exchnge
information between computers on the internet, tying them
together into a vast collection of interactive multimedia
resources.

Ph. No.: 8222066670, 4000670
 Definition of Website: A website is a collection of web
pages, that is, document accessible via the World
Wide Web on the internet.
 Website are written in HTML and are accessed using
special software called web browsers.

Ph. No.: 8222066670, 4000670
WWW
 The World Wide ()www) is one of the software services
running on the internet. It is the subset of these
interactions and supports websites and Urls.
Internet:
 The Internet itself is a global, interconnected network of
computing devices. This network supports a wide verity
of interactions and communication between its devices

Ph. No.: 8222066670, 4000670
 It is the global address of documents and other
resources on the World Wide Web. For example,
www.webopedia.com is a URL. A URL is one type of
Uniform Resource Identifier (URI); the generic term for
all types of names and addresses that refer to objects
on the World Wide Web.

Ph. No.: 8222066670, 4000670
ADDRESS:
SCO -15, Dayal Bagh,
Near Hanuman Mandir
Ambala Cantt-13300, Haryana
Ph. No.: 9729666670, 8222066670 &0171-4000670
Email ID: info.jatinbatra@gmail.com

Internet Training Institute in Ambala ! Batra Computer Centre

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Internet Training Institute in Ambala ! Batra Computer Centre