Sample PDF

S U M M A T I V E SSA S S E S S M E N T
CHAPTER
UNIT-I
Basics of Information
Technology
1
INTRODUCTION TO
INTERNET
SYLLABUS


Internet : World Wide Web, Web Servers, Web Sites, Web Pages, Web Browsers, Blogs, Newsgroups, HTML, Web
Address, Email Address, URL, HTTP.
Services available on Internet : Information Retrieval, Locating sites using search engines and finding people on the
net, FTP, Downloading and Uploading files from or to remote site.
QUICK REVIEW
 Internet : Internet is a global system of interconnected computer networks that use the standard Internet
Protocol Suite (TCP/IP) to serve several billion users world wide. It is a netwrok of networks that consists
of millions of private, public, academic, business and government networks of local to global scope that are
linked by a broad array of electronic, wireless and optical networking technologies. The Internet carries an
extensive range of information resources and services, such as inter-linked hyper text document of the world
wide-web (www).
 TCP/IP : TCP/IP is actually a collection of protocols or rules, that govern the way data travels from one machine to
another across networks. The Internet is based on TCP/IP. TCP/IP has two major components : TCP and IP. TCP/
IP stands for Transmission Control Protocol / Internet Protocol.
 ISP : Any organization that provides access to the Internet is called ISP (Internet Service Provider). Internet Service
Providers worldwide offer various options and packages to the general public for Internet access. In India, Videsh
Sanchar Nigam Limited (VSNL), Mantra Online, Satyam Online, MTNL, etc. are the leading ISPs.
 FTP : FTP is a part of the TCP/IP protocol suite. File Transfer Protocol (FTP) is the name of a special set of protocols
used by computers connected over the Internet to transfer files. FTP is a powerful tool which allows files to be
transferred from “Computer A” to “Computer B”, or vice-versa. Files that are available for FTP are stored on computers
called FTP servers. An FTP client program is an interface that allows the user to locate the file(s) to be transferred
and initiate the transfer protocols.
 IP : The protocol which provides a basis for the Internet. The Internet Protocol allows data to travel in packets
that can be routed across different networks before being reassembled at their final destination.
 Numeric IP Address : Each host computer on the Internet has a unique number, called its IP address. IP addresses
are in the format xxx.xxx.xxx.xxx, where each xxx is a number from 0 to 255. IP addresses identify the host computers,
Oswaal CBSE CCE Question Bank with
complete solutions For Class 10 Term I
April to September 2015 Foundation Of
Information Technology
51%
OFF
Publisher : Oswaal Books
ISBN : 9789351274 520
Author : Panel Of Experts
Type the URL : http://www.kopykitab.com/product/5058
Get this eBook