Office automation 3

1. Session3

2.  Describe the evolution of internet
 List and describe the different types of internet connections
 Explain the process of using web browser
 Describe the features of Mozilla Firefox
 Explain the features of Internet Explorer
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 2

3.  A means of connecting a computer to any other computer
anywhere in the world via dedicated routers and servers.
 When two computers are connected over the Internet, they
can send and receive all kinds of information such as text,
graphics, voice, video, and computer programs.
 Each computer in the internet is an independent entity.
 Users of these computer can send, exchange data and
information with each other through the Internet.
3Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui

4.  Dates back to late 1960’s to a project of US defense department for
wartime digital communication was named ARPANET project,
directed by Robert Taylor and managed by Lawrence Roberts.
 The ARPANET evolved during 1970 with several innovation such as
email and protocol such as TELNET and FTP.
 The global addressing system was required to enable the computers
on a network to communicate with other computer in other network.
 They gave birth to TCP/IP protocol suit.
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 4

5. Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 5
Internet
SatelliteMobileWirelessWired
Dial-up ISDN DSL Cable

6. The four Internet connections are as follows
 Wired
◦ Dial-up
 Use a telephone line to connect to the Internet.(Use Analog Signals)
◦ Integrated Services Digital Network (ISDN)
 Use a telephone line to connect to the Internet and functions like a dial-up
connection.(use Digital signals)
◦ Digital Subscriber Line (DSL)
 Use a high speed DSL modem for analog to digital and digital to analog conversion
◦ Cable
 Use a cable TV line and cable modem
 Use a coaxial cable that have grater bandwidth than telephone cables
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 6

7.  Wireless
o Make use of radio frequency bands to the Internet
o Require the device to be equipped with a Wi-Fi Adaptor
 Mobile
o Is similar to wireless connection
o Uses radio frequency to connect to the internet
o Use a mobile device such as PC data card or a Universal Serial Bus (USB) modem to
connect to the internet
 Satellite
o Allows user to access the internet geostationary satellite
o Use a satellite to act as reflectors
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 7

8. Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 8
Wired Connection Wireless Connection
Mobile Connection Satellite Connection

9.  A web browser run on the computer and helps us to access
and retrieve information from the internet
 Information available on the internet is written in Hyper Text
Markup Language (HTML) code
 The web browser converts the HTML code into a format which
is understandable by user
 Information retrieved from the internet is displayed in a web
page
 This web page is identified by the address which is called
Uniform Resource Locator (URL)
 To access the particular page users must enter the URL of
web page
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 9

10. Some of web browsers are as follows
◦ Windows Internet Explorer
◦ Mozilla Firefox
◦ Google chrome
◦ Netscape Navigator
◦ Apple Safari
◦ Opera
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 10

11. This web browser by Microsoft built-in with Microsoft windows
8 operating system and is the default browser
Features of IE10
◦ Tabs are more transparent as compared to earlier versions
◦ Scroll bar updated in IE10 to match windows 8 theme
◦ In the address bar Stop and Refresh button have been combined
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 11

12.  It is an open source and one of the popular web
browser
 It runs on the various operating systems including
Microsoft windows, GNU/Linux, and Mac OS X
 Latest version of Mozilla Firefox is 55.0
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 12

13. Most common features of Mozilla are
◦ Tabbed Browsing: viewing multiple page on a same window
◦ Download Manager: Dedicated download manager for downloading
files from internet
◦ Session Manager: Regaining access to open tabs after closing the
browser window
◦ Spell Checking: Automatic marking of incorrect spelled words
◦ Private Browsing: Browsing the internet without losing the traces in
the web browser history
◦ Live Bookmarking: Automatic availability of up-to-date information
from internet
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 13

14.  Browsing refer to the activity of searching information on the
Internet.
 Two ways of browse are as follows
◦ Browsing by Keyword
 User can search required website by suitable keyword
◦ Browsing by URL
 User can directly type the URL in address bar
 Web browser will direct them to the required website
 Use the Page Up and Page Down keys on the keyboard to
navigate with webpage.
 A webpage can contain hyperlink that allows user to view
other page with in a website.
Aptech Computer Education
Presented by: Muhammad
Ehtisham Siddiqui 14

15. A Search Engine
 Is a program that scans the internet from web pages containing keyword specified by
users
 Return a list of webpages ranked in the order of relevancy
 User can select the search engine of their choice
The most popular search engines are as follows
 Google Search
 Yahoo Search
 Bing Search
 Ask.com Search
 AOL Search
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 15

16.  Add-ons are small pieces of software that add new features
or functionality to your installation of Firefox.
 Add-ons can augment Firefox with new features, foreign
language dictionaries, or change its visual appearance.
 Through add-ons, you can customize Firefox to meet your
needs and tastes.
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 16

17. There are several kinds of add-ons that customize Firefox in
different ways:
 Extensions add new features to Firefox or modify existing
functionality. There are extensions that allow you to block
advertisements, download videos from websites, integrate more
closely with social websites, and add features you see in other
applications.
 Complete Themes change the entire appearance of Firefox, usually
including icons, colors, dialogs, and other visual styles.
 Themes are lightweight themes that use background images to
customize your Firefox toolbars.
 Search Providers add additional choices to the search box
dropdown. These providers allow you to quickly search any website.
 Dictionaries & Language Packs add support for additional languages
to Firefox.
Aptech Computer Education Presented by: Muhammad Ehtisham Siddiqui 17

18. A set of software component that help to manage content that Firefox
cannot handled natively , these are created and distributed by third
parties.
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