Page 69 - Viva ICSE Computer Studies 4 : E-book

 Zoom: It allows the user to zoom in or zoom out the web page being viewed

using the ‘+’ and ‘–’ symbols.
 More Tools: It provides various tools as Save page as, Clear browsing data and Task

Manager.

Computer Etiquette

There is a special set of manners for the Internet called Netiquette. Some Netiquettes are listed
below.
• Guard your privacy. Do not give personal information such as your address, phone number and
school address without your elder’s permission.
• Respect the privacy of other people as well.
• Use the Internet under the guidance of your elders.

Tech Terms

Computer network: A connection of two or more computers to exchange data and information
Home page: Main page of a website
Net surfing: Process of searching information on the Internet
Search engine: Computer program to search for information on the Internet

Quick Recall

• A wireless network connects computers without cables.
• Computers use radio communications to transfer data among each other.
• The Internet is a well-organised and managed network of millions of computers connected all
over the world.
• Advanced Research Projects Agency (ARPA) set-up a network of computers between diff erent
offi ces of defence department to exchange and share important information. This network of
computers was called ARPANET.
• ARPANET kept on growing continuously leading to the birth of the Internet.
• Home page is the fi rst page which appears when we open a website.
• URL or Uniform Resource Locator is the address of a web page. It is unique for each web page.
• A web browser is a software that is used to access information on the Internet.
• Web page is a page on the Internet which contains information in the form of text, graphics,
audio and video.
• A website is a collection of web pages containing information that is related.
• World Wide Web is a collection of various websites.
• Google (https://www.google.com) is the world’s most popular search engine.
• Internet Service Provider (ISP) is a company that off ers connectivity to the Internet.

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