Internet Search Engines for JSS3

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Internet Search Engines for JSS3

A computer network consists of a collection of computers, printers and other equipment that are connected together so that they can communicate with each other. It is also defined as a group of two or more computer systems linked together.

Types of Network

1. Personal Area Network (PAN ): It refers to interconnection of information technology devices or gadgets within the environment of an individual user typically within 10 meters.
2. Local Area Network (LAN): A local area network is a computer network covering a small local area, like a home, office, or school.
3. Metropolitan Area Network (MAN): MANs are large computer network usually spanning a large campus.
4. Wide Area Network (WAN): WAN is a computer network covering a broad geographical area.
5. Internet.
i. The internet is a worldwide network of computers that share information.
ii. The internet is a global telecommunication system that provides connectivity for millions of computers far and near.
iii. Internet can also be referred as a system in which a group of independent computers are connected together either via a wireless or wires means to share common data.

Internet Search Engines

Search engines are websites or software that enables a person to find documents or other media on the internet. It can also be defined as software programs that help users find information stored on a personal computer, or a network of computer such as the internet. The information may consist of images, files, web addresses or links etc.


Internet Search Engine Terms

1. Search query : Also known as 'user search string', this is the word or set of words that are typed by the user in the search bar of the search engine.
2. Search Engine Results Page (SERP): A search engine results page (SERP) is the page displayed by a search engine in response to a query by a searcher. The main component of the SERP is the listing of results that are returned by the search engine in response to a keyword.
Some of the most popular web search engines and their addresses are:

SEARCH ENGINE WEB ADDRESS

Google www.google.com
Yahoo search www.yahoo.com
Bing www.bing.com
MSN live search www.msn.com
AOL search www.aol.com
Ask.com www.ask.com
Mamma www.mamma.com
WebCrawler www.webcrawler.com
Infoseek www.infoseek.com

Uses of Search engines

Search engines are often used to:
1. Find pages, files, news, images, and other data on the web
2. Download educational materials like lecture notes and tutorials in any subject of your choice
3. Download music and video
4. Get maps and direction
5. Display advertisements.

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