THE INTERNET ENVIRONMENT - SEARCH ENGINE - MEANING, EXAMPLES, WORKING PRINCIPLES , AND USES (JS3 NOTES)

-

THE INTERNET ENVIRONMENT 

SEARCH ENGINE 

MEANING, EXAMPLES, WORKING PRINCIPLES OF SEARCH ENGINE , AND USES

OBJECTIVE

1. Define search engine

2. List the examples of search engine

3. Describe how search engines work.

4. State the uses of search engine



MEANING OF SEARCH ENGINE

A web search engine is a software system that is designed to search for information on the World Wide Web (database) through a computer/mobile phone. The search results are generally presented in a line of results often referred to as search engine results pages (SERPs). The information may be a mix of web pages, images, and other types of files.

EXAMPLES OF SEARCH ENGINE

Common Examples of Search engines are:

i. Google.com
ii.  Mama.com  
iii. Ask.com
iv. Yahoo.com
v. Askjeeves.com
VI. Lycos.com
vii. Safari.com 

viii. Duckduckgo

ix. SearchGPT

x. Bing.com

xi. Gemini e.t.c

HOW DO SEARCH ENGINE WORKS ?

Google search takes place in the following stages:

(i) Crawling

(ii) Indexing

(iii) Searching and Ranking

(i) Crawling: Crawlers discover what pages exist on the web. It is also known as  url (uniform resource locator) discovery.

(ii) Indexing: After a page is crawled, the textual content is processed, analyzed and tagged.

(iii) Searching and Ranking : When a user enters a query(question), the search engine searches the index for matching pages and return the relevant results.



USES OF SEARCH ENGINES

Search Engines can be used to:
·       Easily find and download information on any topic.
·       Get definition of words, acronyms etc.
·       Carry out research.
·       Used to find images, pictures and sound.
·       Search for information about people, places and product.

  •  For shopping and entertainment
  • Download applications from the internet


CLASS ACTIVITIES

1. Define Search engine

2. List four types of search engine

3. State four (4) uses of search engine

4. Search for any four information of your choice and record the results on each information.




Comments

Post a Comment

Popular posts from this blog

MID TERM ASSIGNMENT JS1 FOR SECOND TERM 24/25 ACADEMIC SESSION

-
Image
Mid Term Project/Assignment Link:  https://quizizz.com/join?gc=61500712                      or  Log on to :  https://quizizz.com/join Enter the join Code below: Join Code: 61500712 Instructions:  1. Copy and paste the above link on your web browser to join the assessment game or Use the Join Code to Join. 2. Join the game/assessment with your full name e.g... Ajiboye Gbenga - Do not use nick name like Zido, Jigo e.t.c   3. You get zero (0) by using a nick name  4. You have 50 (fifty) questions to answer. Take your time... 5. Ensure you have a very strong internet connectivity to avoid glitches. Submission Deadline: Saturday 22nd Feb. 25... ...Enjoy your break😂😂😂😂!!!  
Read more

3RD TERM MID TERM PROJECT _ JS1 (COMPUTER STUDIES)

-
Image
  3RD TERM MID TERM PROJECT MARKS OBTAINABLE : 30 MARKS Title : Create a Custom PowerPoint Presentation File on:  Uses/Applications of Computers in : - Schools - Hospitals -Government Offices- - Banks - Military's Offices - Transportation - Entertainment - Marketing Details :  create the presentation file with animation and transition of a minimum of 8 slides and maximum of 10 slides with custom background design. Hints:  - Add images/videos to your slides  - The last slide should contain the name of the school ( Albesta Academy Lekki ), your full name , and the name of your Instructor... - Save your presentation as your full name. Submission: Submit the presentation file to :  sunlitedigitalhub@gmail.com Submission Deadline:  On/before Saturday, 14th June, 25
Read more

MID TERM PROJECT _ JSS2

-
Image
  MID TERM PROJECT   MARKS OBTAINABLE: 30 MARKS A. What is the primary function of an operating system? a) Managing computer hardware and software resources b) Creating documents c) Surfing the internet d) Editing videos Which of the following is an example of system software? a) Microsoft Word b) Adobe Photoshop c) Windows 10 d) Google Chrome What is an application software used for? a) Controlling hardware devices b) Performing specific tasks for the user c) Repairing damaged computer hardware d) None of the above Which of the following is NOT an operating system? a) Linux b) Android c) Photoshop d) macOS What is the term for software that is free to use but cannot be modified? a) Open-source software b) Freeware c) Shareware d) Commercial software True/False Questions The operating system manages both hardware and software resources. (True/False) Microsoft Word is an example of system software. (True/False) Freeware is software that is available to use at no cost but with r...
Read more