Lesson Plan: Unit - 03 Internet
Subject: BELE2CFA: Computer Fundamentals And Applications
Topic of Study: Intranet, Extranet and WWW
Grade/Level: Bachelor of SCIENCE
Objective: To explore the working of Search engine and HTTP protocol with its types
30.0 Search Engine
- Search engine is used to search resource in the internet.
- It is web application to search & display searched resource in the web browser.
- To search resources...
- Step 01: We need to write a query.
- Step 02: Process on query by Web Server using Algorithm.
- Step 03: Display result of your query in Web Browser.
- Example of Search Engine:
Swiss Cows Board Reader Slide Share Ecosia Search Engline Land
30.1 Hypertext Transfer Protocol:
- How Search engine works?
30.1 Hypertext Transfer Protocol:
- Protocol means rules and regulations for exchange the data between devices.
- To exchange data means communication between devices.
- Transfer is a word to exchange data / information.
- Hypertext is a text which link / attached with other text.
- HTTP stands for Hyper Text Transfer Protocol.
- It is a working based on Client - Server Architecture.
- Client - Server architecture is a distribution of works / task.
- Client is a computer machine / device which is always ask query to Server.
- HTTP request means to sending the data / information to the Server.
- Server is a computer machine which is capable to answer of client machine.
- HTTP response means to receiving the data / information from the Server.
- Types of HTTP:
- HTTP
- HTTPS (HTTP Secure)
- Example:
- There are three benefits:
- It is connection less.
- Connection less like to send SMS from one Mobile to another Mobile.
- There is no dedicated line of connection between mobile.
- It is media independent.
- It is stateless.
- Client always request to Server and Server always response to Client, up to the current request.
- Types of HTTP Versions
- HTTP 1.0
- It has single request / response per connection.
- HTTP 1.1
- It has multiple request / response per connection.
