How web browsers request pages in Intro to Computing - Quick Revision & Summary

Recall & Review

beginner

What is the first step a web browser takes when you enter a website address?

The browser looks up the website's IP address using a DNS (Domain Name System) server, like looking up a phone number in a phone book.

beginner

What does HTTP stand for and what is its role?

HTTP stands for HyperText Transfer Protocol. It is the set of rules browsers and servers use to communicate and exchange web pages.

beginner

Explain what happens after the browser finds the IP address of a website.

The browser sends a request message to the web server at that IP address asking for the web page. The server then sends back the page data.

beginner

What is a URL and why is it important?

A URL (Uniform Resource Locator) is the website address you type. It tells the browser exactly where to find the page on the internet.

beginner

How does a browser display the web page after receiving data from the server?

The browser reads the HTML, CSS, and JavaScript code sent by the server and builds the page you see on screen, like assembling a puzzle.

What does a browser use to find the IP address of a website?

A Email server

B FTP server

C DNS server

D Proxy server

The browser uses a DNS server to translate the website name into an IP address.

Which protocol do browsers use to request web pages?

A FTP

B HTTP

C SMTP

D SSH

HTTP is the protocol used for requesting and transferring web pages.

What does the browser do after receiving the web page data from the server?

A Builds and displays the page

B Deletes the data

C Sends it to another server

D Saves it as a text file

The browser builds the page from the data and displays it on the screen.

What is the role of a URL in web browsing?

A It stores cookies

B It encrypts data

C It manages passwords

D It tells the browser where to find the page

A URL tells the browser the exact location of the web page.

Which of these is NOT part of the web page data the browser uses to display a page?

A Email

B CSS

C JavaScript

D HTML

Email is unrelated to the web page data used for display.

Describe the step-by-step process of how a web browser requests and displays a web page.

Think about what happens from typing the address to seeing the page.

Explain the role of DNS and HTTP in web browsing using a real-life analogy.

Imagine calling a friend by name and talking to them.