What a web browser is

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What a web browser is

Name:
Date:
Class:
A

Quick Questions

Shade in the A or B circle for each question.

1. Which statement describes a web browser?
A Software that requests web pages and displays them to the user
B A website that stores all the pages on the internet
2. Which of these is an example of a web browser?
A HTTP
B Firefox
3. In the client-server model, what is the web browser?
A The client
B The web server
4. True or false: Google Search is a web browser.
A False: it is a search engine website, not a browser
B True: it is the browser many people use to open pages
5. What does a web browser do after it receives a web page from a web server?
A It stores the page on the web server
B It displays the page to the user
B

Match the Pairs

Draw a line connecting each item on the left to its match on the right.

Left columnRight column
1Chrome, Firefox, Safari, Edge Abrowser.request(page) then browser.display(page)
2browser = client BThe browser is the client that sends requests to a web server
3A web browser requests a web page from a web server and then displays it to the user Cbrowser = Chrome, search engine = Google
4A browser is not a search engine: the browser is the software and a search engine is a website opened in it DExamples of web browsers: software that requests web pages and displays them to the user
5Google is a web browser EGoogle is a search engine website, not a browser. It is opened inside a browser such as Chrome or Firefox.
6A web browser stores and sends out web pages FA web server stores and sends web pages. The browser requests them and displays them.
C

Definitions

web browser
D

Fill in the Blanks

Complete each line of code by filling in the missing parts.

1.
page ← browser._______(url)
2.
browser._______(page)
3.
role ← ______
4.
app ← Safari type ← _______
5.
results ← ____________.find("cats")
E

Spot the Error

Shade in the letter of the line that contains an error.

Question 1
A software ← "search engine"
B examples ← ["Chrome","Edge"]
C OUTPUT software
Question 2
A url ← "www.example.com"
B SEND request TO web_server
C RECEIVE page FROM web_server
D DISPLAY request TO user
Question 3
A browser ← "Safari"
B role ← "client"
C IF role = "client" THEN
D OUTPUT "hosts web pages"
E ENDIF
Question 4
A browser ← "Edge"
B type ← "software"
C isSearchEngine ← TRUE
D OUTPUT isSearchEngine
Question 5
A url ← "https://example.com"
B SEND page TO web_server
C RECEIVE page FROM web_server
D DISPLAY page

Answer Key

What a web browser is
Section A: Quick Questions
Q1
A — Software that requests web pages and displays them to the user
Q2
B — Firefox
Q3
A — The client
Q4
A — False: it is a search engine website, not a browser
Q5
B — It displays the page to the user
Section B: Match the Pairs
Q1
Chrome, Firefox, Safari, Edge → Examples of web browsers: software that requests web pages and displays them to the user
Q2
browser = client → The browser is the client that sends requests to a web server
Q3
A web browser requests a web page from a web server and then displays it to the user → browser.request(page) then browser.display(page)
Q4
A browser is not a search engine: the browser is the software and a search engine is a website opened in it → browser = Chrome, search engine = Google
Q5
Google is a web browser → Google is a search engine website, not a browser. It is opened inside a browser such as Chrome or Firefox.
Q6
A web browser stores and sends out web pages → A web server stores and sends web pages. The browser requests them and displays them.
Section C: Definitions
Q1
web browser — Software that requests web pages from web servers and displays them to the user, e.g. Chrome, Firefox, Safari or Edge. It is the client, and it is not a search engine.
Section D: Fill in the Blanks
Q1
page ← browser.request(url)
Q2
browser.display(page)
Q3
role ← client
Q4
app ← Safari type ← browser
Q5
results ← searchEngine.find("cats")
Section E: Spot the Error
Q1
A — Chrome and Edge are web browsers, not search engines. A web browser is software that requests and displays web pages, so the value should be "web browser".
Q2
D — The browser displays the web page it received from the server, not the request it sent. It should be DISPLAY page TO user.
Q3
D — A browser is the client, so it requests pages. Hosting and storing web pages is the job of a web server. It should be OUTPUT "requests pages".
Q4
C — A browser is not a search engine. A search engine is a website you visit using a browser, so the value should be FALSE.
Q5
B — The browser sends a request to the web server asking for a page. It does not send the page. It should be SEND request TO web_server.