Cookies
Presentation
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Easy
Yefta Mandalika
Used 2+ times
FREE Resource
10 Slides • 11 Questions
1
Match
Match the following terms in Internet
Special server that stores all the different domain names along with their equivalent IP address.
The address used to locate and access a resource (like a web page, image, or file) on the Internet.
A computer system that stores, manages, and delivers web pages to users over the Internet when requested by a web browser.
A software application used to access, retrieve, and display web pages from the Internet.
The set of rules (protocol) that defines how data is transferred between a web browser (client) and a web server over the Internet.
DNS
URL
Web server
Web browser
HTTP
DNS
URL
Web server
Web browser
HTTP
2
Multiple Choice
(Recall) A student is entering personal details on two websites:
Website A uses HTTP
Website B uses HTTPS
Which website provides better protection for the student’s data, and why?
Website A, because it loads faster without encryption
Website B, because it encrypts data using SSL/TLS
Website A, because it does not require digital certificates
Website B, because it uses cookies to save passwords
3
Multiple Choice
(Recall) A student types “weather forecast” directly into the address bar of Google Chrome, and search results appear.
What does this situation show about the relationship between a web browser and a search engine?
The web browser can automatically use a search engine to find information.
The search engine controls how the browser displays results.
The browser cannot work without cookies from the search engine.
4
Multiple Choice
(Recall) Which one is NOT the function of a web browser?
Render HTTP
Display web pages
storing cookies
Storing bookmarks
Allowing use of multiple tabs
5
Guess what remember you in Internet?!
6
Cookies
By Yefta Mandalika
The Internet and its uses
7
After this lesson you will be able to:
By Yefta Mandalika
Define what cookies are in the context of web browsing.
Explain the purpose of cookies and how they are used by websites.
Discuss privacy and security issues related to cookies.
8
Definition
Cookies are small text files stored on a user's computer by a web browser when they visit a website.
9
Purpose
Cookies are used to store information about the user - such as login details, preferences and items in a shopping list.
10
Multiple Choice
Which is the correct understanding of cookies?
Small text files stored on a user's computer by a web browser when they visit a website.
Cookies are programs that run on your computer to make websites work faster.
Cookies are parts of a web browser that help display web pages.
11
Types of cookies
Session cookies: A temporary cookie that only exists while the user is visiting a website. It is deleted automatically when the browser is closed.
Example:
When you log in to your online banking account, the website uses a session cookie to keep you signed in until you log out or close the browser.
12
Types of cookies
2. Persistent cookies: (also called a permanent cookie) is stored on the user’s computer for a longer period, even after the browser is closed. It remains until it expires (after a set time) or is manually deleted by the user.
Example:
When you tick “Remember me” while logging into Gmail or Facebook, a persistent cookie saves your login details so you don’t have to re-enter them next time.
13
Match
Match the following types of cookies
A temporary cookies that only exist while the user visited a website.
A permanent cookie that is stored on the user's computer for a longer period.
Small text files stored on user's computer by a web browser.
Session cookies
Persistent cookies
Cookies
Session cookies
Persistent cookies
Cookies
14
Adv & dis
Advantages of cookies are to get faster access and personalised experience.
Disadvantages of cookies are privacy issues, security risks and storage - clutter.
15
Team activity
Look at Google Classroom for the instructions.
16
Multiple Choice
(Recap) A user notices that after clearing cookies, a shopping website no longer shows product recommendations.
What does this suggest about how the website was using cookies?
To improve page loading speed
To store the user’s browsing behavior and preferences
To update the website’s HTML structure
To prevent pop-up ads
17
Multiple Choice
(Recap) If a user blocks all cookies in their browser, which of the following is the most likely result?
The user will not be able to access the Internet.
Websites will lose their layout and design.
The user may have to log in every time and lose personalization features.
18
Multiple Choice
(Recap) A user logs in to an online shopping website, adds items to the cart, and closes the browser.
The next day, the user opens the site again and finds the items still in the cart, but they must log in again to continue shopping.
A session cookie saved both the login and shopping cart data.
A persistent cookie saved the shopping cart data, but the session cookie that stored the login expired.
Both the login and cart data were deleted because no cookies were used.
19
Open Ended
(Recap) A website uses cookies to track the pages users visit and shows them personalized advertisements.
Do you think this use of cookies is ethical? Explain your answer with one reason.
20
Open Ended
(Recap) Explain what is a cookies? How many types of cookies? Please mention them.
21
The end of the lesson
Match the following terms in Internet
Special server that stores all the different domain names along with their equivalent IP address.
The address used to locate and access a resource (like a web page, image, or file) on the Internet.
A computer system that stores, manages, and delivers web pages to users over the Internet when requested by a web browser.
A software application used to access, retrieve, and display web pages from the Internet.
The set of rules (protocol) that defines how data is transferred between a web browser (client) and a web server over the Internet.
DNS
URL
Web server
Web browser
HTTP
DNS
URL
Web server
Web browser
HTTP
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