Survey of Operating Systems
6th Edition
ISBN: 9781260493863
Author: Holcombe, Jane
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 2, Problem 4EQ
Program Plan Intro
Cookies:
- A cookie is a small part of data in types of text file, sent by a web server.
- This information is stored in a user’s computer, that is, web browser.
- Cookie in a website knows the input information regarding the preceding interactions that take place between the computer and website.
- Cookies contain only bits of text and the text can be a session identifier, user identifier, or any other text information.
- For instance, a web page can have a hide link that hides a specific element on the webpage and the page can store this setting on user system with a cookie.
- When user loads the webpage in the future, the webpage can examine the cookie and hide the element automatically.
- Typically, hundreds and thousands of cookies are stored in a user’s web browser currently.
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8. Name and Email AddressesWrite a program that keeps names and email addresses in a dictionary as key-value pairs. The program should display a menu that lets the user look up a person’s email address, add a new name and email address, change an existing email address, and delete an existing name and email address. The program should pickle the dictionary and save it to a file when the user exits the program. Each time the program starts, it should retrieve the dictionary from the file and unpickle it.
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Please solve and answer the question correctly please. Thank you!!
Chapter 2 Solutions
Survey of Operating Systems
Ch. 2 - Prob. 1KTQCh. 2 - Prob. 2KTQCh. 2 - Prob. 3KTQCh. 2 - Prob. 4KTQCh. 2 - Prob. 5KTQCh. 2 - Prob. 6KTQCh. 2 - Prob. 7KTQCh. 2 - Prob. 8KTQCh. 2 - Prob. 9KTQCh. 2 - Prob. 10KTQ
Ch. 2 - Prob. 1MCQCh. 2 - This type of annoyance appears uninvited in a...Ch. 2 - With this Windows feature turned on (as it is by...Ch. 2 - Prob. 4MCQCh. 2 - Prob. 5MCQCh. 2 - Prob. 6MCQCh. 2 - Prob. 7MCQCh. 2 - Prob. 8MCQCh. 2 - Prob. 9MCQCh. 2 - Prob. 10MCQCh. 2 - Prob. 11MCQCh. 2 - Prob. 12MCQCh. 2 - Prob. 13MCQCh. 2 - Prob. 14MCQCh. 2 - Prob. 15MCQCh. 2 - Prob. 1EQCh. 2 - Consider the following statement: User Account...Ch. 2 - Why should you disable the Guest account?Ch. 2 - Prob. 4EQCh. 2 - Prob. 5EQ
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