Survey of Operating Systems
6th Edition
ISBN: 9781260493863
Author: Holcombe, Jane
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 1, Problem 1EQ
Program Plan Intro
- The most important program that runs on a computer is operating system.
- Operating System (OS) is a collection of software that enables the computer resources to have communication with computer system.
- OS is used to control traffic in a computer, it schedules time for processing and allocates memory for each process.
- Operating system acts as an interface between user and computer.
- There are many other types of operating system such as Windows, Macintosh, LINUX, UNIX, and mobile operating systems such as android OS, and iOS, and so on
- Basic operations of OS are as follows:
- Getting input from the keyboard
- Displaying output in the monitor
- Monitoring the files.
- OS control the peripheral devices such as printers, hard drives, and mouse.
- The responsibilities of OS are bound to get higher when it comes to security, because it provides the access rights for users.
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: The Multithreaded Cook
In this lab, we'll practice multithreading. Using Semaphores for synchronization, implement a
multithreaded cook that performs the following recipe, with each task being contained in a single Thread:
1. Task 1: Cut onions.
a.
Waits for none.
b. Signals Task 4
2. Task 2: Mince meat.
a. Waits for none
b. Signals Task 4
3. Task 3: Slice aubergines.
a. Waits for none
b. Signals Task 6
4. Task 4: Make sauce.
a. Waits for Task 1, and 2
b. Signals Task 6
5. Task 5: Finished Bechamel.
a. Waits for none
b. Signals Task 7
6. Task 6: Layout the layers.
a.
Waits for Task 3, and 4
b. Signals Task 7
7. Task 7: Put Bechamel and Cheese.
a.
Waits for Task 5, and 6
b. Signals Task 9
8. Task 8: Turn on oven.
a.
Waits for none
b. Signals Task 9
9. Task 9: Cook.
a. Waits for Task 7, and 8
b.
Signals none
At the start of each task (once all Semaphores have been acquired), print out a string of the task you are
starting, sleep for 2-11 seconds, then print out a string saying that you…
Chapter 1 Solutions
Survey of Operating Systems
Ch. 1 - Prob. 1KTQCh. 1 - Prob. 2KTQCh. 1 - Prob. 3KTQCh. 1 - Prob. 4KTQCh. 1 - Prob. 5KTQCh. 1 - Prob. 6KTQCh. 1 - Prob. 7KTQCh. 1 - Prob. 8KTQCh. 1 - Prob. 9KTQCh. 1 - Prob. 10KTQ
Ch. 1 - Prob. 1MCQCh. 1 - Prob. 2MCQCh. 1 - Introduced in 1983, this application program...Ch. 1 - Prob. 4MCQCh. 1 - Prob. 5MCQCh. 1 - Prob. 6MCQCh. 1 - Prob. 7MCQCh. 1 - Prob. 8MCQCh. 1 - In the 1950s, a typical computer end user would...Ch. 1 - Prob. 10MCQCh. 1 - Prob. 11MCQCh. 1 - Prob. 12MCQCh. 1 - Prob. 13MCQCh. 1 - Prob. 14MCQCh. 1 - Prob. 15MCQCh. 1 - Prob. 1EQCh. 1 - Prob. 4EQCh. 1 - Prob. 5EQ
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