Operating System Essay – nursing homework essays

Operating System Essay

Operating System Essay

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Jun 10 at 10:11 AM

 

QUESTION 1

1. What does the spin() function in our program do?

2 points 

QUESTION 2

1. How can the operating system regain control of the CPU so that it can switch between processes? Operating System Essay

2 points 

QUESTION 3

1. In a situation where a number of relatively-short potential consumers of a resource get queued behind a heavyweight resource consumer is known as

2 points 

QUESTION 4

1. There are two processes: Process A and Process B. What are the situations of Process B when it is moved from Ready to Running and Process A when it has been moved from Running to Ready

2 points 

QUESTION 5

1. What C programming command can we use to check if it is installed on Kali Linx? Operating System Essay

2 points 

QUESTION 6

1. After a program compiled the cpu program what command was used to run the four processes?

2 points 

QUESTION 7

1. If time sharing allows a resource to be used for a little while by one entity, and then a little while by another. What is its natural counterpart and how does it uses its resources?
   

2 points 

QUESTION 8

1. Three jobs A, B, C, with run times of 5, 10, and 15 time units all arriving at the same time (0). What is the average turnaround time for jobs A, B, and C? Assumming FIFO is used

2 points 

QUESTION 9

1. What switch is used between user program and the kernel when a priviledge access is requested?

2 points 

QUESTION 10

1. The OS uses low-level machinery called ———— and high-level ————- to implement virtualization well

2 points 

QUESTION 11

1. What scheduler ia used with the introduction of time-shared machines?

2 points 

QUESTION 12

1. There are two processes: Process A and Process B. What are the situations of Process B when it is moved from Ready to Running and Process A when it has been from Running to Ready

2 points 

QUESTION 13

1. There are two processes: Process A and Process B. What are the situations of Process B when it is moved from Ready to Running and Process A when it has been from Running to Ready

2 points 

QUESTION 14

1. When user mode wants to access kernel mode it invokes a system call, or ——-

2 points 

QUESTION 15

1. A systrm call is made to keep running (create) the same copies of program, what procedure will be best used?

2 points 

QUESTION 16

1. What C program command did we use to compile cpu.c

2 points 

QUESTION 17

1. A new process has been created which leads to the creation of another process. What are the characteristics of this new process?

   		The creating process is called a parent, it has a process identifier, and it will execute after the created process called a child has executed.
   		The created process uses create routine called a parent, the process identifier is not needed, and it will execute first. The mechanic process is called a child.
   		The created process is called a parent, it has a process identifier, and it will execute first. The creating process is called a child, it has a process identifier but cannot execute.
   		The creating process is called a parent, it has a process identifier, and it will execute first. The created process is called a child, it has a process identifier but cannot execute.

2 points 

QUESTION 18

1. Where does a program stores its data structures?

2 points 

QUESTION 19

1. What is Virtualization of the CPU

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