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Virty [35]
3 years ago
15

Consider a computer with two processes, H, with high priority, and L, with low priority. The scheduling rules are such that H is

run whenever it is in ready state. At a certain moment, with L in its critical region, H becomes ready to run (e.g., an I/O operation completes). H now begins busy waiting, but since L is never scheduled with H is running, L never gets the chance to leave its critical region, so H loops forever. This situation is sometimes referred to as the priority inversion problem. If instead of priority scheduling, we use round-robin scheduling, will we encounter the same problem?
Computers and Technology
1 answer:
marishachu [46]3 years ago
3 0

Answer:

No

Explanation:

We know that Priority inversion can be seen as a scheduling situation in which higher priority task gets preempted by lower priority task. And that this is one of the main problem in priority scheduling.

If we overlook Priority scheduling and instead we decided to use Round Robin scheduling we will never encounter the priority inversion problem. As ,in Round Robin scheduling the process generally use a certain amount of time or time slices for each processes before it is force to wait for the next process.

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SSSSS [86.1K]

Answer:

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Explanation:

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The latter available options weren’t connected to the type of situation in question. So the response above would be the correct one.

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3 years ago
You and a few friends are having a meal at a pizza restaurant, and the server has just given you the bill. Write a function that
cestrela7 [59]

Answer:

How to calculate the total cost of the meal

For bill inclusive of tax, cost1=cost*(1+tax percentage)

For bill inclusive of tax and tip, cost2=cost1*(1+tip percentage)

Meal cost =(pizza cost*(1+tax percentage))*(1+tip percentage)

Now how to calculate the cost per person

cost per person=meal cost/ number of people.

C language code to solve the above problem is given below with appropriate comments for explanation

Explanation:

#include<stdio.h>

float split_bill(int cost,float tax)

{

//Declaring number of people as int

int number;

//Prompting for number of people

printf("Enter number of people ");

scanf("%d",&number);

//Declaring tip percentage as float

float tip_percent;

//Prompting for tip percentage

printf("Enter tip percentage between 0 and 1 ");

scanf("%f",&tip_percent);

//Calculating total meal cost

float meal=(((float)cost)*(1+tax))*(1+tip_percent);

//Printing total cost of meal

printf("Total cost of meal: %0.2f ",meal);

//Calculating cost per person

float cost_per_person=meal/number;

//Returning cost per person to main function

return cost_per_person;

}

int main()

{

//Declaring pizza cost as int and tax percentage as float

int pizza_cost;

float tax_percent;

//Prompting user for pizza cost

printf("Enter billing amount of pizza ");

scanf("%d",&pizza_cost);

//Prompting user for tax percentage

printf("Enter tax percentage between 0 and 1 ");

scanf("%f",&tax_percent);

//Printing the cost per person by calling the function split_bill

printf("Total cost per person is: %0.2f ",split_bill(pizza_cost,tax_percent));

return 0;

}

8 0
3 years ago
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