the subject is : Operating system

important instructions

only answer the questions if you know the correct answer

answer all the 3 questions

first 2 question are theory based so Explain in detail the anwer

the 3 question is code based and have to attached an queuing diagrams to it aswell

read question carefully

---------------------------------------

explain in detail

C

-------------

above are the 3 given questions

a. Explain how improving CPU utilization may result in increasing processes response time? b. Explain how improving I/O device utilization may result in decreasing CPU utilization? Write and explain the code of Semaphore with no busy waiting. Explain your code with the help of queuing diagrams. (you can add extra page for your solution)