Formative 2

False

False

Program stored in your disk is considered as active entity.

True

False

False

The goal of CPU scheduling is to optimize system performance is to minimize the throughput.

True

False

True

A process terminates when it finishes its last statement and asks the operating system to delete it using the exit system call.

True

False

True

Process is a program in execution.

True

False

True

The goal of CPU scheduling is to optimize system performance is to minimize the waiting time.

True

False

True

Process execution begins with a CPU burst that is followed by an I/O burst.

True

False

False

A process may create several new processes, via a create-process system call, during the course of execution. 

The creating process is called child process.

True

False

True

The process STACK contains the temporary data such as method/function parameters, return address and local variables.

True

False

False

In process state, running state is when the process is being created

True

False

True

In process state, ready state is when the process is waiting for the OS to assign a processor to it.

True

False

0

FIRST-COME, FIRST SERVED

What is the Waiting Time of Process A?

10

16

0

2

ABCD

FIRST-COME, FIRST SERVED

 

What is the correct sequence of the process when served by the CPU?

ACDB

ABCD

ACBD

DCBA

7.25

FIRST-COME, FIRST SERVED

What is the average waiting time?

5.75

6.75

7.25

12.75

16

FIRST-COME, FIRST SERVED

What is the Turn Around Time of Process C?

2

19

7

16

7

NON-PREEMPTIVE PRIORITY SCHEDULING

What is the average waiting time?

10.75

14

7

5.75

20

ROUND-ROBIN (RR) SCHEDULING

time quantum = 3 ms

What is the Turn Around Time of P3?

5

20

14

17

P2

ROUND-ROBIN (RR) SCHEDULING

time quantum = 3 ms

What process has a waiting time of 2?

P3

P1

P2

P4

SHORTEST REMAINING TIME (SRT)

What process has a turnaround time of 20?

P3

P2

P1

P4

P3

PREEMPTIVE PRIORITY SCHEDULING

What process has a turnaround time of 11?

P2

P4

P3

P1

11

PREEMPTIVE PRIORITY SCHEDULING

What is the Turn Around Time of P3?

5

19

11

15