Process Scheduling: Master the Art of CPU Management

Question 1

In the Shortest Job First (SJF) scheduling algorithm, which process gets the highest priority?

Accepted Answer

The process with the shortest estimated remaining time

Answer

The process with the longest CPU burst time

Answer

The process that has been waiting the longest

Answer

The process with the highest priority level

Question 2

Which scheduling algorithm guarantees that each process will receive equal CPU time over time?

Accepted Answer

Round Robin

Answer

Priority Scheduling

Answer

Shortest Job First

Answer

First-Come First-Served

Question 3

What is the main advantage of using a priority-based scheduling algorithm?

Accepted Answer

It ensures that critical processes are executed first

Answer

It reduces the average waiting time for processes

Answer

It improves the overall throughput of the system

Answer

It simplifies the implementation of the scheduling algorithm

Question 4

Which of the following is a potential drawback of using a non-preemptive scheduling algorithm?

Accepted Answer

Starvation

Answer

Fairness

Answer

Complexity

Answer

Overhead

Question 5

What is the purpose of a scheduling queue in an operating system?

Accepted Answer

To store processes waiting to be executed

Answer

To store processes that are currently executing

Answer

To store processes that have finished executing

Answer

To store processes that are suspended

Question 6

Which of the following scheduling algorithms is most commonly used in multiprocessor systems?

Accepted Answer

Shortest Remaining Time Next

Answer

Round Robin

Answer

Priority Scheduling

Answer

First-Come First-Served

Question 7

What is the main advantage of using a multi-level feedback queue scheduling algorithm?

Accepted Answer

It provides a balance between fairness and efficiency

Answer

It reduces the overhead of context switching

Answer

It improves the response time for interactive processes

Answer

It simplifies the implementation of the scheduling algorithm

Question 8

Which process scheduling algorithm prioritizes processes based on their importance and urgency, ensuring that crucial tasks are executed before less critical ones?

Accepted Answer

Priority Scheduling

Answer

First-Come First-Served (FCFS)

Answer

Shortest Job First (SJF)

Question 9

Which process scheduling algorithm prioritizes processes with shorter execution times?

Accepted Answer

Shortest Job First (SJF)

Answer

First Come, First Served (FCFS)

Answer

Priority Scheduling

Answer

Round Robin

Question 10

What is a key advantage of using a non-preemptive process scheduling algorithm?

Accepted Answer

Ensures fairness and prevents starvation

Answer

Improves system throughput

Answer

Reduces context switching overhead

Answer

Prioritizes critical processes

Question 11

Which metric is NOT used to evaluate the performance of a process scheduling algorithm?

Accepted Answer

Disk space utilization

Answer

Average waiting time

Answer

Throughput

Answer

Response time

Question 12

What is the primary objective of a load balancing algorithm in a multiprocessor system?

Accepted Answer

Evenly distributing processes across available processors

Answer

Preventing processor starvation

Answer

Reducing inter-processor communication

Answer

Optimizing memory usage

Question 13

What is the primary benefit of using a preemptive process scheduling algorithm?

Accepted Answer

Improved system responsiveness

Answer

Prevention of indefinite blocking

Answer

Increased CPU utilization

Answer

Reduced memory overhead

Question 14

Which factor does NOT influence the selection of a process scheduling algorithm for a particular system?

Accepted Answer

Personal preferences of the system administrator

Answer

Type of applications running

Answer

System workload

Answer

Hardware resources available

Question 15

Which scheduling algorithm allocates a fixed time slot to each process and does not allow preemption?

Accepted Answer

First-Come First-Served (FCFS) Scheduling

Answer

Priority Scheduling

Answer

Shortest Job First (SJF) Scheduling

Answer

Round Robin Scheduling

Question 16

Which of the following is not a process scheduling algorithm commonly taught in Operating Systems courses?

Accepted Answer

Mean Time First (MTF)

Answer

First-Come First-Served (FCFS)

Answer

Shortest Job First (SJF)

Answer

Priority Scheduling

Question 17

Under which scheduling algorithm are processes with shorter estimated execution times given priority for CPU allocation?

Accepted Answer

SJF

Answer

FCFS

Answer

Priority Scheduling

Answer

Round Robin

Question 18

What is the primary goal of process scheduling in an operating system?

Accepted Answer

To allocate CPU time efficiently and fairly among processes

Answer

To prevent memory leaks

Answer

To manage file access permissions

Answer

To handle input and output operations

Question 19

Which of the following is an advantage of using Priority Scheduling?

Accepted Answer

Improved response time for high-priority processes

Answer

Enhanced fairness among processes with equal priorities

Answer

Reduced CPU utilization

Answer

Simplified algorithm implementation

Question 20

What is the primary difference between FCFS and SJF scheduling algorithms?

Accepted Answer

FCFS schedules processes based on arrival time, while SJF schedules based on estimated execution time.

Answer

FCFS is a non-preemptive algorithm, while SJF is preemptive.

Answer

FCFS uses a priority queue, while SJF uses a first-in first-out queue.

Answer

FCFS has lower overhead than SJF.

Question 21

Under which scheduling algorithm is a newly arriving process inserted into the ready queue based on its assigned priority?

Accepted Answer

Priority Scheduling

Answer

FCFS

Answer

SJF

Answer

Round Robin

Question 22

What is the main purpose of a scheduling queue in an operating system?

Accepted Answer

To hold processes that are waiting for CPU time

Answer

To store completed processes

Answer

To manage memory allocation

Answer

To handle device interrupts