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Operating System Questions And Answers

Here you can find Operating System Questions and Answers.

Why Operating System Questions and Answers Required?

In this Operating System Questions and Answers section you can learn and practice Operating System Questions and Answers to improve your skills in order to face technical inerview conducted by organisations. By Practicing these interview questions, you can easily crack any Exams interview.

Where can I get Operating System Questions and Answers?

AllIndiaExams provides you lots Operating System Questions and Answers with proper explanation. Fully solved examples with detailed answer description. All students, freshers can download Operating System Questions and Answers as PDF files and eBooks.

How to solve these Operating System Questions and Answers?

You no need to worry, we have given lots of Operating System Questions and Answers and also we have provided lots of FAQ's to quickly answer the questions in the Competitive Exams interview.

Operating System Questions and Answers - Chapters

  • Basics Questions & Answers
  • CPU Scheduling Questions & Answers
  • Deadlocks Questions and Answers
  • Memory Management Questions and Answers
  • RAID Questions and Answers
  • Processes Questions and Answers
  • Security Questions and Answers
  • Interfaces Questions & Answers
  • Semaphores Questions & Answers
  • Virtual Memory Questions & Answers
  • Threads Questions & Answers

Basics Questions & Answers

1. What is operating system?

Basics Questions & Answers

2. To access the services of operating system, the interface is provided by the:

Basics Questions & Answers

3. Which one of the following is not true?

Basics Questions & Answers

4. Which one of the following error will be handle by the operating system?

Basics Questions & Answers

5. The main function of the command interpreter is:

CPU Scheduling Questions & Answers

1. Which module gives control of the CPU to the process selected by the short-term scheduler?

CPU Scheduling Questions & Answers

2. The processes that are residing in main memory and are ready and waiting to execute are kept on a list called:

CPU Scheduling Questions & Answers

3. The interval from the time of submission of a process to the time of completion is termed as:

CPU Scheduling Questions & Answers

4. Which scheduling algorithm allocates the CPU first to the process that requests the CPU first?

CPU Scheduling Questions & Answers

5. In priority scheduling algorithm:

Deadlocks Questions and Answers

1. What is the reusable resource?

Deadlocks Questions and Answers

2. Which of the following condition is required for deadlock to be possible?

Deadlocks Questions and Answers

3. A system is in the safe state if:

Deadlocks Questions and Answers

4. The circular wait condition can be prevented by:

Deadlocks Questions and Answers

5. Which one of the following is the deadlock avoidance algorithm?

Memory Management Questions and Answers

1. CPU fetches the instruction from memory according to the value of:

Memory Management Questions and Answers

2. A memory buffer used to accommodate a speed differential is called:

Memory Management Questions and Answers

3. Which one of the following is the address generated by CPU?

Memory Management Questions and Answers

4. Run time mapping from virtual to physical address is done by:

Memory Management Questions and Answers

5. Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called:

RAID Questions and Answers

1. RAID level 3 supports a lower number of I/Os per second, because _______________.

RAID Questions and Answers

2. RAID level _____ is also known as block interleaved parity organisation and uses block level striping and keeps a parity block on a seperate disk.

RAID Questions and Answers

3. A performance problem with _________ is the expense of computing and writing parity.

RAID Questions and Answers

4. In RAID level 4, one block read, accesses __________.

RAID Questions and Answers

5. The overall I/O rate in RAID level 4 is :

Processes Questions and Answers

1. The systems which allows only one process execution at a time, are called:

Processes Questions and Answers

2. In operating system, each process has its own:

Processes Questions and Answers

3. In Unix, Which system call creates the new process?

Processes Questions and Answers

4. A process can be terminated due to:

Processes Questions and Answers

5. What is the ready state of a process?

Security Questions and Answers

1. Which of the following are forms of malicious attack ?

Security Questions and Answers

2. What are common security threats ?

Security Questions and Answers

3. From the following, which is not a common file permission ?

Security Questions and Answers

4. Which of the following is a good practice ?

Security Questions and Answers

5. What is not a good practice for user administration ?

Semaphores Questions and Answers

1. An un-interruptible unit is known as :

Semaphores Questions and Answers

2. The TestAndSet instruction is executed :

Semaphores Questions and Answers

3. Semaphore is a/an _______ to solve the critical section problem.

Semaphores Questions and Answers

4. Spinlocks are :

Semaphores Questions and Answers

5. The main disadvantage of spinlocks is that :

Virtual Memory Questions & Answers

1. Because of virtual memory, the memory can be shared among:

Virtual Memory Questions & Answers

2. _____ is the concept in which a process is copied into main memory from the secondary memory according to the requirement.

Virtual Memory Questions & Answers

3. The pager concerns with the:

Virtual Memory Questions & Answers

4. Swap space exists in:

Virtual Memory Questions & Answers

5. When a program tries to access a page that is mapped in address space but not loaded in physical memory, then?

Threads Questions & Answers

1. Which one of the following is not shared by threads?

Threads Questions & Answers

2. A process can be:

Threads Questions & Answers

3. If one thread opens a file with read privileges then:

Threads Questions & Answers

4. The time required to create a new thread in an existing process is:

Threads Questions & Answers

5. When the event for which a thread is blocked occurs,

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Operating System Multiple Choice Questions and Answers

This is the questions and answers section on "Operating Systems" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Are you ready to know about the OS topics? At the last of this article, we have provided the Operating System Multiple Choice Questions and Answers with explanations. So, the applicants can move to the below sections of this page and take part in the Operating System Online Test. We have presented the multiple choice questions in the below Operating System Quiz. All the contenders can check the details of the Operating System Mock Test and learn the questions and answers. Hence, the competitors who are eager to get all the topics of the Operating System need to participate in the Operating System MCQ Quiz. Refer to all the portions which are provided on this page and know about the Operating System Quiz.



Operating System Questions - Operating System Quiz Details

Online Test Name Operating System
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz


All the applicants need to know the fundamentals of the OS to answer the Operating System Questions in the examinations and interviews. Therefore, we have gathered all the topics questions and arranged in the below Operating System Questions Online Test. An operating system is system software that manages the computer hardware and software resources and provides common services for computer programs. Other specialized classes of the operating systems, such as the embedded and real-time systems, exist for many applications. Before taking part in the Operating System Online Test, the contenders need to know all the primary key points.



Operating System Quiz Topics Covered

The contenders can get the Operating System Questions from the topics like Deadlocks, RAID, Security, Virtual Memory, CPU Scheduling, Memory Management, Processes, Semaphores, and Threads, etc. So, all the aspirants need to check the Operating System Online Test and learn all the questions and answers. By checking and referring to all the topics, the contenders can know the various types of questions along with the answers. Furthermore, the students need to gather all the key points by taking part in the Operating System Quiz.

Operating System MCQ Quiz Answers

Aspirants need to read the given question and pick the right option among the given alternatives. All the applicants can check the answers along with the explanation to all the Operating System Questions. Contenders can click on the View Answer button to know which is the right option among the given alternatives. Follow Allindiaexams.in to practice more online tests and quizzes and to prepare for the interviews and the examinations. Lastly, All the Best to all the applicants who are preparing for the interviews and the entrance tests.

  • Basics
  • CPU Scheduling
  • Deadlocks
  • Memory Management
  • RAID
  • Processes
  • Security
  • Semaphores
  • Virtual Memory
  • Threads

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