Computer Mcqs – Online Test Preparation #1 – Jobs680

Welcome to Jobs680.com Computer Science Past Paper MCQs Test Preparation Series. This is the first part of Computer series. We are presenting you Computer MCQs Quizzes questions from FIA, NTS, PTS, OTS, CTSP, CTS, Virtual University, FPSC Jobs, PPSC Jobs, KPPSC Jobs, SPSC Jobs, BPSC Jobs, AJKPSC Jobs, Pak Army, Pakistan Navy, PAF ( Pakistan Air force) and ISSB Past Papers. We know that every Candidate tries his best to obtain maximum marks In written Test. JOBS680 helps you to achieve your goal of getting good Marks in your job test.

Computer Questions Online Preparation Instructions:

1. This Computer online Quizzes Preparation test consists of 20 questions of Computer Science.
2. Don’t forget to “Finish” to check your Computer MCQs preparation result and acquired marks and percentage.
3. Practice this test at least 2 times if you want to get High Marks in Computer test.
4. If you found any incorrect answer in these quizzes. Simply touch on the quiz title and comment below on that mcqs. So that JOBS680’s team can update the incorrect answer on time.

Results

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#1. What is the operating system?

A) The interface between the hardware and the application program.

A) The interface between the hardware and the application program.

B) A set of programs that manage hardware resources.

B) A set of programs that manage hardware resources.

C) System service provider for application programs.

C) System service provider for application programs.

D) All mention

D) All mention

#2. What is the main function of command translator?

A) Provide an interface between the API and the application program.

A) Provide an interface between the API and the application program.

B) Handling files in the operating system.

B) Handling files in the operating system.

C) Receiving and executing the next user-specific command.

C) Receiving and executing the next user-specific command.

D) none of the above

D) none of the above

#3. In the operating system, which of the following is the CPU scheduling algorithm?

A) Priority

A) Priority

B) Round Robin

B) Round Robin

C) The smallest job first.

C) The smallest job first.

D) All mention

D) All mention

#4. For accessing operating system services, the interface provides ___________

A) API

A) API

B) System call

B) System call

C) Assembly instructions

C) Assembly instructions

D) library

D) library

#5. CPU scheduling is the basis of ___________?

A) Multi-programming operating system

A) Multi-programming operating system

B) Large memory size system.

B) Large memory size system.

C) Multiprocessor system

C) Multiprocessor system

D) None of the above

D) None of the above

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#6. Which of the following is not true?

A) The kernel stays in memory throughout the computer session.

A) The kernel stays in memory throughout the computer session.

B) The kernel is made up of various modules that cannot be loaded into the operating system.

B) The kernel is made up of various modules that cannot be loaded into the operating system.

C) The kernel is the first part of the operating system to be loaded into memory during booting.

C) The kernel is the first part of the operating system to be loaded into memory during booting.

D) Dana is the program that is the core of the operating system.

D) Dana is the program that is the core of the operating system.

#7. Which of the following errors will the operating system handle?

A) . All mention

A) . All mention

B) Connection failure in the network.

B) Connection failure in the network.

C) Power failure

C) Power failure

D) Lack of paper in the printer

D) Lack of paper in the printer

#8. Where is the operating system stored in memory?

A) Either more or less memory (depending on the location of the obstruction vector)

A) Either more or less memory (depending on the location of the obstruction vector)

B) In low memory

B) In low memory

C) In high memory

C) In high memory

D) None of the above

D) None of the above

#9. If an operation fails, most operating systems write error information as _______?

A) New file

A) New file

B) Another ongoing process.

B) Another ongoing process.

C) Log file.

C) Log file.

D) None of the above

D) None of the above

#10. Which of the following is not a real time operating system?

A) Rt Linux

A) Rt Linux

B) Palm OS

B) Palm OS

C) QNX.

C) QNX.

D) VX Works

D) VX Works

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#11. What's in OS X?

A) Single kernel with modules.

A) Single kernel with modules.

B) Micro kernel

B) Micro kernel

C) One cup of grain.

C) One cup of grain.

D) Hybrid kernel

D) Hybrid kernel

#12. In an operating system, each process has its own __________?

A) Open the files.

A) Open the files.

B) Alarms, signals and signal handlers.

B) Alarms, signals and signal handlers.

C) Address space and global variables.

C) Address space and global variables.

D) All mention

D) All mention

#13. In a time share operating system, when a time slot assigned to a process is reached, does the process change from the current state?

A) Suspended state

A) Suspended state

B) End condition

B) End condition

C) Ready condition

C) Ready condition

D) Blocked condition

D) Blocked condition

#14. Cascading termination refers to the termination of all child processing if the parent process is terminated?

A) Normally or abnormally

A) Normally or abnormally

B) Extraordinarily

B) Extraordinarily

C) In general

C) In general

D) None of the above

D) None of the above

#15. When a process is in "Blocked" state waiting for some I/O service. When the service is completed, it goes to __________?3

A) terminated state

A) terminated state

B) suspended state

B) suspended state

C) running state

C) running state

D) ready state

D) ready state

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#16. Temporary operating system code is a code that _____________?

A) Always remembered.

A) Always remembered.

B) Never enters memory space.

B) Never enters memory space.

C) Comes and goes as needed.

C) Comes and goes as needed.

D) Not easily accessible

D) Not easily accessible

#17. The part of the process scheduler in the operating system that sends the process is related to ________?

A) Assign a ready-made process in the waiting line.

A) Assign a ready-made process in the waiting line.

B) Explain the process running in the blocking queue.

B) Explain the process running in the blocking queue.

C) Assign the CPU ready process.

C) Assign the CPU ready process.

D) All mention

D) All mention

#18. The part of the process scheduler in the operating system that sends the process is related to ________?

A) Assign a ready-made process in the waiting line.

A) Assign a ready-made process in the waiting line.

B) Explain the process running in the blocking queue.

B) Explain the process running in the blocking queue.

C) Assign the CPU ready process.

C) Assign the CPU ready process.

D) All mention

D) All mention

#19. The FCFS algorithm is particularly troubling for ____________?

A) Operating system

A) Operating system

B) Multiprocessor system

B) Multiprocessor system

C) Time sharing system.

C) Time sharing system.

D) Multi-programming system

D) Multi-programming system

#20. For an efficient operating system, when to check for a breakdown?

A) Resources are requested each time at a specified time interval.

A) Resources are requested each time at a specified time interval.

B) At specific time intervals.

B) At specific time intervals.

C) Every time resources are requested.

C) Every time resources are requested.

D) None of the above

D) None of the above

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Finish

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