Operating System MCQ Set 1

MCQ Set 1

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MCQ Set 1

Total Questions: 25

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1. To get the physical address from the logical address generated by CPU we use ____________

MMU

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2. . _____ method is used to map logical addresses of variable length onto physical memory.

Segmentation

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3. Physical memory is divided into sets of finite size called as ______

Frames

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4. During the transfer of data between the processor and memory we use ____

Registers

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5. In Unix, which system call creates the new process?

fork()

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6. To access the services of the operating system, the interface is provided by the ___________

System calls

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7. CPU scheduling is the basis of ___________

multiprogramming operating systems

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8. Which one of the following is not true?

kernel is made of various modules which can not be loaded in running operating system

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9. Which one of the following errors will be handle by the operating system?

all of the mentioned

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10. If a process fails, most operating system write the error information to a ______

log file

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11. In operating system, each process has its own __________

all of the mentioned

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12. In a timeshare operating system, when the time slot assigned to a process is completed, the process switches from the current state to?

Ready state

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13. Cascading termination refers to the termination of all child processes if the parent process terminates ______

Normally or abnormally

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14. The portion of the process scheduler in an operating system that dispatches processes is concerned with ____________

assigning ready processes to CPU

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15. The FCFS algorithm is particularly troublesome for ____________

time sharing systems

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16. The operating system is responsible for?

all of the mentioned

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17. Hard real time operating system has ______________ jitter than a soft real time operating system.

less

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18. What are the characteristics of Host based IDS?

All of the mentioned

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19. The information about all files is kept in ____________

separate directory structure

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20. The operating system keeps a small table containing information about all open files called ____________

open-file table

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21. To recover from failures in the network operations _____________ information may be maintained.

state

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22. On systems where there are multiple operating system, the decision to load a particular one is done by _____________

boot loader

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23. The two steps the operating system takes to use a disk to hold its files are _______ and ________

partitioning & logical formatting

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24. The number of processes completed per unit time is known as __________

Throughput

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25. What are the characteristics of stack based IDS?

They are integrated closely with the TCP/IP stack and watch packets

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