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MCQ's Test For PPSC Computer Science Topic 19 Operating System
Try The MCQ's Test For PPSC Computer Science Topic 19 Operating System
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Total Questions20
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Time Allowed20
PPSC Computer Science Topic 19 Operating System
00:00
Question # 1
Dirty bit is used ot show
Question # 2
In which scheduling policies context switching never takes place
Question # 3
Size of virtual memory depends on
Question # 4
How many links are created when we create a directory file.
Question # 5
What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition.
Question # 6
Which is not a valid file type in LINUX.
Question # 7
If two files on same partition point to the same inode structure they are called.
Question # 8
Seek analysis is for.
Question # 9
Distributed systems should.
Question # 10
Reference bit is used for
Question # 11
Re location bits used by relocating loader are a pacified by
Question # 12
Which command is used to extract a column from a text file.
Question # 13
A series of statements explaining how the data is to be processed is called.
Question # 14
Which command is used to set terminal input output characteristics
Question # 15
Solaris is product of.
Question # 16
Which of the following memory allocation scheme is subject to external fragmentation.
Question # 17
Disk scheduling includes decinding
Question # 18
Which command is used to determine the path of an executable file.
Question # 19
Belady anomaly occurs in.
Question # 20
What communication command provides communication to another user logged on by writing to the bottom of their terminal
Top Scorers Of PPSC Computer Science Topic 19 Operating System MCQ`s Test
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A ashi khan 18 - Jun - 2022 00 Min 06 Sec 20/20 -
S Sana Rasheed 09 - Feb - 2022 02 Min 12 Sec 19/20 -
M Mehran Ali 06 - Jan - 2021 03 Min 25 Sec 19/20 -
A ammara shaffiq 26 - Dec - 2021 02 Min 22 Sec 18/20 -
K kashif mahmood 11 - Jan - 2024 02 Min 57 Sec 18/20 -
A Arshad Mehmood 13 - Jun - 2024 03 Min 26 Sec 18/20 -
I Iqra Saher 01 - Aug - 2022 01 Min 33 Sec 17/20 -
T Teeba Khan 16 - Jun - 2022 01 Min 53 Sec 17/20 -
S skyhigh 03 - Apr - 2023 02 Min 20 Sec 17/20 -
H Huraira irfan 22 - Aug - 2024 02 Min 29 Sec 16/20 -
S Saddiqa Javaid 1107-FBAS/MSCS/F21 30 - Dec - 2021 03 Min 32 Sec 16/20 -
A Aisha Tariq khan 30 - Dec - 2021 02 Min 49 Sec 15/20 -
A Ahsan 24 - Jun - 2024 05 Min 28 Sec 14/20 -
U Unknown 09 - Feb - 2022 10 Min 29 Sec 14/20 -
H Hera Malik 29 - Dec - 2021 04 Min 05 Sec 12/20
PPSC ComputerScience Chapter 19 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Memory protection is normally done by |
A. The processor and the associated hardware
B. The operating system
C. The compiler
D. The user program
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| 2 | Which LINUX command is used to update the modification time of a file. |
A. UPDATE
B. MODIFY
C. TOUCH
D. UNTOCUH
|
| 3 | How many links are created when we create a directory file. |
A. 1
B. 2
C. 3
D. 4
|
| 4 | Which process is known for initializing a microcomputer with its OS. |
A. Cold booting
B. Boot recording
C. Booting
D. Warm booting
|
| 5 | All the abbreviations is vi editor can be shown by |
A. All
B. ab
C. atat
D. ashow
|
| 6 | Which command is LINUX is concerned with backup. |
A. tar
B. zip
C. cpio
D. untar
|
| 7 | Which of the following memory allocation scheme is subject to external fragmentation. |
A. Segmentation
B. Swapping
C. Demand paging
D. Multiple contiguous fixed partitions
|
| 8 | What is the maximum number of processes that may enter simultaneously inside the critical section to avoid race condition. |
A. One
B. Two
C. Three
D. Four
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| 9 | Which of the following does not interrupt an running process. |
A. A device
B. Timer
C. Scheduler process
D. Power failure
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| 10 | Which one shows the name of the operating system. |
A. U name -n
B. Uname -I
C. U name - m
D. U name -o
|
Test Questions