Operating System MCQs - MCQtimes.com

To ensure that the hold and wait condition never occurs in the system, it must be ensured that ____________

whenever a resource is requested by a process, it is not holding any other resources

each process must request and be allocated all its resources before it begins its execution

a process can request resources only when it has none

all of the mentioned

c – A process may request some resources and use them. Before it can can request any additional resources, however it must release all the resources that it is currently allocated.

Author: rikazzz Comment

OS CPU Scheduling

What are the two steps of a process execution?

I/O & OS Burst

CPU & I/O Burst

Memory & I/O Burst

OS & Memory Burst

Author: rikazzz Comment

OS Protection

How is disadvantage of all-or-nothing approach overcome?

Base/Bound

Relocation technique

Fence method

Tagged architecture

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OS The Linux System

Linux uses a time-sharing algorithm ___________

to pair preemptive scheduling between multiple processes

for tasks where absolute priorities are more important than fairness

all of the mentioned

none of the mentioned

Author: rikazzz Comment

OS File Systems and Their Implementation

The information about all files is kept in ____________

swap space

operating system

seperate directory structure

none of the mentioned

Author: rikazzz Comment

OS The Linux System

Increasing the RAM of a computer typically improves performance because ____________

Virtual memory increases

Larger RAMs are faster

Fewer page faults occur

None of the mentioned

Author: rikazzz Comment

OS File Systems and Their Implementation

There is no __________ with linked allocation.

internal fragmentation

external fragmentation

starvation

all of the mentioned

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OS Deadlocks

A system is in a safe state only if there exists a ____________

safe allocation

safe resource

safe sequence

all of the mentioned

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OS Mass-Storage Structures

The set of tracks that are at one arm position make up a ___________

magnetic disks

electrical disks

assemblies

cylinders

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OS File Systems and Their Implementation

With a shared file _____________

actual file exists

there are two copies of the file

the changes made by one person are not reflected to the other

the changes made by one person are reflected to the other

Author: rikazzz Comment