Question on OS Concept Quiz-1

Question 1

Time: 00:00:00
Which is TRUE about virtual memory in Operating system?

In virtual one program cannot access or modify the memory of the another.

In virtual one program cannot access or modify the memory of the another.

The program executes in a virtual machine will have the same virtual address and physical address.

The program executes in a virtual machine will have the same virtual address and physical address.

Virtual memory is not divided into many segments.

Virtual memory is not divided into many segments.

Many programs cannot be executed at once.

Many programs cannot be executed at once.

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Question 2

Time: 00:00:00
________ support system provides a system call interface that serves as the link to system calls made available by the operating system.

System-kernel

System-kernel

Run-time

Run-time

Process-control

Process-control

Register-call

Register-call

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Question 3

Time: 00:00:00
Consider the following definition and indicate the what does it refer to :

i. The code is loaded only upon its reference.

ii.Results in better memory -space utilization.

iii.Better in scenarios of huge code.

 

 

Dynamic Loading

Dynamic Loading

Dynamic Linking

Dynamic Linking

Dynamic Compiling

Dynamic Compiling

State Loading

State Loading

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Question 4

Time: 00:00:00
Consider the CPU burst time required by the processes P1, P2 and P3 are 4,6 and 2 microseconds respectively. What is the average time of waiting when a non pre-emptive Shortest Job First scheduling algorithm is used?

4 microsecond

4 microsecond

6 microsecond

6 microsecond

10 microsecond

10 microsecond

7 microsecond

7 microsecond

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Question 5

Time: 00:00:00
Which of the following are the causes for memory related problems?

l. Using memory not initialized.

ll.Using more memory than allocated.

lll.Using Faulty heap memory management.

 

l,ll and lll

l,ll and lll

l and lll

l and lll

ll and lll

ll and lll

ll only

ll only

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Question 6

Time: 00:00:00
Which of the following happens when a second process tries to enter the monitor procedure?

The first process under execution is kept in the wait state and notified after the second process completes execution.

The first process under execution is kept in the wait state and notified after the second process completes execution.

The first process under execution is pre-empted and the second process is executed.

The first process under execution is pre-empted and the second process is executed.

The second process is blocked until the first process is completed.

The second process is blocked until the first process is completed.

Monitor throws an unhandled system signal to the kernel.

Monitor throws an unhandled system signal to the kernel.

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Question 7

Time: 00:00:00
How does the undo mechanism work in an editor?

The changes are kept in a stack. When the user presses \"undo\" the stack of changes is pushed.

The changes are kept in a stack. When the user presses \"undo\" the stack of changes is pushed.

The changes are kept in a queue. When the user presses \"undo\" the stack of changes is poped.

The changes are kept in a queue. When the user presses \"undo\" the stack of changes is poped.

The changes are kept in a stack. When the user presses \"undo\" the stack of changes is queued.

The changes are kept in a stack. When the user presses \"undo\" the stack of changes is queued.

The changes are kept in a stack. When the user presses \"undo\" the stack of changes is poped.

The changes are kept in a stack. When the user presses \"undo\" the stack of changes is poped.

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Question 8

Time: 00:00:00
Which process can affect or be affected by other processes executing in the system?

cooperating process

cooperating process

init process

init process

parent process

parent process

child process

child process

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Question 9

Time: 00:00:00
A device that forwards data packet from one network to another is called a

Bridge

Bridge

Switch

Switch

Hub

Hub

Gateway

Gateway

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Question 10

Time: 00:00:00
Resolution of externally defined symbols is performed by

Assembler

Assembler

Loader

Loader

Compiler

Compiler

Linker

Linker

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["0","40","60","80","100"]
["Need more practice! \n","Keep trying! \n","Not bad! \n","Good work! \n","Perfect! \n"]
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June 24, 2019