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HackerRank Operating System Quiz- 1

Question 1

Time: 00:00:00

Which is NOT an Operating System?

Paint

Linux

Windows

Ubuntu

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Answer - Option (A)

Explanation - All options except Paint are correct

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Question 2

Time: 00:00:00

Which of the following tasks are performed by the Operating System?

Handling User Interface

File Management

Device Control

All of the above

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All the tasks are performed by operating system hence "all of the above" will be answer

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Question 3

Time: 00:00:00

Which of the following tasks are performed under Device management of OS?

Selection of device for given process and time allocated to it

Allocating memory to files

Helping OS to run multiple processes

Rendering UI

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Answer - Option A
Explanation - Selecting a device for a given process and allocate a time comes under Device management of OS

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Question 4

Time: 00:00:00

What is the main task of Application Handling?

Storing or erasing data

Giving priority to various system activities

Communication between various applications

Allocating access to files

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Explanation - The main task of application handling is to communicate between various applications

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Question 5

Time: 00:00:00

Choose the option which is NOT a type of Operating System?

Batch Operating system

Multi level Operating System

Clustered Operating System

Time Sharing Operating System

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All options except Multi level Operating System is a type of operating system

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Question 6

Time: 00:00:00

When a high process comes into the queue, the less process with less priority moves into which state?

Wait

Ready

New

Running

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Explanation - If a higher process comes into the queue, the process with less priority moves into wait state

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Question 7

Time: 00:00:00

Where are the function parameters of the process stored?

Heap

Stack

Depends

Neither Stack Or Heap

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Stack holds all the temporary data and local variables like function parameters and addresses

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Question 8

Time: 00:00:00

What can be the reason for the process to go into a wait state?

No access to input/output device

Interrupted By OS

May Be Locked by another process

All of the above

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Explanation - All options can be the reason for the process to go into the lock state

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Question 9

Time: 00:00:00

Which Of the following is NOT present in the process control block?

code

stack

bootstrap program

data

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Process Control Block (PCB) contains information related to a process such as Process State, Program Counter, CPU Register, etc. Process Control Block is also known as Task Control Block. Bootstrap program is a program which runs initially when the system or computer is booted or rebooted.

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Question 10

Time: 00:00:00

What is the purpose of CPU Registers in the Process Control Block?

To decide which state the process should be in

To store the address of next instruction

Store list of all input-output process

Before execution, the process is stored here

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Explanation - The process is stored here before execution

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