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gizmo_the_mogwai [7]
4 years ago
12

An Operating System is an application just like any other applications we use on our computers. What makes an Operating System s

pecial? What does it do differently?
Computers and Technology
1 answer:
tatyana61 [14]4 years ago
3 0

Answer: An operating system(OS) is an interface between the hardware and the user. An OS is built so that it could support other software. OS is a system software which is used to support other application softwares.

Explanation:

An operating system handles all the hardware of the system and allows users access to those hardware components with the help of application softwares.

An OS consist of many libraries and APIs which allows programmers to write and execute codes. There are many types of OS such as real time, multitasking, multi programming OS.

The OS is responsible for allocating memory, managing the hardware, distributing resources across different processors in an distributed system.

So all these features makes them different from application software. The OS is responsible allocating memory and hardware resources to these softwares.

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Answer:

User Mode

Explanation:

Programs Can be Executed in two modes namely:

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User Mode

In User mode, the executing program has no ability to directly access hardware or reference memory. Program running in user mode must delegate to system APIs to access hardware or memory. Due to the protection afforded by this sort of isolation, crashes in user mode are always recoverable. Most of the program running on your computer will execute in user mode.

Kernel Mode

In Kernel mode, the executing program has complete and unrestricted access to the underlying hardware. It can execute any CPU instruction and reference any memory address. Kernel mode is generally reserved for the lowest-level, most trusted functions of the operating system. Crashes in kernel mode are catastrophic; they will halt the entire PC.

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Write a java program to print the following series: <br>1 5 9 13 17...n terms​
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Answer:

In Java:

import java.util.*;

public class Main{

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

int n;

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Explanation:

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int n;

This prompts the user for maximum of the series

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This gets user input for n

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<em> for(int i = 1; i<=n;i+=4){</em>

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Explanation:

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