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Lilit [14]
3 years ago
10

What is operating system​

Computers and Technology
2 answers:
tensa zangetsu [6.8K]3 years ago
5 0

Answer:

Operating System Definition: It is a software that works as an interface between a user and the computer hardware. The primary objective of an operating system is to make computer system convenient to use and to utilize computer hardware in an efficient manner. The operating system performs the basic tasks such as receiving input from the keyboard, processing instructions and sending output to the screen.Examples of operating system are UNIX, MS-DOS, MS-Windows – 98/XP/Vista, Windows-NT/2000, OS/2 and Mac OS.

iren [92.7K]3 years ago
3 0

Answer:

It's simply a software that runs a computer's basic tasks, or functions, such as scheduling, running applications, and controlling peripherals.

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a pratcing dentist

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Open Comments.java and write a class that uses the command window to display the following statement about comments:
riadik2000 [5.3K]

Answer:

Answers to the code are given below with appropriate guidelines on definitions and how to properly run the code

Explanation:

//3 ways to comment are as follows:

//1. This is a one line comment.

/**

* 2. This is a documentation comment.

* @author Your name here

*

*/

/*

*3. This is a multiple line comment

* */

public class Comments {

//Driver method

public static void main(String[]args) {

/*

* All the text written inside the

* sysout method will be displayed on

* to the command prompt/console*/

System.out.println("Program comments are nonexecuting statements you add to a file for the purpose of documentation.\n");

System.out.println("3 ways to add comments in JAVA are as follows: \n");

System.out.println("1. One line comment can be written as:\n//Program comments are nonexecuting statements you add to a file for the purpose of documentation.\n");

System.out.println("2. MultiLine comment can be written as:\n/* Program comments are nonexecuting \n * statements you add to a file for the \n * purpose of documentation.\n */\n");

System.out.println("3. Documentation comment can be written as follows:\n/**\n * Program comments are nonexecuting statements you add to a file for the purpose of documentation.\n **/");

}

}

Steps to Run:

1. Make file named Comments.java, and copy paste the above code.

2. Open command prompt and then go to the directory where you have saved the above created file.

3. The before running compile the code by using command

javac Comments.java

4. Now, run the code by the below command

java Comments.

Congrats your assignment is done!!

8 0
3 years ago
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