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kirill [66]
3 years ago
15

What tasks do most operating systems perform?

Computers and Technology
1 answer:
umka2103 [35]3 years ago
8 0

Answer:

The most operating system perform these task that can be given as:

Allocating RAM to open programs.

Creating and maintaining the FAT .

Coordinating the interaction between hardware and software.

Displaying the GUI .

Explanation:

The description of these task as follows:

  • Allocating ram to open program: RAM stands for Random Access Memory in the operating system when we on the computer system so the operating system first load some file that use the ram because it is volatile memory. It works when the system is on.
  • Creating and maintaining the FAT : FAT stands for File Allocation Table. This file stored in the hard drive that usually support 12 or 16-bit cluster for insert data into FAT. This file is only used by the operating system for creating and manages files.
  • An operating system works as an interface between computer hardware and the user. It is a System software that coordinates between hardware and software.
  • Displaying the GUI: The term GUI stands for graphical user interface. It is a feature of operating systems that provide the GUI mode. In this mode, the user can understand things more easily.
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Write a class named Averager containing: An instance variable named sum of type integer, initialized to 0. An instance variable
vladimir1956 [14]

Answer:

The answer to this question can be given as:

Class definition:  

public class Averager  //define class Average.

{

private int sum = 0;

 //define variable sum.

private int count = 0;

 //define variable count.  

public int getSum() //define function getSum().

{

return sum;  //return value.

}

public void add(int x)

//define function add().

{

sum = sum + x;   //calculate sum

count=count+1; //increase value of count.

}

public int add(int x)

 //define function add().

{

return count;  //return value.

}

public double getAverage()  //define function getAverage().

{

return (double)sum/count;  //return value

}

}

Explanation:

The above class definition can be described as:

  • In the above class definition first we define a class that is " Averager". In this class we define two integer variable  that is "sum and count"  and assign a value that is 0. Then we define a functions :
  • First we define getSum() function in this function we does not pass any value and the return type of this function is int that will return an integer value.
  • Then we define add() function we use this function two times but both functions have different from each other.  
  • In first time implementation, we define this function and the return type of this function is void which means it does not return any value. In this function, we calculate the sum value and increase the value of the count variable by 1.  
  • In second time implementation, we define this function and the return type of this function is int which means it will return a value. In this function, we will return the count variable value.
  • At the last, we define a getAverage() that calculates the average of the added values in the sum variable and returns its value.
3 0
3 years ago
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Any answer choices to help out??
7 0
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Sophie [7]

Answer:

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Explanation:

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4 0
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The most appropriate answer is C !! software os used for using hardware !!
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