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Answer:
b. Paint
Explanation:
Paint was one of Microsoft's application that allowed users to draw basic diagrams and visual representation of objects. Microsoft Paint was discontinued as an addition in the latest versions of Windows, however the app is available for download from Microsoft Store App. Photos is an application of Apple, whereas File Explorer and Notepad are default applications of Windows operating system.
Answer:
The data that is presented in the form of table is easily to analyze and understand instead of writing a paragraph or sentences.
Explanation:
As Simon have the statistical data, that is related to the rivers in North America. This data includes length, area, volume and average flow of water. These all values are numeric values. He is collecting this data to compare and analyze the information gathered.
For analyzing and comparison purpose he should draw the table to that make him to easily understand and compare all the values. As the table contain columns and row, each columns is representing a new parameter such as length, area and volume. Each row contains the information about single parameter of each river such as river 1, river 2 and so on.
Answer:
Following are the code to the given question:
public class Main//defining a class Main
{
static int permut(int n, int r)//defining a method permut that holds two variable
{
return fact(n)/fact(n-r);//use return keyword to return calcuate value
}
static int fact(int n)//defining a fact method as recursive to calculate factorials
{
return n==0?1:n*fact(n-1);//calling the method recursively
}
public static void main(String[] abs)//main function
{
//int n=7,r=4;//defining integer variable
System.out.println(permut(7,4));//use print method to call permut method and print its values
}
}
Output:
840
Explanation:
Following is the explanation for the above code.
- Defining a class Main.
- Inside the class two methods, "permut and fact" were defined, in which the "permut" accepts two values for calculating its permutated value, and the fact is used for calculates factorial values recursively.
- At the last, the main method is declared, which uses the print method to call "permut" and prints its return values.
Answer:
Operating System.
Explanation:
All the properties listed in the question are handled by the Operating system.
Operating system:-It is a software that manages the computer hardware,provides common services for the programs of the computer and software resources.
Some of the most popular operating systems are as following:-
- Microsoft Windows.
- Apple MACOS
- Linux.
There are also other operating systems present out there these are some of the mostly used OS's.