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3 years ago

Explain the need for data structures when developing software.

Computers and Technology

1 answer:

Sergio [31]3 years ago

4 0

Solution:

It is important because, it has to do operation on so without, data structures and algorithms.

It performs these operation:

1)Take an input

2) Process it

3) Give back the output.

The input can be in any form, for ex while searching for directions on google maps, the starting point and the destination as input to google maps, while logging in to any social sites, We have to give our email and password as input and so on.

Similarly, in the third step, the computer application gives us output in some form or the other.

To make this process efficient, we need to optimize all the three steps.

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3 years ago

What is the correct syntax to take the first five characters from the cell and place to its right in cell A3?

olga nikolaevna [1]

Answer:

In cell A3 we type

=Right(A2,5)

Explanation:

The Right function in the Microsoft excel is placing the character or the string into the right position .Following are the syntax to using the right function in the excel sheet

=Right(cell name,num _of_character )

cell name-In this we have to specify the cell name

num_of_character -In this we have to specify the number of character we want the right of the cell name .

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4 0

3 years ago

Write a recursive function that returns 1 if an array of size n is in sorted order and 0 otherwise. Note: If array a stores 3, 6

galina1969 [7]

Answer:

The function in C++ is as follows:

int isSorted(int ar[], int n){

if ( $n == 1$ || $n == 0$ ){

return 1;}

if ( $ar[n - 1]$ < $ar[n - 2]$ ){

return 0;}

return isSorted(ar, n - 1);}

Explanation:

This defines the function

int isSorted(int ar[], int n){

This represents the base case; n = 1 or 0 will return 1 (i.e. the array is sorted)

if ( $n == 1$ || $n == 0$ ){

return 1;}

This checks if the current element is less than the previous array element; If yes, the array is not sorted

if ( $ar[n - 1]$ < $ar[n - 2]$ ){

return 0;}

This calls the function, recursively

return isSorted(ar, n - 1);

}

6 0

3 years ago