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agasfer [191]
3 years ago
10

The google android mobile operating system is a proprietary system, for use on only approved devices.​

Computers and Technology
1 answer:
balandron [24]3 years ago
7 0
I would choose b. False
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Lucky Sevens. Given a whole number, compute and display how many digits in the number are 7s. For example, the number of 7s in 3
Sveta_85 [38]

Answer:

Code is in both c++ and java

Explanation:

C++ Code

#include<iostream>  

#include <sstream>  // for string streams  

#include <string>  // for string  

using namespace std;  

int main()  

{  

   int num;  

   cout<<"Enter Non-Negative number :";

  cin>> num;

   // declaring output string stream  

   ostringstream str1;  

   // Sending a number as a stream into output  

   // string  

   str1 << num;  

   // the str() coverts number into string  

   string geek = str1.str();  

   int count =0;

  for (int i = 0; i < geek.size(); i++){

    if(geek[i]=='7'){

     count++;  

 }

}

   // Displaying the string  

   cout << "the number of 7s in "<<num<< "is"<<count;

 

   return 0;  

}

Java Code

import java.util.Scanner;

public class LuckySeven{

   public static void main(String[] args){

       Scanner scanner = new Scanner(System.in);

       System.out.print("Enter Number :");

       int number = scanner.nextInt();

       String numberString = number+"";

       int count =numberString.length()- numberString.replaceAll("7","").length();

       System.out.println("Number of 7's in "+numberString+" are "+count);

   }

}

Code Explanation

First we need to take integer number as input from user.

As we need to iterate through all of the digits in number, that's why we need to convert integer to string as string is an array of character so we will iterate through number array and match the total count of 7 on every index.

At the end we will display the total count of 7 in number.

Sample Output

Case 1

Enter Non-Negative number :3482

the number of 7s in 3482 is 0

Case 2

Enter Non-Negative number :372771

the number of 7s in 372771 is 3

6 0
3 years ago
In the past, workers would usually complete ______. a. A variety of tasks on a daily basis b. The same tasks every day c. Thinki
yKpoI14uk [10]

Answer:

B

Explanation:

did it on edge

5 0
3 years ago
Read 2 more answers
This is a graded practice activity. This is not an actual quiz.
Lerok [7]

Answer:

0

Explanation:

x=27

y=5

22+(27-5)

22+(22)

0

8 0
1 year ago
A technician has a client’s laptop that is randomly shutting down. Which of the following is the FIRST step of the troubleshooti
Bad White [126]

Answer:

B

.Identify the problem

6 0
3 years ago
Given a list ` = (x1 x2 . . . xn−1 xn), we define two rotations of the list: The left-rotation is (x2 . . . xn−1 xn x1) and, lik
aleksandrvk [35]

Explanation:

The below code has been written in C language

void rotateright(int list[], int n)

{

  int x = list[n-1]

  int i;

  for (i = n-1; i > 0; i--)

     list[i] = list[i-1];

  list[0] = x;

}

void rotateleft(int list[], int n)

{

  int x = list[0]

  int i;

  for (i = 1; i < n-1 ; i++)

     list[i] = list[i+1];

  list[n-1] = x;

}

int main()

{

   int list[] = {x1, x2, x3, ... x(n-1),xn}

   int i;

   int n = sizeof(list);

       

   rotateright(list, n);

 

   rotateleft(list, n);

   

   return 0;

}

3 0
3 years ago
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