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Reil [10]
3 years ago
12

Which line in the following program will cause a compiler error? 1 #include 2 using namespace std; 3 int main() 4 { 5 int number

= 5; 6 if (number >= 0 && <= 100) 7 cout << "passed.\n"; 8 else 9 cout << "failed.\n"; 10 return 0; 11 }
Computers and Technology
1 answer:
Elden [556K]3 years ago
3 0

Answer:

Line 1

Explanation:

Line one is not complete. It should have been #include <iostream> This line tells the compiler to use the input and output header file for this program, the iostream header file contains the functions necessary for output statements used in 7 and 8

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6 0
3 years ago
g Write a program that prompts the user for an integer n between 1 and 100. If the number is outside the range, it prints an err
grin007 [14]

Answer:

The cpp program is given below.

#include<iostream>

#include<iomanip>

using namespace std;

int main() {

   

   // variables declared

   int n;

   int sum=0;

   float avg;

   

   do

   {

       // user input taken for number    

       cout<< "Enter a number between 1 and 100 (inclusive): ";

       cin>>n;

       

       if(n<1 || n>100)

           cout<<" Number is out of range. Enter valid number."<<endl;

       

   }while(n<1 || n>100);

   

   cout<<" "<<endl;

   

   // printing even numbers between num and 50  

   for(int num=1; num<=n; num++)

   {

       sum = sum + num;

   }

   

   avg = sum/n;

   

   // displaying sum and average

   cout<<"Sum of numbers between 1 and "<<n<<" is "<<sum<<endl;

   cout<<"Average of numbers between 1 and "<<n<<" is ";

   printf("%.2f", avg);

   

       return 0;

}

OUTPUT

Enter a number between 1 and 100 (inclusive): 123

Number is out of range. Enter valid number.

Enter a number between 1 and 100 (inclusive): 56

 

Sum of numbers between 1 and 56 is 1596

Average of numbers between 1 and 56 is 28.00

Explanation:

The program is explained below.

1. Two integer variables are declared to hold the number, n, and to hold the sum of numbers from 1 to n, sum. The variable sum is initialized to 0.

2. One float variable, avg, is declared to hold average of numbers from 1 to n.

3. User input is taken for n inside do-while loop. The loop executes till user enters value between 1 and 100. Otherwise, error message is printed.

4. The for loop executes over variable num, which runs from 1 to user-entered value of n.

5. Inside for loop, all the values of num are added to sum.

sum = sum + num;

6. Outside for loop, average is computed and stored in avg.

avg = sum/n;

7. The average is printed with two numbers after decimal using the following code.

printf("%.2f", avg);

8. The program ends with return statement.

9. All the code is written inside main() and no classes are involved.

3 0
3 years ago
Which of the following is CORRECT about database managementsystem's languages?
scZoUnD [109]

Answer:

Data manipulation languages are used for the retrieval of the,insertion,deletion and modification of data.

Explanation:

Data Manipulation Languages(DML) are used to insert,delete,update,modify the data in the database.

The commands used to do these operations are as following:-

INSERT INTO :-This command is used to insert values in the database.

DELETE:-It is used to delete existing records from the table.

UPDATE:- It is used to modify the records in the table.

SELECT:- It is used to select data from database.

3 0
3 years ago
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