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Eddi Din [679]
3 years ago
9

To move one screen to the left press ____.

Computers and Technology
1 answer:
Nookie1986 [14]3 years ago
7 0
To move a window to the left side of the screen you would press the "Windows key" + the left arrow key at the same time.
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David would like to send a letter to more than one hundred people. He would like the letter to have names and addresses inserted
Arada [10]
David should create a form letter
8 0
3 years ago
Write the definition of a function that takes as input the three numbers. The function returns true if the first number to the p
sattari [20]

Answer:

I am writing a C++ program.

Here is the function CheckPower() which is a bool return type function which means it will return either true of false. This function has three double type parameters. This function returns true if the first number to the power of the second number equals the third number; otherwise, it returns false.

bool CheckPower(double number1, double number2, double number3)

{

   double power; // stores value of number1 to the power number2

   power = pow(number1,number2); // pow() function to computer power

   if (power==number3) // if the value of power is equal to third no number3

       return true; // returns true

   else // if above condition evaluate to false then returns false

       return false;

}

Explanation:

Lets take the values of number1 = 3, number2 = 2 and number3 = 9 to understand the above function.

The pow() function is a power function to calculate the result of number1 raised to the power of number2. Here number1 is the base number and number2 is exponent number. As number1 = 3 and number2 = 2 so this is equivalent to 3² . So 3 raise to the power 2 is 9. The value stored in power is 9.

power = 9

Next, the if condition checks if the value in power is equal to the value of number3. The value of number3 is 9 and the value in power variable is also 9 so the If condition evaluates to true. So the if part is executed which returns true.

If the value of number3 is, lets say, 10 then the If condition evaluates false as the value of power is not equal to value of number3. So the else part is executed which returns false.

If you want to see the output of this function you can write a main() function as following:

int main()

{   double num1, num2, num3;

   cout << "enter first number: ";

   cin >> num1;

   cout << "enter second number: ";

   cin >> num2;

   cout << "enter third number: ";

   cin >> num3;

   if(CheckPower(num1, num2, num3))

   { cout<<"True";    }

   else

   { cout<<"False";  }    }

This is a main() function which asks the user to enter the values of three numbers num1, num2 and num3. The if condition calls CheckPower() function to check if the first number to the power of the second number equals the third number. If this condition evaluates to true, the message True is displayed on the screen otherwise message False is displayed on output screen.

The screen shot of program along with its output is attached.

3 0
3 years ago
What is the magnitude of the largest positive value you can place in a bool? a char? an int? a float?
MaRussiya [10]

Answer:

A bool can hold only true or false values.

A char can hold maximum 65535 characters.

An int can hold maximum positive value of 2,147,483,647.

A float can hold maximum positive value of 3.4 x 10^{38}.

Explanation:

Primitive data types in Java language can be categorized into boolean and numeric data types.

Numeric can be divided further into floating point and integral type. Floating data type includes float and double values while and integral data type which consists of char, int, short, long and byte data types.

Every data type has a range of values it can hold, i.e., every data type has a minimum and maximum predefined value which it is allowed to hold. The intermediate values fall in the range of that particular data type.

Any value outside the range of that particular data type will not compile and an error message will be displayed.

The data types commonly used in programming are boolean, char, int and float.

A boolean variable can have only two values, true or false.

A char variable can hold from 0 to 65535 characters. Maximum, 65535 characters are allowed in a character variable. At the minimum, a char variable will have no characters or it will be a null char variable, having no value.

An int variable has the range from minimum -2^{31} to maximum 2^{31} – 1. Hence, the maximum positive value an int variable can hold is (2^{31}) – 1.

A float variable can hold minimum value of 1.4 x 10^{-45} and maximum positive value of 3.4 x 10^{38}.

The above description relates to the data types and their respective range of values in Java language.

The values for boolean variable remain the same across all programming languages.

The range of values for char, int and float data types are different in other languages.

7 0
3 years ago
Select the best answer for the question. 2. What is the simplest way to permanently get rid of an unwanted file?
Kobotan [32]
To permanetly get rid of an unwanted file, you delete it
3 0
3 years ago
Namespaces are guaranteed to be unique.<br><br> True<br><br> False
kupik [55]

Answer:

True

Explanation:

Some collection of classes or library functions grouped as one name space. A class which belongs to one namespace is different from the class which belongs to another namespace. we can identify a class uniquely with it's namespace .

for ex:

in c#.net

using system;

System.IO;

here System is the namespace which contains class IO

namespace contains any number of classes . In one namespace we can't define two classes with same Name. We can define two classes with same name in different namespaces

5 0
3 years ago
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