How are arguments passed by value or by reference?
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Q: Explain the difference between passing a variable by value and passing it by reference.
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How are arguments passed by value or by reference?
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- What is the difference between call by reference and call by value when it comes to Memory usage Function parameter data types Access to variables sent as parametersPlease help with homework assignment! Language is C. Please answer as simply as you can. Thank you! Write two functions, main and question_1. The main function is the start of your program, and question_1 passes in a double and and a pointer of an integer. question_1 does not have a return type. In the main function, create an integer with the value of 8. Call question_1 and pass in the value 5.75 as the double and the value of the integer. Afterwards print out the be value of the integer. In the function question_1, add the double value to the integer. HINT: You will need to cast the double in order to add them together. When running this program, your end result should print out the value 13. Don't trick the program to just print 13, because there is no points assigned here, instead all the points are in the process of getting to 13.What is a named argument, and how does it work?
- A specific class of C++ variable is a pointer variable. Do you understand how to utilize it?Function #2: largest Parameters: num1 - a floating point number being compared against num2 and num3 num2 - a floating point number being compared against num1 and num3 num3 - a floating point number being compared against num1 and num2 Description: Write a function that takes in three numbers as parameters and prints out the largest of the three. If two or all of the numbers are equal, or even all three, then just print the value once. Test Cases: >>>largest(433.1, 2340.32, 12323.7) 12323.7 >>>largest(12.0, 32.1, 32.1) 32.1 >>>largest(23.44, 23.44, 23.44) 23.44Why is it necessary to define functions when writing code?