Question

Which of the following statements calls a user-defined function named calc_netpay, and assigns the function's return value to the $$\$ $$net variable? a. calc_netpay( ) ; b. calc_netpay ( ) = $$\$ net$$; c. $$\$net$$ = calc_netpay ( ) ; d. calc_netpay ($$\$net$$) ;

Name: Problem 3, Chapter 7: CGI/Perl (Web Warrior Series)
Uploaded: 2020-06-24T05:30:31-08:00
Duration: 1 min 26 s
Channel: Ernest Castorena
Description: Which of the following statements calls a user-defined function named calcnetpay, and assigns the function's return value to the net variable? a. calcnetpay( ) ; b. calcnetpay ( ) = net; c. = calcnetpay ( ) ; d. calcnetpay () ;

   Which of the following statements calls a user-defined function named calc_netpay, and assigns the function's return value to the $$\$ $$net variable?
a. calc_netpay( ) ;
b. calc_netpay ( ) = $$\$ net$$;
c. $$\$net$$ = calc_netpay ( ) ;
d. calc_netpay ($$\$net$$) ;

CGI/Perl (Web Warrior Series)

Diane Zak 1st Edition

Chapter 7, Problem 3

Instant Answer

Solved by Expert Ernest Castorena

06/24/2020

Step 1

a. calc_netpay( ) ; - This statement calls the function calc_netpay, but it does not assign the return value to the variable $$\$net$$. b. calc_netpay ( ) = $$\$ net$$; - This statement tries to assign the return value of calc_netpay to the variable $$\$net$$, Show more…

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Which of the following statements calls a user-defined function named calc_netpay, and assigns the function's return value to the $$\$ $$net variable? a. calc_netpay( ) ; b. calc_netpay ( ) = $$\$ net$$; c. $$\$net$$ = calc_netpay ( ) ; d. calc_netpay ($$\$net$$) ;

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Key Concepts

User-Defined Function

A user-defined function is a block of code written by the programmer to perform a specific task. It encapsulates a set of instructions that can be called and reused throughout a program, promoting modularity and code organization.

Function Call

A function call is an expression that invokes a function, causing the execution of its block of code. This is done by using the function's name followed by parentheses, possibly with arguments passed in.

Return Value

The return value is the data produced by a function after execution. It is passed back to the point where the function is called, allowing the caller to use this result in further computations or assignments.

Assignment Operator

The assignment operator is used to store a value in a variable. In the context of a function call, it assigns the value returned by the function to the specified variable, making it available for later use.

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