Functions

A .................... is a named block of code that is used to perform a task and will return one or more values (called the 'return value’).

A ................. can be called by another part of the program but does not return a value.

• Procedure, Function

• Argument, Parameter

• Function, Procedure

• Paramete, Argument

Which one of the following statements describes an advantage of subroutines?

• Subroutines are always defined by the user, and these cannot be combined.

• When creating very large programs, you can give different programmers different subroutines to write, and these can then be combined.

• Procedures allow values to be returned to the procedure call.

Parameter is ......

• The variable that information is passed to in a function

• The data that is passed to a function

• Data is sent back to be used by the main program after a function has been run.

Argument is ......

• The variable that information is passed to in a function

• The data that is passed to a function

• Data is sent back to be used by the main program after a function has been run.

In structured programming:

Each subroutine should have a clear interface. The data that the subroutine needs to manipulate or use should be specified as parameters which can be accepted by value or by reference.

• True

• False

In structured programming:

Each procedural program will have a main subroutine.

• True

• False

In structured programming:

If the subroutine returns something, a single return statement at the end of the subroutine should be used.

• True

• False

In structured programming:

The data that the subroutine needs to manipulate or use should be specified as parameters which can be accepted by value or by reference.

• True

• False