Subprograms

Subprograms

Functions and Procedures

Multiple Select

In this lesson I am going to learn to ... ?

• Create functions

• Create procedures

• Use separation of concerns

• Work as part of a team

Multiple Choice

Main difference between a function and a procedure?

• Functions return somethng while Procedures don't

• Procedures return somethng while Functions don't

• Procedures are longer than functions

• Functions are more complicated than Procedures

Multiple Choice

Which is the best definition of a 'subprogram'?

• A small independent computer program

• A piece of code that can not run independently of a main program

• A badly written piece of code

• A named block of code that usually carries out a single action or returns a result

Multiple Select

Select all the valid reasons for using subprograms ...

• To take advantage of previously written and tested blocks of code

• To able to easily reuse a block of code sevevral times

• To provide structure to a program

• To allow different programmers to work on seperate parts of a program

Multiple Choice

Which symbol is NOT a valid one in a flowchart?

Multiple Choice

Which is correct the flowchart symbol for calliing a subprogram?

Fill in the Blanks

The point at which each part of a program interacts with another part is called the

Multiple Select

Select all the advantages of having a 'separation of concerns' in a programming team.

• Different programmers can work on different modules

• Individual modules can be developed and tested independently from the main program

• More efficient use of programmers time

• Final program will run faster

Multiple Choice

Why do you think subprograms are also known as 'black boxes'?

• Because they have a top, middle and bottom

• Because the internal functioning of the subprogram is not relevant to the programmer

• Because nobody understands how they work

• Because it sounds like a cool name

Multiple Select

In this lesson I have learned to ...

• Create functions and procedures

• Use separation of concerns

• c

• d

Open Ended

Thinking Hard

Reduce the key argument in today’s lesson into exactly 12 words...

(press Shift+Enter to take a new line ...)

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it