Design Notation

Question 1

Why is programme design important?

Answer 1

If errors are discovered in the design section then it can save time and money, and means the error is easier to correct.

Question 2

Name 3 types of design notation?

Answer 2

Flow charts, Pseudocode, Structure diagram/chart.

Question 3

The psuedocode used in the exam is called ‘Haggis’.

Answer 3

.

Question 4

Why is Psuedocode a good design notation to use?

Answer 4

It is similar to how the actual program may look.

Question 5

What is a flowchart?

Answer 5

A flowchart is a diagram which uses shaped boxes with text inside to describe the program and the steps it will follow.

Question 6

What is Psuedocode?

Answer 6

Psuedocode is written using English words, it resembles a simplified programming language.

Question 7

What is a diamond shape in a flow chart?

Answer 7

A choice.

Question 8

What is a rectangle in a flow chart?

Answer 8

A process/task/action/operation.

Question 9

What is a structure diagram?

Answer 9

This is similar to a flow chart but instead of outlining steps and the order, this breaks down the individual steps.

Question 10

What is a predefined function?

Answer 10

A command that the programming language has built in, for example ‘ask’, ‘put’ etc in LiveCode

Question 11

What is a user defined function?

Answer 11

A function which the user writes the code for and saves as a function so that there is less copying and pasting of code.