Definitions for computer programming.

1.       Algorithms:  Step by step instructions that are given describes how to reach a goal. Can be used in computers, maths and many more.

2.       Pseudo code: Pseudo means like, pretending to be. Pseudo code means like code, a tool used by programmers to describe an algorithm. It contains standard words like ‘being’, ‘end’ ‘hint’ but it is not, it is not understood by a computer.

3.       Machine Language: Code for an algorithm written in a low level language that only the computer understands. ie; doesn’t have English words.

4.       High Level Computer Language: Contains regular words like ‘if’, ‘then’, ‘else’ etc...

5.       Flowchart: an algorithm described using a diagram. It uses standard symbols eg; diamond symbol is used to selection.

6.       Sequence: is the order in which the steps are carried out.

7.       Selection: In an algorithm is where you have to make a choice, usually between 2 items.

8.       Repetition: Repeating a step again and again until your goal is achieved.

 

1.       Negotiating traffic lights as you drive down a street.

Is the light green? If yes continue driving. If no is the light red? If yes step on the break to stop. If no slow down.