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.
This script is to make Nina the cat say 'I eat poo!' for 2 seconds. The orange instruction is a controlled instruction and the purple is a looks instruction. It makes the sprite Nina say 'I eat poo!' when clicked for the limit of time selected in this case, 2 seconds.
