programming

Question 1

what is an algorithm?

Answer 1

an algorithm is a set of rules which need to be followed in a specific order in order for them to be successful.

Question 2

how can algorithms be expressed?

Answer 2

as a flowchart or as pseudo code

Question 3

what is a flowchart?

Answer 3

a flowchart is a diagrammatic representation of the data

flow and structure for the solution

Question 4

what is pseudo code?

Answer 4

pseudo code is a structured form of English used to

define the steps needed to solve a problem

Question 5

name the purpose of the following shapes in a flowchart:

• diamond
• square
• rounded square

Answer 5

• diamond: decision
• square: inputs, outputs, processes
• rounded square: start and stop

Question 6

what language is pseudo code in?

Answer 6

English

Question 7

is pseudo code written in code?

Answer 7

no, it is written in English

Question 8

what do the arrows in a flowchart symbolise?

Answer 8

the direction of data flow.

Question 9

true or false?:

algorithms can be executed in any order.

Answer 9

false: they must be followed in a specific order.

Question 10

what is an iteration?

Answer 10

an iteration is a loop in the code.