Flowcharts

What is an algorithm?

• A problem
• A solution to a problem
• The steps that are taken to solve a problem
• The words to enter when typing

Why do computers use algorithms?

• To give computers precise steps to solve a problem.

• Because they are easy to use

• It is the language that computers understand

• To help them predict the future

What is loop / iteration?

• This is choosing what to do next

• This means doing something in order

• It is repeating something over and over again.

• It is writing pseudocode

What is the Output if the user enters:
Yes

• Leave umbrella at home
• Take an umbrella

What is the Output if the temperature is:
19

• Below Freezing
• Above Freezing

What symbol shows a decision?

• oval

• parallelogram

• rectangle

• diamond / rhombus

What is the purpose of a parallelogram within a flowchart?

• Input / Output
• Sub-process
• Decision
• Output

What is the purpose of a rectangle within a flowchart?

• Command / Action / Process

• Input / Output

• Decision

• Begin (Start) / End (Stop)

What is this symbol used for in a flowchart?

• A decision/question
• A task to carry out

What does this symbol represent?

• Decision

• Input/Output

• Start

• Command / Action / Process