Understanding Algorithms and Flowcharts

What is an algorithm?

• A type of robot

• A sequence of dance steps

• A set of rules to solve a problem

• A machine part

Which of the following best shows a real-life algorithm?

• Singing a song

• Playing with a ball

• Tying your shoelaces step-by-step

• Looking at the clouds

What tool helps organize algorithms visually?

• Spreadsheet

• Flowchart

• Poster

• Calendar

What does a rectangle in a flowchart represent?

• Input/Output

• Start/End

• Process

• Decision

What symbol represents a decision in a flowchart?

• Circle

• Diamond

• Parallelogram

• Arrow

A parallelogram in a flowchart is used for:

• Making loops

• Input/Output

• Ending a process

• Decisions

Which flowchart symbol shows the direction of the algorithm?

• Oval

• Rectangle

• Arrow

• Triangle

What does a variable do in a program?

• Stores values

• Runs the code

• Ends a loop

• Draws shapes

What kind of data does a boolean variable hold?

• Numbers

• Text

• True or False

• Symbols

Which of these is an example of a string variable?

• 10

• True

• "Hello"

• 5.7