Understanding Algorithms and Flowcharts

Which of the following best describes an algorithm?

• A picture of a process

• A list of steps to solve a problem

• A programming language

• A machine instruction

What should be the first step in any algorithm?

• End

• Output

• Start

• Process

The purpose of a flowchart is to:

• Show pictures of a computer

• Represent steps using symbols

• Decorate a project

• Replace coding

Which symbol represents the start or end in a flowchart?

• Rectangle

• Diamond

• Oval

• Parallelogram

Which one is an example of a daily-life algorithm?

• Watching TV

• Following a recipe to bake a cake

• Sleeping at night

• Drawing a picture

What is the correct order for making a cup of tea?

• Pour tea → Add sugar → Boil water

• Boil water → Pour tea → Add sugar

• Add sugar → Drink → Boil water

• Drink → Boil water → Add tea

In a flowchart, a diamond shape is used for:

• Start

• Input/Output

• Decision

• Process

Which of the following is NOT part of an algorithm?

• Input

• Output

• Decoration

• Process

What will be the output of the algorithm: 'Input two numbers, Add them, Show the result'?

• The two numbers

• Their sum

• Their difference

• Their product

A flowchart that shows 'Start → Input number → Add 10 → Display result → End' will output what if input = 5?

• 10

• 15

• 20

• 5