Yr9 CS Programming Concepts

What is the definition of a variable?

• Something that is stored by the computer but the value changes.

• Something used by the computer

• Something that cannot be changed

• Something that is not stored but the value changes

An example of a variable is...

• Score

• height of the Eiffel tower

• Weight of a Share packet of haribo

• Amount of pages in a textbook

What is an algorithm?

• A sequence of instructions

• Something to do with maths

• something that goes on until it is told to stop

• Allows you to identify errors in your code and fix them

What is meant by the term iteration?

• A list of instructions for completing a task

• Repeating a block of code

• Giving a value to a variable

• Breaking a problem down into simple parts

What is meant by the term 'selection'?

• Giving a value to a variable

• Making a decision between different conditions

• Waiting for user input

• Outputting the result of a calculation

Which of the following best defines the term "algorithm"?

• A combination of zeroes and ones that represents an instruction to the computer
• The rules for writing instructions in a specific programming language
• A set of step-by-step instructions to solve a problem or perform a task
• A way to write programming code in short English phrases to describe the program components

What is the variable in this image?

• show

• -172

• forever

• score

What will the cat say when this script is run?

• Have a nice day. (only)

• Here's some fruit. (only)

• Here's some fruit. Have a nice day.

• You can't have any. Have a nice day.

Repeating a statement more than once or until a condition is met is called a..?

• Loop
• Sequence
• Repetition
• Event

In scratch, a character or object is called? 

• Spirit
• Sprint
• Sprite
• Split