Programming Fundamentals

A variable is a ​ (a)   space in memory which contains a value that ​ (b)   change whilst the program is ​ (c)   .

• named
• can
• running
• anonymous
• not running
• cannot
• will
• idle

One which line is an output occurring in this code?

Match these code snippets with the action being performed.

• Concatenation

• x = 7

• Assignment

• x + 10

• Addition

• 5 ** 2

• Raising to the power 2.

• "duck" + "goat"

What is the name given to converting one data type into another?

Which of these are variables used in this code?

• h

• w

• a

• print

• int

Build a line of code that will cast the variable score to be an integer and re-assign it into the score variable.

​ (a)   ​ (b)   ​ (c)   ​ (d)  

• score
• =
• int
• (score)

Match these example data items with their data type.

• String

• 107

• Float

• 'Hello'

• Boolean

• true

• Integer

• 3.14

Click on the hotspot that is showing concatenation.

Would this code work?

• Yes!

• No!

Which of these are purposes of using comments?

• Add explanation to code for other programmers.

• Stop some lines of code running to aid debugging.

• Add explanation of code for the computer.

• Ensures code will run as intended.