Revise 2.2.1 and 2.2.2

• Computing
• Upper Secondary (Key Stage 4)
• GCSE

Teach 2.2.1 and 2.2.2

Question the Answer

Can you write the question to these answers!!

A value that can change, usually when the program is running

An item of data that will not change during the program execution

a character that represents a specific mathematical or logical action or process

to provide or give something to the computer (usually entered or a signal)

where you set and/or re-set the value stored in memory denoted by a variable
like x = 5

Either * / - or +

Either OR, AND or NOT

Data types?

What would you use to store a first name

1. String
2. Real
3. Integer
4. Boolean

What would you use to store a phone number

1. String
2. Real
3. Integer
4. Boolean

What would you use to store a price of a product?

1. String
2. Real
3. Integer
4. Boolean

What would you use to store whether the customer qualifies for a discount?

1. String
2. Real
3. Integer
4. Boolean

What would you use to store how many children you have?

1. String
2. Real
3. Integer
4. Boolean

Casting

Turning one datatype into another one when coding

EG

x = input("how old are you?")

if int(x)>=18:

     print("Adult")