Computer Science Assessment Revision (October 2019)

Question	Answer
What are Natural numbers and what is their symbol?	Any positive whole number, including 0 - ℕ
What are Integers and what is their symbol?	Any whole number (positive or negative) - ℤ
What are Rational numbers and what is their symbol?	A number that can be represented as a fraction - ℚ
What are Irrational numbers and what is their symbol?	A number that can only be expressed as a symbol - No symbol
What are Real numbers and what is their symbol?	Can be represented by a fractional component - ℝ
What are Ordinal numbers and what is their symbol?	A number defining the position of something - No symbol
What are Natural and Real numbers used for?	Natural - Counting Real - Measuring

Resource summary

	Created by Jonathan Pearson-Key almost 5 years ago