Topic 5 - Fundamentals of Data Representation - Number Systems Flashcards
1
Q
What are Natural numbers (N) ?
A
All positive whole numbers and zero
2
Q
What are Integer numbers (Z) ?
A
All whole positive and negative numbers, including zero
3
Q
What are Rational Numbers (Q) ?
A
Numbers that can be written exactly as a fraction of one number over another
4
Q
What are irrational numbers?
A
Numbers that cannot be written exactly as a fraction
5
Q
What are real numbers (R) ?
A
All real world quantities. It includes rational and irrational numbers
6
Q
What are ordinal numbers?
A
Integers that can describe numerical positions of objects in relation to others e.g. 1st, 2nd or 3rd
7
Q
What group of numbers are most appropriate for:
Counting
Measuring
A
Counting - Natural Numbers
Measuring - Real Numbers
