Chapter 1 Number system theory Flashcards
Quick revision (6 cards)
1
Q
What are natural numbers?
A
Counting numbers starting from 1 (1, 2, 3, …). They are denoted by “N”
2
Q
What are whole numbers?
A
Natural Numbers + 0 . Denoted by “W”
3
Q
What are integers?
A
Whole numbers and their negatives. Denoted by “Z”
4
Q
Rational number?
A
Numbers expressed in p by q form ,where p and q belong to integers and q isn’t equal to 0
5
Q
Irrational number?
A
Numbers whose decimal expansion are non terminating and non repeating.
6
Q
Real numbers?
A
Combination of rational and irrational number
