WEEK 8

Binary numbers

 Counting in base two

Counting in tens came from the fact that man has ten fingers. The counting system using ten

as a base was internationally accepted. Other counting systems varied over places.

The base ten systems is also known as decimal base denary. The digits in base ten are 0,

1, 2, 3, 4, 5, 6, 7, 8, 9. We can write one hundred and twenty-three as 123. The expanded