Binary: Difference between revisions

From Computer Science Wiki
No edit summary
Line 24: Line 24:
== Why is this so important? ==
== Why is this so important? ==


If we can represent numbers as '''1 and 0''', why not represent numbers as '''on and off'''? If we can represent letters as numbers (A = 65, B = 66) couldn't we also say A =   
If we can represent numbers as '''1 and 0''', why not represent numbers as '''on and off'''? If we can represent letters as numbers (A = 65, B = 66) couldn't we also say A =  01000001 and B = 01000010?
 
Binary representation is the essence of how computers work.


[[Category:Binary]]
[[Category:Binary]]
[[Category:Very important ideas in computer science]]
[[Category:Very important ideas in computer science]]

Revision as of 15:36, 15 April 2016

This is a basic concept in computer science

Binary

This is one of the better videos I've seen on binary.


Binary Translation table

128 64 32 16 8 4 2 1

Do you understand binary?

Click here to test yourself

Why is this so important?

If we can represent numbers as 1 and 0, why not represent numbers as on and off? If we can represent letters as numbers (A = 65, B = 66) couldn't we also say A = 01000001 and B = 01000010?

Binary representation is the essence of how computers work.