Coding 4 : ASCII

Do you know about ASCII?

ASCII is stands of American Standard Code of Information Interchange. Here is example of ASCII:

Example:

For number 14, biner number is 1110 and Hexagonal number is E.

How I count it?

For biner number, we can see there is 4 digits.

2³+ 2² + 2¹ + 0 = 14.

For hexagonal number, if the decimal number is 0 until 9, the hexagonal number are 0 until 9. But, if the decimal number is more 9, the hexagonal number are A,B,C,D,E,F. A for number 10, B for number 11, until E for number 14. So, the hexagonal number for number 14 is E.