2 - Representation of Information

Question 1

Representations of numbers/charactres?

Answer 1

ASCII (basically an 8-bit system, 256 diff. characters)

UniCode (16-bit system, added on to ASCII, ~85,000 characters)

Question 2

Hexadecimal is base…

Answer 2

16! It represents digits 10-15 with A, B, C, D, E, and F.

Question 3

Conventionally hexadecimal numbers are began with…

Answer 3

#

Question 4

A 8-bit binary number can be represented as a ______ -digit hexadecimal number

Answer 4

2

Question 5

How do we represent colors?

Answer 5

Hexadecimal!
Used to do it with rgb, 255^3, but now we can do it with more options with hexadecimal. (added 4th component, amount of transparency!)