Data Representation

Question 1

character set

Answer 1

collections of characters that a computer recognises from their binary representation

Question 2

Character set examples

Answer 2

ASCII, Unicode

Question 3

ASCII bits + features

Answer 3

7 bits = 128 chars
- an extra 0 is added to the start = 8 bits = 1 byte
(extended ascii uses 8 bit = 256 for french + german)
- English only
-ordered

Question 4

Unicode

Answer 4

• tries to cover EVERY POSSIBLE LETTER/SYMBOL
• all major langs, even w diff alphabet
• First 128 the same as ascii