charcter encoding

Question 1

ASCII

Answer 1

7-bit ASCII
characters only in the english language
128 different characters
extra but is sometimes added to the start

Question 2

Unicode

Answer 2

every possible letter or symbol that might be written
uses multiple bytes for each character
all major languages covered
first 127 unicode is the same as ascii

Question 3

extended ascii uses how many bits

Answer 3

8 bits to represent 256 characters