data representation

Question 1

disadvantage of binary data representation

Answer 1

not readable (:. non-binary advantage is readable)

Question 2

disadvantage of hexa

Answer 2

takes up more storage space (bc each ASCII char takes up 7bits, hexa is ASCII char)

Question 3

why unicode > ascii ?

Answer 3

• unicode is a universal char encoding standard that is able to represent char beyond the ascii range such that it allows international/other symbols to be used for (context)
• ascii only uses up to 1byte, unicode uses up to 4bytes to represent char (:. cater to wider set of encoding needs)

Question 4

why ascii < hexa

Answer 4

ascii req more space
bc 7bits/char compared to hexa 4bits/char