data representation Flashcards
1
Q
disadvantage of binary data representation
A
not readable
aka OTHER representation are human-readable
2
Q
disadvantage of hexa
A
takes up more storage space (bc each ASCII char takes up 7bits, hexa is ASCII char)
3
Q
why unicode > ascii ?
A
- 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)
4
Q
why ascii < hexa
A
ascii req more space
bc 7bits/char compared to hexa 4bits/char
