Explanation
ASCII is a coding system which provides 128 different characters.
ASCII stand for American Standard Code for Information Interchange.
right answer is
256. Previously it was 128.
Due to absence of graphical symbols representation 128 bits are added for representing these symbols
ASCII uses seven-digit binary numbers—i.e., numbers consisting of various sequences of 0's and 1's. Since there are 128 different possible combinations of seven 0's and 1's, the code can represent 128 different characters.
