The correct answer is: B. ASCII
ASCII stands for American Standard Code for Information Interchange. It is a character encoding standard that assigns 7-bit codes to 128 characters. ASCII is the most widely used character encoding standard in the world. It is used in many different applications, including text processing, data communication, and programming.
EBCDIC stands for Extended Binary Coded Decimal Interchange Code. It is a character encoding standard that assigns 8-bit codes to 256 characters. EBCDIC is used primarily by IBM mainframe computers.
SNA stands for Systems Network Architecture. It is a network architecture developed by IBM. SNA is used to connect IBM mainframe computers to other devices, such as terminals, printers, and file servers.
Hexadecimal is a number system that uses 16 different digits, 0-9 and A-F. Hexadecimal is often used to represent binary data, because each hexadecimal digit can represent four binary digits.
None of the above is not a valid answer.