Alphanumeric Codes Should Include at Least

Multiple Choice

Alphanumeric codes should include at least:

A) the alphabet upper and lowercase letters, the decimal digits, the 7 punctuation marks, and other characters or symbols.
B) the capacity to code all possible decimal numbers in a direct octal representation of BCD codes.
C) the ability to represent decimal numbers greater then 128₁₀ in a straight binary format.
D) the capacity to represent the alphabet upper and lowercase characters and the decimal numbers in a straight binary format.