A. Binary Coded Decimal
B. Bit Coded Decimal
C. Binary Coded Digit
D. Bit Coded Digit

Solution

A. Binary Coded Decimal

Explanation

BCD is a binary coded notation in which each of the decimal digits is expressed as a 8-bit binary numeral. For example in binary coded decimal notation 12 is 0001 0010 as opposed to 1100 in pure binary.