The Decimal Number System Is NOT Used in Digital Systems

Multiple Choice

The decimal number system is NOT used in digital systems because:

A) the decimal digits to the left of the decimal point are normally raised to negative exponent values.
B) it is difficult to design electronic equipment that will recognize ten different voltage levels.
C) the binary system is NOT a weighted positional value system like the decimal system.
D) it would take a greater number of decimal digits than binary digits to express a given quantity.