A BCD code that represents each digit of a decimal number by a binary – McqOptions

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1.	A BCD code that represents each digit of a decimal number by a binary number derived by adding 3 to its 4-bit true binary value is _________.
A.	9's complement code
B.	excess-3 code
C.	8421 code
D.	gray code
Answer» C. 8421 code

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