Which of the following is an invalid 8421 BCD code?
Options
- A. 0101
- B. 1001
- C. 1010
- D. 0011
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
C. 1010
Detailed Explanation
Correct Answer: (C) 1010In 8421 BCD, only codes 0000 through 1001 are valid because they represent decimal digits 0 through 9. Codes 1010 through 1111 are invalid BCD combinations.