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Which of the following is not a valid BCD:
- A1001
- B1000
- C1010
- D0111
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CCommunity
The BCD stands for Binary Coded Decimal
The BCD exists only for decimal numbers 0-9
Following are the BCD codes of the digits
Decimal
Equivalent BCD
0
0000
1
0001
2
0010
3
0011
4
0100
5
0101
6
0110
7
0111
8
1000
9
1001
In option C the decimal equivalent is:
10102 = 8 + 2 = 10
Which is not a valid BCD.
The BCD exists only for decimal numbers 0-9
Following are the BCD codes of the digits
Decimal
Equivalent BCD
0
0000
1
0001
2
0010
3
0011
4
0100
5
0101
6
0110
7
0111
8
1000
9
1001
In option C the decimal equivalent is:
10102 = 8 + 2 = 10
Which is not a valid BCD.