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How many BCD code bits and how many straight binary bits would be required to represent the decimal number 643

🗓 Nov 27, 2024

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Sophi ~ Malikipuram 🌐 India
Answer: 12-bits for BCD and 10-bits for binary

Value of 6 in BCD is 0110.

Value of 4 in BCD is 0100.

Value of 3 in BCD is 0011.

So 643 requires 12 bits.



Now for decimal to binary conversion.



2| 643

2| 321---1.

2| 160---1.

2| 80----0.

2| 40----0.

2| 20----0.

2| 10----0.

2| 5-----0.

2| 2-----1.

2| 1-----0.



So counting from down to up 1010000011 total 10 straight binary bits are required.
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lavish 🌐 National Capital Territory of Delhi
[A]. 12 BCD, 12 binary
[B]. 12 BCD, 10 binary @
[C]. 12 BCD, 9 binary
[D]. 16 BCD, 9 binary
Answer: Option B
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