Electronics and Communication Engineering - Digital Electronics - Discussion

Discussion Forum : Digital Electronics - Section 3 (Q.No. 27)
27.
FF16 when converted to 8421BCD =
0000 0101 0101
0010 0101 0101
1111 0101 0101
1000 0101 0101
Answer: Option
Explanation:

FF in hexadecimal = 15 x 16 + 15 = 255 in decimal = 0010 0101 0101 in BCD.

Discussion:
2 comments Page 1 of 1.

Sweta said:   3 years ago
Please explain the given answer.

CHANDAN Y said:   1 month ago
FF base 16 is 255 in decimal(15*16^1+15*16^0).

Now convert 255 to equivalent BCD
5 is (0x8 + 1x4 + 0x2 + 1x1 = 0101).
5 is (0x8 + 1x4 + 0x2 + 1x1 = 0101).
2 is (0x8 + 0x4 + 1x2 + 0x1 = 0010).

Ans: 0010 0101 0101.

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