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Authors:
M. Morris Mano, Michael D. Ciletti
Chapter:
Digital Systems And Binary Numbers
Exercise:
Problems
Question:22 | ISBN:9780132774208 | Edition: 5

Question

Convert decimal 6,514 to both BCD and ASCII codes. For ASCII, an even parity bit is to be appended at the left.

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Answer

1.22

Ans: A number with k decimal digits will require 4k bits in BCD.

 So Decimal 6514 requires 16bits in BCD

(6514)₁₀= (0110 0101 0001 0100) BCD

 

ASCII is a seven‐bit code

(0 0110110 0110101 0110001 0110100)ASCII

The ‘0’ in the left most position is the even parity.

0 0

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