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Xpress Learning - Computer Fundamentals of Programming an IT by Pearson
book

Xpress Learning - Computer Fundamentals of Programming an IT by Pearson

by Ashok N. Kamthane, Rohit Khurana
May 2024
Beginner to intermediate content levelBeginner to intermediate
465 pages
16h 14m
English
Pearson India
Content preview from Xpress Learning - Computer Fundamentals of Programming an IT by Pearson
I-42 Computer Fundamentals
10. What are the disadvantages of using BCD code? How do we remove this problem? Is BCD
code weighted code? If yes, then explain.
Ans: The disadvantages of using BCD code are as follows:
This coding is not sufficient for business purposes, as a 4-bit BCD code can represent only 16 (that is,
2
4
) symbols, even a 6-bit BCD code can also represent only 64 (that is, 2
6
) symbols.
The BCD representation of a decimal number requires more bits than its equivalent binary
representation. For example, the BCD code of decimal number 215 is 0010 0001 0101 (requires12
bits), while its binary equivalent is 1101 0111 (requires ...
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Publisher Resources

ISBN: 9781299954878