August 2013
Beginner
464 pages
16h 15m
English
Content preview from Express Learning - Computer Fundamentals and Programming
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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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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.