October 2006
Intermediate to advanced
544 pages
14h 29m
English
Content preview from Digital Systems
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Chapter 2
Number Systems
OBJECTIVE
In this chapter, we shall learn the concept of various number systems: binary, octal, decimal, hexadecimal, and conversion from one to another.
BASIC CONCEPTS
2.1 DECIMAL NUMBER
A decimal number is a number based upon ten values: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Suppose there are twelve apples. How can we represent twelve? One is that take one for each apple and write 111111111111. Easier way is write 2 at the right most position and 1 at the left of 2 and assume that weight (w) of the left side digit is always ten times (wd = 10) compared to the neighboring one on the right side. Now, the number 12 is twelve represented by only two digits, 12 one digit is at right position (p = 0) and other is at the left ...
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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.