October 2006
Intermediate to advanced
544 pages
14h 29m
English
Content preview from Digital Systems
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Chapter 1
Basic Digital Concepts
OBJECTIVE
In this chapter, we shall learn the concept of a digital circuit and its logic states, ‘1’ and ‘0’. We shall also understand the differences between analog and digital circuits.
BASIC CONCEPTS
1.1 CONCEPTS OF ‘1’s, ‘0’s
An electronic circuit in which a state switches (changes) between two distinct states when there is a change in the input states or conditions is called a digital circuit. A state of a circuit means either a distinct region of output or input voltages or currents or frequencies or phases or conditions of a circuit. One of the regions is represented by a logic ‘true’ or 1 or ‘high’ or ‘yes’ state and the other region is represented by a logic ‘false’ or 0 or ‘low’ or ‘no’ state.
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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.