sequential devices sequential concept: output depends on present as well as past inputs past...
Post on 20-Jan-2018
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Sequential Devices Concept not limited to digital systems Example: Elevator; has states: –Current position (floor) –Direction (up/down) –Next state depends on Inputs (buttons pressed by passengers) Current state (floor and direction) State diagrams: graphical representation of sequential circuits –States: denoted by circles –Transitions: by arcs or arrows, labeled with inputs and outputs.
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