Draw the State Diagram
Digital Watch
Consider a simple digital watch which has a display and two buttons to set it, the A button and the B
button. The watch has two modes of operation, display time mode, the watch displays hours and
minutes, separated by a flashing colon. The set time mode has two sub modes: set hours and set
minutes. The A button selects modes. Each time it is pressed, the mode advances in sequence: display,
set hours, set minutes, display etc. Within the sub modes, the B button advances the hours or minutes
once each time it is pressed. Buttons must be released before they can generate another event.
Answer:
State Chart Diagram
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