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Draw the state diagram below for the stopwatch finite state machine controller that has two inputs (B1 and 2), three outputs (Zero, Running, and Stopped), and the three states listed in the state assignment table below. There are two buttons, named B1 and B2. For each button, pressing the button produces a 1 and not pressing the button produces a 0. B1 works as follows: If the stopwatch is in the Zero state, pressing BI causes it to advance to the Running state. If the stopwatch is in the Running state, pressing B1 causes it to advance to the Stopped state. If the stopwatch is in the Stopped state, pressing B1 causes it to return to the Running state. Pressing B2 has no effect unless the stopwatch is in the Stopped state, in which case pressing B2 (even if B1 is pressed) causes the stopwatch to go to the Zero state. Assume the stopwatch begins in the Zero state. Each output is one when the stopwatch finite state machine is in the state that matches the output name, and zero otherwise. Fill in the Next State Function Truth Table and Output Function Truth Table below for the stopwatch finite state machine controller. Si 0 0 1 1 Bl BOOOooo 1 1 0 0 0 0 0 0 0 1 1 Inputs 1 So 0 1 0 1 B2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 State Name Not Used Zero Running Stopped Present State PSo 0 PS₁ 0 0 1 1 0 0 1 0 0 1 0 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Next State NS₁ NSo Present State PS₁ 0 0 1 1 Outputs Running Stopped Zero PSo 0 1 0 1

Draw the state diagram below for the stopwatch finite state machine controller that has two inputs (B1 and 2), three outputs (Zero, Running, and Stopped), and the three states listed in the state assignment table below. There are two buttons, named B1 and B2. For each button, pressing the button produces a 1 and not pressing the button produces a 0. B1 works as follows: If the stopwatch is in the Zero state, pressing BI causes it to advance to the Running state. If the stopwatch is in the Running state, pressing B1 causes it to advance to the Stopped state. If the stopwatch is in the Stopped state, pressing B1 causes it to return to the Running state. Pressing B2 has no effect unless the stopwatch is in the Stopped state, in which case pressing B2 (even if B1 is pressed) causes the stopwatch to go to the Zero state. Assume the stopwatch begins in the Zero state. Each output is one when the stopwatch finite state machine is in the state that matches the output name, and zero otherwise. Fill in the Next State Function Truth Table and Output Function Truth Table below for the stopwatch finite state machine controller. Si 0 0 1 1 Bl BOOOooo 1 1 0 0 0 0 0 0 0 1 1 Inputs 1 So 0 1 0 1 B2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 State Name Not Used Zero Running Stopped Present State PSo 0 PS₁ 0 0 1 1 0 0 1 0 0 1 0 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Next State NS₁ NSo Present State PS₁ 0 0 1 1 Outputs Running Stopped Zero PSo 0 1 0 1

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Draw the state diagram below for the stopwatch finite state machine controller that has two inputs (B1 and 52), three outputs (Zero, Running, and Stopped), and the three states listed in the state assignment table below. There are two buttons, named B1 and B2. For each button, pressing the button produces a 1 and not pressing the button produces a 0. B1 works as follows: If the stopwatch is in the Zero state, pressing Bl causes it to advance to the Running state. If the stopwatch is in the Running state, pressing B1 causes it to advance to the Stopped state. If the stopwatch is in the Stopped state, pressing B1 causes it to return to the Running state. Pressing B2 has no effect unless the stopwatch is in the Stopped state, in which case pressing B2 (even if B1 is pressed) causes the stopwatch to go to the Zero state. Assume the stopwatch begins in the Zero state. Each output is one when the stopwatch finite state machine is in the state that matches the output name, and zero otherwise. Fill in the Next State Function Truth Table and Output Function Truth Table below for the stopwatch finite state machine controller. Si 0 B1 0 0 0 0 1 1 0 0 0 1 0 0 1 1 1 1 1 1 1 So 0 1 Zero Inputs 0 Running 1 Stopped B2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 State Name Not Used 1 1 Present State PS: PSo 0 0 0 1 1 0 0 1 1 0 0 1 0 0 1 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Next State NS₁ NSo Present State PS₁ PSo 0 0 0 1 0 1 1 1 Zero Outputs Running Stopped
Transcribed Image Text:Draw the state diagram below for the stopwatch finite state machine controller that has two inputs (B1 and 52), three outputs (Zero, Running, and Stopped), and the three states listed in the state assignment table below. There are two buttons, named B1 and B2. For each button, pressing the button produces a 1 and not pressing the button produces a 0. B1 works as follows: If the stopwatch is in the Zero state, pressing Bl causes it to advance to the Running state. If the stopwatch is in the Running state, pressing B1 causes it to advance to the Stopped state. If the stopwatch is in the Stopped state, pressing B1 causes it to return to the Running state. Pressing B2 has no effect unless the stopwatch is in the Stopped state, in which case pressing B2 (even if B1 is pressed) causes the stopwatch to go to the Zero state. Assume the stopwatch begins in the Zero state. Each output is one when the stopwatch finite state machine is in the state that matches the output name, and zero otherwise. Fill in the Next State Function Truth Table and Output Function Truth Table below for the stopwatch finite state machine controller. Si 0 B1 0 0 0 0 1 1 0 0 0 1 0 0 1 1 1 1 1 1 1 So 0 1 Zero Inputs 0 Running 1 Stopped B2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 State Name Not Used 1 1 Present State PS: PSo 0 0 0 1 1 0 0 1 1 0 0 1 0 0 1 1 1 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Next State NS₁ NSo Present State PS₁ PSo 0 0 0 1 0 1 1 1 Zero Outputs Running Stopped
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