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create a truth table for the following sequential circuit

create a truth table for the following sequential circuit

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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create a truth table for the following sequential circuit 

This image depicts a digital circuit diagram featuring two D flip-flops, logic gates, and a clock input (Clk). Here's a detailed explanation: 1. **Inputs and Outputs**: - There is a primary input labeled as 'X'. - The circuit has two outputs: 'A' and 'B'. 2. **Logic Gates**: - The top part of the circuit contains an XOR gate which takes two inputs: the primary input 'X' and the output from the bottom D flip-flop ('B'). The output of this XOR gate is connected to the input of the top D flip-flop (labeled 'A'). - The bottom part has an AND gate that also takes 'X' and 'B' as its inputs. Its output is connected to the input of the bottom D flip-flop. 3. **D Flip-Flops**: - There are two D flip-flops in the circuit: - The top D flip-flop has its data input connected to the output of the XOR gate and outputs to 'A'. - The bottom D flip-flop has its data input connected to the output of the AND gate and outputs to 'B'. - Both flip-flops are triggered by the same clock signal ('Clk'). 4. **Feedback Loop**: - The output 'B' from the bottom D flip-flop is fed back into both the XOR and AND gates, creating a feedback loop that influences future outputs based on previous states. This circuit can be used in state machines or sequential logic sections where outputs change based on both the clock signal and previous states, showcasing feedback mechanisms in digital electronics.
Transcribed Image Text:This image depicts a digital circuit diagram featuring two D flip-flops, logic gates, and a clock input (Clk). Here's a detailed explanation: 1. **Inputs and Outputs**: - There is a primary input labeled as 'X'. - The circuit has two outputs: 'A' and 'B'. 2. **Logic Gates**: - The top part of the circuit contains an XOR gate which takes two inputs: the primary input 'X' and the output from the bottom D flip-flop ('B'). The output of this XOR gate is connected to the input of the top D flip-flop (labeled 'A'). - The bottom part has an AND gate that also takes 'X' and 'B' as its inputs. Its output is connected to the input of the bottom D flip-flop. 3. **D Flip-Flops**: - There are two D flip-flops in the circuit: - The top D flip-flop has its data input connected to the output of the XOR gate and outputs to 'A'. - The bottom D flip-flop has its data input connected to the output of the AND gate and outputs to 'B'. - Both flip-flops are triggered by the same clock signal ('Clk'). 4. **Feedback Loop**: - The output 'B' from the bottom D flip-flop is fed back into both the XOR and AND gates, creating a feedback loop that influences future outputs based on previous states. This circuit can be used in state machines or sequential logic sections where outputs change based on both the clock signal and previous states, showcasing feedback mechanisms in digital electronics.
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