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ec311hw09

# ec311hw09 - EC 311 Introduction to Logic Design Fall 2009...

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ec311hw09 11/6/2009 EC 311 – Introduction to Logic Design Fall 2009 Homework Assignment # 9 11/06/09 Due Date: 11/17/09 (in class) (20)Problem 1: Consider a Moore machine that has 6 flip-flops, 4 inputs and 8 outputs. (i) What are the minimum and maximum numbers of states in the state diagram? (ii) What are the minimum and maximum numbers of transition arrows going out of a particular state? (iii) What are the minimum and maximum numbers of transition arrows coming into a particular state? (i) What are the minimum and maximum numbers of different binary patterns that can be displayed on the outputs? (15)Problem 2: Is the following circuit a Moore machine or Mealy machine? Show its state transition diagram, and state transition table. (15)Problem 3: A synchronous sequential device has one serial input and one serial output. It continuously monitors the input and updates its output. It outputs a 1 when the past four input values are 1101 (assuming one input value per clock period). It outputs a 0 otherwise. For instance, when the input sequence is 11101101, its output will contain 2

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ec311hw09 - EC 311 Introduction to Logic Design Fall 2009...

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