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Exam2r - CompE 270 Digital Systems Exam#2 use additional...

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CompE 270 Digital Systems S10 NAME:____________________ Exam #2 - use additional sheets if needed -- SHOW WORK for partial credit Exam2r.doc 1 Red ID#:_______________ 1) Draw a block diagram showing a generic Mealy state machine with one input, one output, and the minimum number of D flip flops to implement 5 states. 20 pts 2) Draw a block diagram showing a generic Moore state machine with one input, one output, and enough D flip flops to implement 3 states using the “one hot” state machine structure. 20 pts 3) Of the two state machines above, circle which type of state machine applies to each of the following statements: 10 pts total, 2 pts ea a) Mealy or Moore: May have “false outputs” or “glitches” on its outputs. b) Mealy or Moore: Outputs are available earlier than the other type. c) Mealy or Moore: Outputs are a function of state and inputs. d) Mealy or Moore: Outputs are a function of state only. e) Mealy or Moore: Setup and hold times must be maintained to guarantee correct operation.
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CompE 270 NAME:____________ ____ Exam 2 Exam2r.doc 2
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