Question

In: Computer Science

Construct a finite-state machine, using combinational logic for an apple vending machine that only accepts nickels...

Construct a finite-state machine, using combinational logic for an apple vending machine that only accepts nickels (5 cents). When 15 cents is deposited the user can push a button to receive an apple and the machine resets. If the user inserts more than 15 cents no money will be returned.

What are the machine states?
What are the inputs?
What are the outputs?
Draw state table
Draw state diagram
Write the combinational logic for next state and output
Explain if you built a Mealy or Moore machine

Expert Solution

Answer : Given data

* The above mentioned apple vending machine has 3 states:

A: 00 ( 0 cents)

B: 01 ( 5 cents )

C: 10 (10 cents)

* The vending machine is Mealy machine...!!!

* In melay machine inputs and outputs are associated, so this condition is satisfied by the above vending manchine.

* here input is " 5 cents " and output is obainted for 15 cents which is an apple.

* So the state Diagram is as shown below:

* INPUT = N which is either 0 or 1.

* From the above state diagram the state table can be derived as follows:

* STATE equations for next state (L *, M* ) AND OUTPUT O are

________________THE END__________________

venereology answered 1 year ago

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