20 - Activity 2: Another Vending Machine Consider the...

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COCO In-Class Activity 10/30/06 Activity 1: Even Parity Checker a. Fill up the symbolic and encoded state table for an even parity checker (outputs 1 when the number of bits seen so far = even) 1 0 1 Present State Even Input 0 Next State Symbolic State Transition Table Output Even Odd Odd 1 0 Odd [0] Reset Even [1] 1 0 State Diagram Output Next State 1 0 1 Input 0 Present State Even Even Odd Odd Encoded State Transition Table b. Implement the circuit using a D flip-flop. c. Implement the circuit using a T flip-flop. ECSE-2610 Computer Components & Operations, Fall 2000 Page 1 of 2
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Unformatted text preview: Activity 2: Another Vending Machine Consider the vending machine similar to the one discussed in class which opens at when 10c or more is deposited (instead of 15c or more as done in class). a. Draw the minimized state diagram, fill up the symbolic and encoded state tables. Symbolic State Table Inputs Present State D N Next State Output Open 0 cents 5 cents 10 cents Encoded State Table Inputs Present State D N Next State Output Open b. Assuming a D-flip flop implementation, minimize the K-maps and write the functions for D0, D1 and Open. Use the reverse portion of this sheet for your K-maps ....
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This homework help was uploaded on 04/22/2008 for the course ECSE 2610 taught by Professor Ji during the Spring '08 term at Rensselaer Polytechnic Institute.

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20 - Activity 2: Another Vending Machine Consider the...

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