In our toy vending machine we have defined: ○ Different levels for toys. ○ Card use for access the different levels . ○ Level’s categories are according to the age of children.

1. TOYS VENDING MACHINE
PRESENTING BY : ZARA TARIQ
INSTRUCTOR: MS SAMAN

2. INTRODUCTION
In our toy vending machine we have defined:
 Different levels for toys.
 Card use for access the different levels .
 Level’s categories are according to the age of children.

3. TRANSITION GRAPH
Mealy Machine

4. SOLUTION
Stages
Q0 = 0
Q1 = 5
Q2 = 10
Q3 = 15
Q4 = 20
Q5 = 25 & More
Levels
Level 1 = 0 Month To 6 Month = L1
Level 2 = 7 Month To 12 Month = L2
Level 3 = 1 Year To 3 Year = L3
Level 4 = 4 Year To 8 Year = L4
Level 5 = 9 Year To 12 Year = L5
Inputs
White Card = 5 Rs = W
Pink Card = 10 Rs = P
Blue Card = 15 Rs = B
Green Card = 20 Rs = G
Yellow Card = 25 Rs = Y
Σ ={ W,P,G,Y,B,L1, L2, L3, L4, L5}
Output
┌ = { 1,0}

5. TRANSITION TABLE
sΣ W P B G Y L1 L2 L3 L4 L5
Q0 Q1 q2 q3 q4 q5 q0 q0 q0 q0 q0
Q1 Q1 q3 q4 q5 q5 q0 q1 q1 q1 q1
Q2 Q3 q4 q5 q5 q5 q1 q0 q2 q2 q2
Q3 Q4 q5 q5 q5 q5 q2 q1 q0 q3 q3
Q4 Q5 q5 q5 q5 q5 q3 q2 q1 q0 q4
Q5 Q5 q5 q5 q5 q5 q4 q3 q2 q1 q0
sΣ W P B G Y L1 L2 L3 L4 L5
q0 0 0 0 0 0 0 0 0 0 0
q1 0 0 0 0 0 1 0 0 0 0
q2 0 0 0 0 0 1 1 0 0 0
q3 0 0 0 0 0 1 1 1 0 0
q4 0 0 0 0 0 1 1 1 1 0
q5 0 0 0 0 0 1 1 1 1 1
Output states Output states