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just want to know how we determine the Q0(t+1) and Q1(t+1) in the very last part in the table. Thanks

just want to know how we determine the Q0(t+1) and Q1(t+1) in the very last part in the table. Thanks

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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I just want to know how we determine the Q0(t+1) and Q1(t+1) in the very last part in the table. Thanks

1/0 0/0 0/1 0/0 1/0 So S1 S2 1/1 2. Design the state machine with 2 D flip-flops. Write the state table. PS\ Input x(t) = 0 x(t) = 1 S1,0 S1,0 S1,1 So: Init S1: 0 S2: 01 So,0 S2,0 So,1 3. Design the system with two D flip-flops. Describe y(t), D1(t), Do(t) as functions of variables (x, Q1(t), Qo(t)) in minimal sum-of-products expressions. No need to draw the logic diagram. Assign binary bits for each state, So = 00 S1 = 01 S2 = 10 The excitation table is derived from the state table. Since we are using D Flip-Flops to design the state machine, the state expressions for the 2 D Flip-Flops are D1(t) = Q1(t+ 1) Do(t) = Qo(t + 1) id Q1(t) Qo(t) x(t) Q1(t+ 1) Qo(t+1) y(t) 1 1 1 2 1 1 3 1 1 1 0. 4 1 1 1 1 1 1 6 1 1 X 7 1 1 1 X
Transcribed Image Text:1/0 0/0 0/1 0/0 1/0 So S1 S2 1/1 2. Design the state machine with 2 D flip-flops. Write the state table. PS\ Input x(t) = 0 x(t) = 1 S1,0 S1,0 S1,1 So: Init S1: 0 S2: 01 So,0 S2,0 So,1 3. Design the system with two D flip-flops. Describe y(t), D1(t), Do(t) as functions of variables (x, Q1(t), Qo(t)) in minimal sum-of-products expressions. No need to draw the logic diagram. Assign binary bits for each state, So = 00 S1 = 01 S2 = 10 The excitation table is derived from the state table. Since we are using D Flip-Flops to design the state machine, the state expressions for the 2 D Flip-Flops are D1(t) = Q1(t+ 1) Do(t) = Qo(t + 1) id Q1(t) Qo(t) x(t) Q1(t+ 1) Qo(t+1) y(t) 1 1 1 2 1 1 3 1 1 1 0. 4 1 1 1 1 1 1 6 1 1 X 7 1 1 1 X
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