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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can someone let help me understand this truth table?

## State Transition Diagram for ScrollFSM

### Diagram Explanation:
- **States**: The diagram includes four states labeled S0, S1, S2, and S3.
  - S0 (A123): Initial state with a reset condition.
  - S1 (B456), S2 (C789), and S3 (D0EF): Intermediate states.
- **Transitions**:
  - Arrows indicate possible transitions between states based on inputs.
  - Transitions are labeled with `L` for a left input and `R` for a right input.
  - The arrows show how the system moves from one state to another.

## State Transition Diagrams for OneShots

### Upper Diagram (Input: BTNL Output: L)
- **States**: S0 to S1 with transitions based on input/output conditions.
- **Transitions**:
  - 0/0: No change (remain in S0).
  - 1/0: Transition from S0 to S1.
  - 1/1: Stay in S1.

### Lower Diagram (Input: BTNR Output: R)
- **States**: Also involves transitions between S0 and S1.
- **Transitions**:
  - 0/0: No change (remain in S0).
  - 1/0: Transition from S0 to S1.
  - 1/1: Stay in S1.

## State Transition Table

### Explanation:
- **Columns**:
  - **Current State (S)**: Initial state from where the transition starts (S0, S1, S2, S3).
  - **FSM Inputs (S1, S0, L, R)**: Binary inputs guiding the transition.
  - **Next State (S\*, S1\+, S0\+)**: The resulting state after the transition.
  
| Current State | FSM Inputs | Next State |
|---------------|------------|------------|
| S0            | 0 0 0 0    | S0 0 0     |
| S0            | 0 0 0 1    |            |
| S0            | 0 0 1 0    |            |
| S0            | 0 0 1 1    | X x x      |
| S1            | 0 1 0 0    |            |
| S1            |
Transcribed Image Text:## State Transition Diagram for ScrollFSM ### Diagram Explanation: - **States**: The diagram includes four states labeled S0, S1, S2, and S3. - S0 (A123): Initial state with a reset condition. - S1 (B456), S2 (C789), and S3 (D0EF): Intermediate states. - **Transitions**: - Arrows indicate possible transitions between states based on inputs. - Transitions are labeled with `L` for a left input and `R` for a right input. - The arrows show how the system moves from one state to another. ## State Transition Diagrams for OneShots ### Upper Diagram (Input: BTNL Output: L) - **States**: S0 to S1 with transitions based on input/output conditions. - **Transitions**: - 0/0: No change (remain in S0). - 1/0: Transition from S0 to S1. - 1/1: Stay in S1. ### Lower Diagram (Input: BTNR Output: R) - **States**: Also involves transitions between S0 and S1. - **Transitions**: - 0/0: No change (remain in S0). - 1/0: Transition from S0 to S1. - 1/1: Stay in S1. ## State Transition Table ### Explanation: - **Columns**: - **Current State (S)**: Initial state from where the transition starts (S0, S1, S2, S3). - **FSM Inputs (S1, S0, L, R)**: Binary inputs guiding the transition. - **Next State (S\*, S1\+, S0\+)**: The resulting state after the transition. | Current State | FSM Inputs | Next State | |---------------|------------|------------| | S0 | 0 0 0 0 | S0 0 0 | | S0 | 0 0 0 1 | | | S0 | 0 0 1 0 | | | S0 | 0 0 1 1 | X x x | | S1 | 0 1 0 0 | | | S1 |
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