Which of the following statements about the given state transition diagram and table of test cases is TRUE? Power Off TV Off (S1) TV Play (S3) Power Power ON Off RC On TV Stand By (S2) RC Off Test Case 1 2 3 4 5 Start State S1 S2 S2 S3 S3 Input Power On Power Off RC On RC Off Power Off Expected Final S2 S1 S3 S2 S1 State
| Test Case | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Start State | S1 | S2 | S2 | S3 | S3 |
| Input | Power On | Power Off | RC On | RC Off | Power Off |
| Expected Final State | S2 | S1 | S3 | S2 | S1 |
Các đáp án
A.The given test cases cover both valid and invalid transitions in the state transition diagram.
B.The given test cases represent all possible valid transitions in the state transition diagram.✓
C.The given test cases represent some of the valid transitions in the state transition diagram.
D.The given test cases represent pairs of transitions in the state transition diagram.
Đáp án đúng
B: The given test cases represent all possible valid transitions in the state transition diagram.