If the clock frequency is 5 MHz, how much time is required

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If the clock frequency is 5 MHz, how much time is required to execute an instruction of 18 T-states?

1. 18 m sec
2. 90 m sec
3. 3.6 m sec
4. Data insufficient

Correct Option: C

3·6 μs
18 T × 0·2 μs = 3·6 μs