Microprocessor
Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock.

 Both A & R are true but R is not the correct explanation of A
 A is true but R is false
 Both A & R are true and R is the correct explanation of A
 A is false but R is true

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Microprocessor
Ready pin of microprocessor is used

 to introduce wait state
 to provide direct memory access
 to indicate that microprocessor is ready to receive inputs
 to indicate that microprocessor is ready to receive outputs

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