Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

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

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Microprocessor
Which of the following statements for intel 8085 is correct?

 Program Counter (PC) specifies the address of the instruction last executed
 PC specifies the address of the instruction being executed
 PC specifies the number of instructions executed so far
 PC specifies the address of the instruction to be executed

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