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

 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
 A is true but R is false
 A is false but R is true

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Microprocessor
A high on RESET OUT signifies that

 all the registers and counters are being reset
 all the registers and counters are being reset and this signal can be used to reset external support chip
 processing can begin when this signal goes high
 all the registers of the CPU are being reset

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