Microprocessor
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete

Set of {AND,OR,NOT}
None of these
Set of {EXOR, NOT}
Set of {AND,OR}

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Microprocessor
The stack pointer register in a microprocessor

 keeps the address of the next instruction to be fetched
 counts the number of instructions being executing on the microprocessor
 holds the address of the top of the stack
 counts the number of programs being executing on the microprocessor

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Microprocessor
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran. Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.

A is wrong R is correct
A is correct R is wrong
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A

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