Microprocessor
The stack pointer register in a microprocessor

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

ANSWER DOWNLOAD EXAMIANS APP

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 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
A is wrong R is correct

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Assertion(A): Segment override prefix (SOP) is used when a default offset register is not used with its default base segment register but with a different base register. Reason(R): The offset registers IP and SP can never be associated with any other segment registers apart from their respective default segments.

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

ANSWER DOWNLOAD EXAMIANS APP