Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 An I/O read cycle
 A memory write cycle
 A memory read cycle
 An op-code fetch cycle

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location

 2000H and 1999H to H and L registers respectively
 2001H and 2000H to H and L registers respectively
 2000H and 1FFFH to H and L registers respectively
 2001H and 2002H to H and L registers respectively

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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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