Microprocessor
Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock.

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

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
HLDA signal in 8085 performs the following operation:

 Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle.
 Indicates that another master is requesting the use of the address and data buses.
 Indicates that the CPU has not received the HOLD request.
 Hold the data in the accumulator until the microprocessor is turned OFF.

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

ANSWER DOWNLOAD EXAMIANS APP