Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 DI
 EI
 SIM
 RIM

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Microprocessor
Ready pin of microprocessor is used

 to indicate that microprocessor is ready to receive inputs
 to introduce wait state
 to indicate that microprocessor is ready to receive outputs
 to provide direct memory access

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Microprocessor
IN an intel 8085A microprocessor, why is READY signal used?

 To slow down a fast peripheral device so as to communicate at the microprocessor’s device.
 To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
 To indicate to user that the microprocessor is working and is ready for use.
None of these

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Microprocessor
Assertion (A): Each memory chip has its own address latch. Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip.

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

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