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

None of these
 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.
 To slow down a fast peripheral device so as to communicate at the microprocessor’s device.

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Microprocessor
HLDA signal in 8085 performs the following operation:

 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.
 Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle.

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Microprocessor
The interrupt facility is provided in microprocessor to

 stop the microprocessor when it starts malfunctioning
 stop the microprocessor when desired
 keep a control on the working of the microprocessor
 change the sequence of the instructions being executed

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