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 indicate to user that the microprocessor is working and is ready for use.
 To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
None of these

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Microprocessor
HLDA signal in 8085 performs the following operation:

 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.
 Indicates that the CPU has not received the HOLD request.
 Indicates that another master is requesting the use of the address and data buses.

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