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

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

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