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 the CPU has not received the HOLD request.
 Indicates that another master is requesting the use of the address and data buses.
 Hold the data in the accumulator until the microprocessor is turned OFF.

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Microprocessor
DS directive in 8085

None of these
Forces the assembler to reserve one byte of memory
Forces the assembler to reserve a specified number of consecutive bytes in the memory
Forces the assembler to reserve a specified number of bytes in the memory

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Microprocessor
Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low.

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

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