The following sequence of instructions is executed by an 8085 microprocessor :

1000 H	LXI SP, 27FF H
1003 H	CALL 1006 H
1006 H	POP H

The contents of the stack pointer (SP) and the HL register pair on completion of execution of these instructions are

The correct option is a.

Detailed solution:

Step-by-step, let's examine the instructions to observe how the stack pointer (SP) and HL register pair are impacted.

LXI SP, 27FFH: The stack pointer (SP) should be loaded with the instantaneous value 27FFH.

At first, SP equals 27FFH.

CALL 1006H: Use the memory address 1006H to call a procedure.

The following instruction (1003H) will have its address pushed onto the stack.
SP will decrease by two.

POP H: Insert the topmost stack node into the pair of HL registers.

The low-order register L is filled with the value that is now 27FDH at the memory location that SP pointed to.
The high-order register H is filled with the value that was loaded at the memory location that SP+1 pointed to (27FEH).

The SP will rise by two.

Following these instructions, the following values will be present in the HL register pair and the stack pointer (SP):

The initial value prior to the sequence is 27FFH.
(Value popped off the stack) HL = 1003H
Thus, what follows will be:

SP = 27FFH, HL = 1003H