a$)$ Diseuse atout the memory segmentation in $6086$ michoprixessor.

$[10$ Marks$]$

b$)A8086$ exceutes the following in structions:$-$

MOV $AX,1234H$

MOV $BX,F454H$

PUSH $AX$

PUSH $BX$

POP $F$

Analyze the contents of the stack, stack pointer, physicul address and lags using approptate diugram while the microprocessor oxecutes the instructions. The initis! value of $S{P}^{-}-100H$ and $SS=$FFFEH

$[15$ Marks$]$