$8.[3$ pts$]$ What will R$7$ be loaded with if the instruction TRAP $23$ is at location x$42$FF$?$

$9.[4$ pts$]$ Assume R$6$ is the stack pointer of a stack that grows toward zero, and initially contains the value x$33$AE$.$ After these operations,

push $5$

push $9$

push $6$

pop

push $3$

pop

$10.[8$ pts$]$ The input stream of a stack is a list of all the elements we pushed onto the stack, in the order that we pushed them.

The output stream is a list of all the elements that are popped off the stack, in the order that they are popped off.

a$.$ What is the output stream from question $5?$

b$.$ If the input stream is XWZYUTSRV, create a sequence of pushes and pops such that the output stream is YXVUWZSRT.

c$.$ If the input stream is WZT$,$ how many different output streams can be created? List them down