$.$ a$)(5)$ Fifty$-$six CPU physical registers are available on a SparcV$8$ processor. What is the

maximum number of register windows that can be implemented on the Sparc V$8$ processor using

this number of physical registers?

b$)(5)$ Consider a SparcV$8$ processor with four register windows. The current register window is

identified by a $2-$bit window pointer. If the current register window pointer has the binary value

$01,$ what is the value of the window pointer after all three of the following instructions are

executed:

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