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Question $15$

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Consider a $16-$bit hypothetical machine that contains a single data register, called an accumulator $($AC$)$ with the following characteristics:

$\backslash$table$[[34,15],[$Opcode$,,$ddress$],[($a$)$ Instruction Format$],[\{$

$\backslash$table$[[$Program Counter $(PC),=$ Address of Instruction$],[$Instruction Register $(IR),=$ Instruction being executed$],[$Accumulator $(AC),=$ Temporary storage$]]\},0001=$ Load AC from Memory$],[0010=$ Store AC to Memory$],[0011=$ Load AC from $\frac{1}{O}$