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(20 points) An instruction at address 049 in the basic computer has I = 0, and an address part equal to 025 (all numbers are hexadecimal).


3. (20 points) An instruction at address 049 in the basic computer has I = 0, and an address part equal to 025 (all numbers are hexadecimal). The memory word at address 025 contains 5E34 and the content of AC is 16AB.

Determine the contents of registers PC, AR, DR, AC, and IR for the two independent memory-reference instructions below. Each instruction starts with the given Initial values.

PC AR DR AC IR
Initial 049 - - 16AB -
AND 050
LDA 051

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