Answer
a. A5
b. A5
c. DB
Work Step by Step
Let's go through each instruction:
a. \( 25 \mathrm{~A} 5 \)
This instruction loads the content of memory cell A5 into register 5. Given that memory cell A5 contains the pattern A5, the bit pattern in register 5 after executing this instruction will be A5.
b. \( 15 \mathrm{CA} \)
This instruction loads the content of memory cell CA into register 5. Since memory cell CA contains the pattern A5, the bit pattern in register 5 after executing this instruction will be A5.
c. D508
This instruction moves the content of register 8 into register 5. Since register 8 contains the pattern DB, the bit pattern in register 5 after executing this instruction will be DB.
