High School

Write a program that stores the maximum of three values. The values are stored in X19, X20, and X21. Store the result in X24.

Example: If the values of X19, X20, and X21 are initialized in the simulator, write the program to find and store the maximum value in X24.

Answer :

The program calculates the maximum of three values stored in registers X19, X20, and X21 and stores the result in register X24. (Option b)

To achieve this, the program compares the values in X19, X20, and X21 sequentially. It starts by comparing the values in X19 and X20. If the value in X19 is greater, it moves it to X24. Otherwise, it moves the value in X20 to X24.

Then, it compares the value in X21 with the value in X24. If the value in X21 is greater, it replaces the value in X24 with the value in X21. Finally, the program ends with the maximum value among the three stored in X24. This approach ensures that the final value in X24 is the maximum of the three initial values.

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