Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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### Finding the Largest Item in an Array Using Assembly Language

To write an assembly program that finds the largest item in an array, follow these steps:

**Instructions:**

- **Objective:** Write an assembly program to find the largest item in an array and store it in a variable named `MAXIMUM`.
- **Hint:** Use both Jump and Loop instructions to craft the program.

**Logic:**

1. Assume the first item of the array is the maximum and store it in the variable `MAXIMUM`.
2. Implement a loop. Inside this loop, compare each array item with the current `MAXIMUM`.
3. If an array item is greater than the `MAXIMUM`, update `MAXIMUM` with that array item.

```assembly
.data
    Array WORD 10, 2, 23, 45, 21, 11
    MAXIMUM WORD ?
.code
    ; Write your code
```

**Explanation:**

- **Array Definition:** The array is defined with the values [10, 2, 23, 45, 21, 11].
- **Variable `MAXIMUM`:** This is uninitialized and will store the largest value found in the array.
- **Logic flow:** Start the comparison with the first element of the array and iterate using a loop to compare each subsequent element. If a larger element is found, update the `MAXIMUM` variable accordingly.
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Transcribed Image Text:### Finding the Largest Item in an Array Using Assembly Language To write an assembly program that finds the largest item in an array, follow these steps: **Instructions:** - **Objective:** Write an assembly program to find the largest item in an array and store it in a variable named `MAXIMUM`. - **Hint:** Use both Jump and Loop instructions to craft the program. **Logic:** 1. Assume the first item of the array is the maximum and store it in the variable `MAXIMUM`. 2. Implement a loop. Inside this loop, compare each array item with the current `MAXIMUM`. 3. If an array item is greater than the `MAXIMUM`, update `MAXIMUM` with that array item. ```assembly .data Array WORD 10, 2, 23, 45, 21, 11 MAXIMUM WORD ? .code ; Write your code ``` **Explanation:** - **Array Definition:** The array is defined with the values [10, 2, 23, 45, 21, 11]. - **Variable `MAXIMUM`:** This is uninitialized and will store the largest value found in the array. - **Logic flow:** Start the comparison with the first element of the array and iterate using a loop to compare each subsequent element. If a larger element is found, update the `MAXIMUM` variable accordingly.
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