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Dec 6, 2023

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Written Assignment Unit 3 CS 2301-01 – Operating Systems 1 University of the People
Based on the given scenario, the best method for the company's device's CPU to choose process precedence would be the First Come First Serve (FCFS) scheduling algorithm. The FCFS algorithm works by executing processes in the order they arrive. In this context, where the device's primary tasks involve relaying I/O to the smartphone and displaying information to the user, FCFS is a suitable choice for several reasons (Silberschatz et al., 2018) . Firstly, the FCFS algorithm is simple to implement and understand, making it easier for the development team to design and integrate into the operating system of the wearable device. Since the primary focus is on relaying I/O and displaying information, a straightforward scheduling approach like FCFS minimizes complexity and potential errors in implementation. Secondly, the FCFS algorithm ensures fairness by providing equal opportunity to all processes. Given that the device is designed to monitor employees' health, it is crucial to treat each user's data fairly and impartially. FCFS guarantees that each employee's data will be processed and displayed without favoritism or discrimination. Thirdly, FCFS scheduling has minimal overhead and context-switching, which is advantageous in this scenario. The device's tasks primarily involve I/O operations, such as sending health data to the smartphone app and displaying information to the user. Since the processes are relatively lightweight and do not require extensive computation, the FCFS algorithm's lack of preemption or frequent context-switching ensures efficient utilization of system resources. Additionally, the FCFS algorithm has a low scheduling overhead, making it suitable for devices with limited computational capabilities, such as wearables. Since the wearable device is likely to have constrained processing power compared to a full-fledged computer, the simplicity and low overhead of FCFS make it an optimal choice. In conclusion, based on the given requirements and the nature of tasks involved in the wearable device project, the First Come First Serve (FCFS) scheduling algorithm is the best method for the device's CPU to choose process precedence. Its simplicity, fairness, minimal overhead, and
compatibility with the device's I/O-intensive tasks make it a practical and efficient choice for the development team.
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References Silberschatz, A., Galvin, P. B., & Gagne, G. (2018). Operating System Concepts (10th ed.). John Wiley & Sons.

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