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Design a simulated os kernel for a tiny embedded Device

Authors: TS Suriya, SRM institute of science and technology

The proliferation of Internet of Things (IoT)

devices and low-power embedded systems

necessitates the use of highly optimized,

resource-conscious operating system (OS)

kernels. This paper presents the architecture

and operational analysis of Mini-Kernel, a

didactic OS core implemented as an interactive,

web-based simulation using Python and

Streamlit. Mini-Kernel effectively models core

concurrency and resource management

mechanisms, including the structure of the Task

Control Block (TCB), the execution of a RoundRobin (RR) preemptive scheduler, and the

management of task state transitions across

Ready, Running, and Blocked states. By

simulating the precise sequence of events

initiated by hardware interrupts—specifically

Timer Interrupts for preemption and I/O

Interrupts for

synchronization—the platform provides an

accessible, transparent environment for

observing the practical effects of context

switching overhead and I/O latency. This work

serves as a high-fidelity pedagogical tool,

bridging the gap between theoretical OS

concepts and the implementation requirements

of real-time embedded computing (Tanenbaum

& Bos, 2015).

Keywords: RTOS,os

Date of Publication: --

DOI: -

Publisher: IEEE