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Embedded Software Developer Interview Questions
6,893 embedded software developer interview questions shared by candidates
Code for Bit set, Bit clear, fibonacci series in C programming. Pointers definition in C programming Function pointers definition in C programming. Specifiers in C programming. Explanation of Project in your entire career. Microcontroller and it's sensor interfacing. Difficulties you faced in your project
Introduction projects fundamentals of C programming Basic circuit elements Hardware design process
1) Stack vs Ques 2) Mutex and Semaphores 3) GPIO vs RTOS 4) Write a code for Endianness?
The questions basically related to the work experience, projects.
They asked very specific technical questions about their proprietary technology and proposed an assessment that would take significantly more time than I was willing to commit.
Sai cosa è un sistema embedded?
Quando sei disponibile ad iniziare?
- DMA SPI I2C etc - Coding problem related to the job
**Question:** What is the difference between RTOS and Linux? **Answer:** I explained that an RTOS (Real-Time Operating System) is designed to provide deterministic and predictable response times. It is used in systems where tasks must be executed within strict timing constraints, such as embedded controllers and real-time devices. RTOS typically has lightweight scheduling, low latency, and precise task prioritization. In contrast, Linux is a general-purpose operating system that focuses on overall system performance, multitasking, and resource management rather than strict timing guarantees. Standard Linux is not deterministic like an RTOS, although real-time patches can be applied to improve its real-time capabilities. Therefore, RTOS is commonly used for microcontrollers and time-critical embedded systems, while Linux is often used in more complex embedded platforms that require networking, file systems, and higher-level applications.
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