The interview took more than 1 hour. I was asked to explain the code I had written during written test and asks questions based on that. I was asked about mainly C programming. Pointers, bit wise operators, logical operators, linked list, 2-d,3-d arrays, C memory layout. Then RTOS concepts like virtual memory, Threads, process, re-entrant, semaphore and mutex.
data structure based question
Question asked based on your projects alone
System architecture, rtos, interrupts, design
Explain about IOT Process?
C ,Embedded C questions, interfaces, previous projects, communication protocols
What is pointer in c++? Explain it
system design question about wifi/bluetooth/blue
Difference between SPI and I2C communication protocol?
Kernel architecture and its components. Data Structures and Algorithms (DSA) relevant to system programming. Device driver development and troubleshooting. Handling concurrency and synchronization in kernel space. Understanding of low-level hardware interactions. Debugging techniques and tools for kernel and device drivers.
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