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6,893 software embedded interview questions shared by candidates

1) In which language are you comfortable with ? 2) Explain Volatile Keyword 3) Use of static variable 4) Compilation and Execution flow of C Program 5) Meaning of dangling pointer and memory leakage? 6) Structure alignment, structure padding 7) Bitwise operators 8) Difference between microcontroller and microprocessor 9) Diff between I/O Mapped I/O and Memory mapped I/O 10) Explain in brief about RS232, I2C, SPI 11) Explain watchdog timer 12) What is an interrupt in microcontroller? 13)What is OS? 14) What is System Call? how is it executed? 15)Linux ipc mechanism 16) paging 17)starvation and deadlock 18) Difference between GPOS and RTOS 19) Priority inversion 20) Jiffies ? 21) hard interrupts and soft interrupts
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Embedded Software Engineer

Interviewed at Capgemini

4.1★
Jul 17, 2020

1) In which language are you comfortable with ? 2) Explain Volatile Keyword 3) Use of static variable 4) Compilation and Execution flow of C Program 5) Meaning of dangling pointer and memory leakage? 6) Structure alignment, structure padding 7) Bitwise operators 8) Difference between microcontroller and microprocessor 9) Diff between I/O Mapped I/O and Memory mapped I/O 10) Explain in brief about RS232, I2C, SPI 11) Explain watchdog timer 12) What is an interrupt in microcontroller? 13)What is OS? 14) What is System Call? how is it executed? 15)Linux ipc mechanism 16) paging 17)starvation and deadlock 18) Difference between GPOS and RTOS 19) Priority inversion 20) Jiffies ? 21) hard interrupts and soft interrupts

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
avatar

Embedded Developer

Interviewed at Capgemini

4.1★
Sep 22, 2025

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

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