Embedded Software Engineer Staff Interview Questions

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Q1. Write a C function to print the digits between LSB & MSB of a given number. Q2. There are 2 Microcontrollers of 8 bits each. You can give input on one side and receive output on the other side. If exactly 2 pins have been swapped, in how many minimum numbers of trials can you detect which 2 pins were swapped? Q3. While the data is being processed in a C code, the data which is initialized is stored in Stack or data segment? Q4. What is Makefile? Q5. Write a C code for transferring the data from one destination to another destination. (Pointers working) Q6. One Microcontroller is connected with a Temperature sensor. Explain its working with the help of SPI or I2C.
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Embedded Software Engineer

Interviewed at Texas Instruments

3.8
Aug 10, 2021

Q1. Write a C function to print the digits between LSB & MSB of a given number. Q2. There are 2 Microcontrollers of 8 bits each. You can give input on one side and receive output on the other side. If exactly 2 pins have been swapped, in how many minimum numbers of trials can you detect which 2 pins were swapped? Q3. While the data is being processed in a C code, the data which is initialized is stored in Stack or data segment? Q4. What is Makefile? Q5. Write a C code for transferring the data from one destination to another destination. (Pointers working) Q6. One Microcontroller is connected with a Temperature sensor. Explain its working with the help of SPI or I2C.

1. Extract the upper nibble and the lower nibble from a hexadecimal number (ex., 0x1234) 2. Write a non-blocking delay function. 3. Explain SPI and I2C based on some scenarios. 4. CAN protocol 5. How RTOS thread are made and rtos porting
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Embedded Software Engineer

Interviewed at Cyient

3.5
Nov 13, 2025

1. Extract the upper nibble and the lower nibble from a hexadecimal number (ex., 0x1234) 2. Write a non-blocking delay function. 3. Explain SPI and I2C based on some scenarios. 4. CAN protocol 5. How RTOS thread are made and rtos porting

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