i2c vs SPI
Firmware Interview Questions
2,358 firmware interview questions shared by candidates
Conocimientos de QA de software. Conocimiento de lenguajes de programación, sistemas embebidos, VHDL.
In C, find the minimum and maximum values of the array. Buffer analysis with RTC updates
If you had X device, and were experiencing Y results, but expected Z - what kind of things would you look for to make Y look like Z?
Q1: Given coordinates of queen and opponent on checkers board, see if queen can make a valid move against opponent (up, down, both diagonals). Q2: Rotate a 2D matrix "90 degrees" to the right. Rows are equal to columns. Q3: Given a 1D list, return the difference between the smallest and largest number. The smaller number MUST occur in the list before the largest one. If smallest is after largest, it's invalid. It tells you it's better to pass the two test cases even if time is not optimized.
most "difficult" was a discussion of an IO driver, embracing merits/demerits of implementation methods, including polled v's interrupt, OS impact, buffering, layering etc
They introduce to me a function and input and wanted to know what will be the output base on the input
Describe project experience and any hobby projects listed or not listed in resume.
Questions related to interest in QA and experience. Why QA role?
Explain how RS232 works from a hardware level? What are the areas of concern when writing firmware to drive an RS232 UART when strictly using GPIO pins?
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