Cypress Semiconductor Embedded Software Engineer interview questions

1) Tell me about yourself 2) Describe one of your projects. Then he spent about half an hour over that project asking questions about hardware! software, libraries, etc. 3) Difference between macro and function. 4) Define a macro for a maximum of 3 numbers. Optimize it. Gave some cases to dry run them. 5) Code to set the 20th bit of an integer. 6) Storage classes 7) What is static variable? Where they are used? Why it does not change it's value? 8) Static functions 9) One static variable is defined in file.c.Call it in another file2.c (I didn't know answer of this question but after this interview I googled it and then this question was asked to me again in second interview) 10) Function pointer and their use. Declare and call a function pointer. 11) Difference between structure and union and structure and class. 12) Code for nested structure and call it. 13) Time complexity concept.

1) What is a flip flop? 2) Do you know DSP. What is Fourier transform? 3) Difference between const*void ptr, void const *ptr, const void*ptr. Or pointer pr bhot ghumaya kiya isme esa kru toh kya hogaa , is pr ++ kru toh kya hoga etc etc. 3) Storage classes. 4) Tell me about internship work. As my internship was related to networks he asked me some questions on the OSI layer etc. 5) UART protocol, header frame, baud rate, etc. 6) He asked me if I have worked on UART Some nontech questions to know my interest.

Difference between C, C++, C#. 2) 8051 vala project explain kro 3) Assembly language k konse konse instructions use kiye the? Fir koi bhi random ka syntax or working puchi. 4) Difference between RETURN and RETI. 5) Puraa interrupts, working, IE, IP and timers etc. IVT, ISR etc. 6) ports of 8051 and uske kam. 7) PSEN nad ALE ka kam 8) Interfacing of external memory with 8051. 9) Or bhi bhot sara 8051 pucha von neuman, register banks, serial communication. 10) difference between micro controller and processor. He also asked me ki which books did I study for 8086 and 8051.

1) Wired and wireless networks 2) if wifi exists then why Bluetooth. What do you think? 3) Explain your favourite C program. 4) Why cypress? 5) What do you think will you be able to pass this interview? 6) Library functions of Arduino. 7) Your favourite programming language 8(Why not masters?