Cognizant Programming Analyst Trainee interview questions

Describe about yourselves Qs on c, c++ python Qs on personality based And qs based on situations

1) define sampling theorm 2) define program counter and stack pointer. 3) what is polarization and what are its types? 4)what is diode 5) difference between mosfet and bjt 6) one apti question on average speed calculations 7) why you want to join cognizant 8) if your project got delayed how you will respond to client