I applied online. The process took 3 days. I interviewed at Qualcomm (San Diego, CA) in Apr 2012
Interview
basic C coding questions: byte size, range, xor, heap vs stack, memory leak, call function,static variables, pointer, ram vs harddisk, sorting algorithm,
Operating system question: process, thread,register,ISR, interupt
Coding: find out the missing number from 1-100