What is meant by a 32-bit or 64-bit processor? Which is more common in today's CPUs?

This is a very basic technical question. Interviewers may begin the interview by asking very basic questions just to set the stage and begin the conversation. As the interview progresses, the questions will become more complicated. Additionally, interviewers may start with a basic question and then ask follow-up questions that are more complex and detailed. In addition to reviewing the material before the interview, practicing questions like these will help you prepare and perform better during the interview.