Computer Engineering (Diploma / Polytechnic) Interview Questions & Answers — commonly asked polytechnic diploma interview and campus placement questions with clear, practical answers. Tap any question to open its answer. Showing the first 50 questions free. The complete 250-question bank is available as a PDF below. Computer Engineering — Diploma Interview Q&A Q1 What is Computer Engineering? Answer Computer Engineering is an engineering discipline that combines computer hardware and software concepts. It covers computers, processors, digital electronics, operating systems, programming, networking, embedded systems, and computer-based applications. Q2 What is a computer? Answer A computer is an electronic device that accepts data as input, processes it according to instructions, stores information, and produces meaningful output. Modern computers can perform calculations, communication, data processing, and many automated tasks. Q3 What are the basic functions of a c...