To play and hear sound on a computer, one needs:

🧠 Explanation:

To play and hear sound on a computer, you need a sound card, microphone, and speakers. For tech students, this highlights computer hardware, making it a key topic for studying IT systems, audio technology, and digital literacy. These components enable audio functionality. Understanding this ensures effective computer use. It’s essential for analyzing hardware configurations, multimedia systems, and IT applications. Studying audio components offers insights into how technology supports multimedia, crucial for IT, computer science, and media studies, ensuring efficient audio setups for professional or personal use.