A. Speaker
B. Keyboard
C. Printer
D. None of these
🧠 Explanation:
A keyboard is an input device, allowing data entry into computers. For tech students, this highlights computer hardware, making it a key topic for studying IT systems, digital literacy, and technology. Keyboards enable interaction. Understanding this ensures knowledge of computer operations. It’s essential for analyzing computer systems, IT, and engineering. Studying input devices offers insights into how computers receive data, crucial for computer science, IT, and engineering.