Correct Answer:
C. Keyboard
Computer hardware components are broadly categorized into input and output devices. An input device allows users to send data, commands, or signals into a computer system. The keyboard is a prime example of an input device, as it enables users to type text, numbers, and execute commands by pressing keys, thereby providing input to the computer.
- Monitor is an output device, displaying visual information from the computer.
- Printer is an output device, producing hard copies of digital documents.
- Speaker is an output device, generating audio from the computer.
Understanding this distinction is crucial for comprehending how users interact with computer systems.