Correct option is D
Correct Answer: (d) Input and Output devices
Explanation:
• A user communicates with a computer through both input and output devices.
• Input devices send instructions or data to the computer (like a keyboard or mouse), while output devices display the processed results (like a monitor or printer).
Information Booster:
• Input devices: Keyboard, Mouse, Scanner, Microphone, Webcam.
• Output devices: Monitor, Printer, Speaker, Projector.
• Input devices convert user actions into digital signals for processing.
• Output devices convert processed data into human-readable form.
• Together, they form the user–computer interaction interface.