Correct option is D
The correct answer is (d) Input and Output devices.
Explanation:
● Effective communication with a computer requires both providing instructions (Input) and receiving results (Output).
● Input devices (like keyboard, mouse) send data to the CPU, while Output devices (like monitor, printer) display the processed information.
Information Booster:
● Peripheral devices are all external hardware components connected to the computer.
● Some devices act as both (e.g., touch screens).
Additional Knowledge:
● CPU – The Central Processing Unit, known as the "Brain of the Computer."
● OS – Software that manages hardware and provides common services.