Final answer:
Hardware refers to the physical components used in data processing, while software encompasses the programs and instructions that run on these components.
Step-by-step explanation:
Hardware refers to the physical components used to collect, input, store, and process data, and to display and distribute information. It includes devices such as computers, printers, scanners, and storage devices. Hardware is essential for the functioning of computer systems and enables the execution of software.
On the other hand, software refers to the programs, applications, and instructions that run on the hardware. It includes operating systems, productivity software, and specialized applications. Together, hardware and software work in harmony to facilitate data processing and information dissemination.
The options intranet and extranet are not directly related to the physical components of a computer system, but rather pertain to computer networks used for data sharing and communication within organizations or between organizations.