Concept:Hardware includes all physical, tangible parts of a computer, whereas software includes programs and operating systems.
Explanation:A computer system is mainly divided into hardware and software.
Hardware consists of every physical part that can be seen and touched.
The casing protects internal parts and is a physical hardware component.
A mouse is an input hardware device.
Peripherals are external hardware devices such as the keyboard, monitor, and printer.
Windows is an operating system, which is software, not a physical part of the computer.
Software gives instructions that tell the hardware what to do.
Because the question asks what hardware does not consist of, the item that is software is the correct answer.
Answer:D. windows