Hardware and software

Understand that hardware includes the physical parts of a computer system such as the CPU, motherboard, RAM, ROM, graphics card, sound card, NIC, camera, storage devices, and input/output devices. Know that software consists of programs that control computer operations or process data, including application software like word processors, spreadsheets, databases, control and measurement tools, applets, video, graphics and audio editors, and CAD, as well as system software like compilers, linkers, device drivers, operating systems, and utilities. Recognize the differences between analogue and digital data, and explain why analogue data must be converted to digital for computer processing and digital data converted to analogue to control devices.