the process that selects and describes the exact configuration of all hardware, network, system software, application development tools to support system development and operations.
first set of activities in the up's design discipline;involve selecting and describing the configuration of all hardware, network, systems software, and application development tools to support system development and operations
peripheral hardware used to provide data and control signals to a computer. examples of input devices include keyboards, mice, scanners, digital cameras and joysticks.