Which term describes a type of computer built using environmentally friendly materials and designed to save energy?

A workstation is a high-performance computer designed for technical or scientific applications. While workstations can be energy-efficient, the term does not inherently imply the use of environmentally friendly materials or a focus on energy conservation. It primarily describes the computer's intended use rather than its environmental attributes.

A server is a computer designed to manage network resources and provide services to other computers. While servers can also be built with energy-saving features, the term does not explicitly denote an environmentally friendly approach or materials. It primarily describes the server's function within a network rather than its ecological considerations.

A personal computer (PC) is designed for individual use and does not imply any specific environmental attributes. While personal computers can be made with green technologies, the term itself does not inherently reflect sustainability or energy efficiency, focusing instead on the user demographic.