A hacker is usually a person who writes software programs in a special computer language.

VOA: special.2010.08.01

Other programs available for download make Twitter updates appear on your computer screen.

VOA: special.2009.02.06

Metheny says he worked with inventors and technicians from around the country to build the robotic instruments used on Orchestrion. He programs and controls every sound from his computer, guitar or keyboard.

VOA: special.2010.03.12