What does PC input/output actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

Some output devices output the processed information digitally, on a screen. ... Now screens show output as super high-definition movies and realistic 3D games.

The device context (DC) is maintained by GDI. A DC, which is a handle to the structure, is obtained before output is written and released after the elements have been written. See GDI .