Digital Systems and Basics of Electronics

Digital usually refers to something using digits, particularly binary digits.

Digital Systems, Seattle, USA, between 1966 and 1979 an accounting service and technology development company founded by John Torode. Also kind of a predecessor to microcomputer design and development company Digital Microsystems, Inc. (DMS), Oakland, USA, founded in 1979.

Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes, integrated circuits, optoelectronics, and sensors, associated passive electrical components, and interconnection technologies. Commonly, electronic devices contain circuitry consisting primarily or exclusively of active semiconductors supplemented with passive elements; such a circuit is described as an electronic circuit.