Device Control

<character> One of the four ASCII characters, DC1, DC2, DC3, and DC4, once used to remotely control equipment (e.g. a paper tape reader) via electromagnetic switches. The characters were usually paired, DC1/DC3 turning one device on/off, and DC2/DC4 another.

[Other examples of equipment?]

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developer development Developmental Test and Evaluation development environment device	bit bashing bit twiddling control-Q control-S DC2	Device Control 1 Device Control 2 Device Control 3 Device Control 4 device driver