4. Binary-to-Gray converter. Similar checkerboard patterns are also seen in the case of a Gray-to-Binary converter (Fig 5 ). Once again, the checkerboard patterns of 0s and 1s in the Karnaugh Maps ...

The standard is intended to symbolize the binary control functions of a system in a manner that can be applied to any class of hardware, whether it be electronic, electrical, fluidic, pneumatic, ...