(1) A copy of a typewritten page. In the days of typewriters, copies were made by inserting a sheet of carbon paper between two or more blank sheets of paper. The ink on the carbon paper transferred onto the blank paper. See
cc.
(2) Early remote control software for DOS and Windows from Microcom, Inc., Norwood, MA. Carbon Copy integrated well with Microcom's modem and remote access hardware. In 1997, Compaq acquired Microcom and absorbed the product.