The NCR Corporation (originally National Cash Register) was taken over by what company in 1991?
Symbios Logic:  It was originally established as a division of NCR Corporation in 1972, before NCR's takeover by AT&T Corporation in 1991. NCR Corporation: The NCR Corporation (originally National Cash Register) is an American computer hardware, software and electronics company that makes self-service kiosks, point-of-sale terminals, automated teller machines, check processing systems, barcode scanners, and business consumables.
AT&T Corporation