Applied Digital Data Systems
Encyclopedia
Applied Digital Data Systems, or ADDS, was a leading supplier of high-quality video display computer terminals, founded in 1969 by Leeam Lowin and William J. Catacosinos. Lowin simultaneously founded Solid State Data Sciences ("SSDS"). SSDS was one of the first developers of the MOS/LSI integrated circuits that were key to ADDS's product line.
It became a subsidiary of NCR
in 1980, which sold the Mentor 2000 professional computer
in the United States
in 1986.
The Mentor 2000 ran at 5 MHz using a Zilog
processor, 640KB RAM, and included one 60MB hard disk
. It used the Pick operating system
and database management system
. It was able to manage 16 or 32 video terminals at once.
ADDS (along with NCR
) was later part of AT&T
,
then independent briefly before being acquired by SunRiver Data Systems
.
It became a subsidiary of NCR
NCR Corporation
NCR Corporation is an American technology company specializing in kiosk products for the retail, financial, travel, healthcare, food service, entertainment, gaming and public sector industries. Its main products are self-service kiosks, point-of-sale terminals, automated teller machines, check...
in 1980, which sold the Mentor 2000 professional computer
Computer
A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...
in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
in 1986.
The Mentor 2000 ran at 5 MHz using a Zilog
Zilog
Zilog, Inc., previously known as ZiLOG , is a manufacturer of 8-bit and 24-bit microcontrollers, and is most famous for its Intel 8080-compatible Z80 series.-History:...
processor, 640KB RAM, and included one 60MB hard disk
Hard disk
A hard disk drive is a non-volatile, random access digital magnetic data storage device. It features rotating rigid platters on a motor-driven spindle within a protective enclosure. Data is magnetically read from and written to the platter by read/write heads that float on a film of air above the...
. It used the Pick operating system
Pick operating system
The Pick operating system is a demand-paged, multiuser, virtual memory, time-sharing operating system based around a unique "multivalued" database. Pick is used primarily for business data processing...
and database management system
Database management system
A database management system is a software package with computer programs that control the creation, maintenance, and use of a database. It allows organizations to conveniently develop databases for various applications by database administrators and other specialists. A database is an integrated...
. It was able to manage 16 or 32 video terminals at once.
ADDS (along with NCR
NCR Corporation
NCR Corporation is an American technology company specializing in kiosk products for the retail, financial, travel, healthcare, food service, entertainment, gaming and public sector industries. Its main products are self-service kiosks, point-of-sale terminals, automated teller machines, check...
) was later part of AT&T
AT&T
AT&T Inc. is an American multinational telecommunications corporation headquartered in Whitacre Tower, Dallas, Texas, United States. It is the largest provider of mobile telephony and fixed telephony in the United States, and is also a provider of broadband and subscription television services...
,
then independent briefly before being acquired by SunRiver Data Systems
SunRiver Data Systems
SunRiver Data Systems was a division of SunRiver Corporation, a private company founded in 1986 in Jackson, Mississippi by four electrical engineers , all former employees of Diversified Technology, Inc...
.