Computing

Originally, the word computing was synonymous with counting and calculating, and a science that deals with the original sense of computing mathematical calculations.

Companies - historic

• Acorn, bought by Olivetti
• Bendix Corporation
• Burroughs, merged with UNIVAC to become Unisys
• Compaq, bought by Hewlett-Packard
• Control Data
• Cray
• Data General
• DEC, bought by Compaq, in turn bought by Hewlett-Packard
• Digital Research - a software company for the early microprocessor-based computers
• English Electric
• Ferranti
• General Electric, computer division bought by Honeywell, then Bull
• Honeywell, computer division bought by Bull and
• ICL
• Leo
• Lisp Machines, Inc.
• Marconi
• Nixdorf, bought by Siemens
• Olivetti
• Osborne
• Packard Bell
• Raytheon
• Royal McBee
• RCA
• Scientific Data Systems, sold to Xerox
• Siemens
• Sinclair Research, created the ZX Spectrum, ZX80 and ZX81
• Symbolics
• UNIVAC, merged with Burroughs to become Unisys
• Varian
• Wang