The IBM Selective Sequence Electronic Calculator (SSEC) was an electromechanical computer built by IBM. Its design was started in late 1944 and it operated...

SSEC can refer to: IBM SSEC, an electromechanical calculator in the 1940s Sarnia Sports & Entertainment Centre, Ontario, Canada Secondary Schools Examinations...

floating point numbers. The idea arose from the difficulty of programming the IBM SSEC machine when Backus was hired to calculate astronomical positions in early...

1964. IBM SSEC: IBM announced the Selective Sequence Electronic Calculator (SSEC), its initial large-scale digital calculating machine. The SSEC, employing...

1944 IBM SSEC: Selective Sequence Electronic Calculator; 1948 IBM Deep Blue: Chess playing computer developed for 1997 match with Garry Kasparov IBM Watson:...

mobile computers were heavy and ran from mains power. The 50 lb (23 kg) IBM 5100 was an early example. Later portables such as the Osborne 1 and Compaq...

electronic digital stored-program computer. It is sometimes claimed that the IBM SSEC, operational in January 1948, was the first stored-program computer; this...

IBM's help, and the ASCC came to be generally known as the "Harvard Mark I". IBM went on to build its Selective Sequence Electronic Calculator (SSEC)...

2020-07-02. General Information Manual: An Introduction to IBM Punched Card Data Processing. IBM. p. 1. Janda, Kenneth (1965). Data Processing. Northwestern...

completed, and some dates are for the first delivery or installation. The IBM SSEC had the ability to treat instructions as data, and was publicly demonstrated...