Special Features:

20 slot box; consists of a990 single bd computer and front plane connectors for 1 to 4 memory cards; writable control store, floating pt processor, vector instruction set, scientific interface card, and 17 additional i/o slots; 16 bit word size; time base gen interrupt maintains real time clock; memory cycle time 500 ns; memory size .75 mbyte to 512 mbyte

Properties:

A computer which processes information represented by combinations of discrete or discontinuous data. It is a computer for performing sequences of arithmetic and logical operations, not only on external data but also on its own internally stored instructions, in contrast to a continuous data, analog computer. It may be designed for specific and/or combination operation, such as asynchronous, automatic, fixed program, and the like. May include handheld computer. Excludes peripheral hardware.