This paper presents an overview of the architecture of the SPERRY UNIVAC® 1100 Series systems. The principal topics are instruction and data formats, main storage and addressing, process management, and I/O.
The search for satisfactory definitions of the APL floor and ceiling functions has been underway for some time [I, 2, 3]. The APL floor differs from the mathematical ("exact") floor in that it treats values that are "close enough" to integers as if they were integers. The difficulty arises in attempting to define what "close enough '~ means. The most… (More)