The IBM Storage and Information Retrieval System, better known by the acronym STAIRS, was a program providing storage and online free-text search of text data. STAIRS ran under the OS/360 operating system under the CICS or IMS transaction monitors, and supported IBM 3270 display terminals.
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IBM 3270 in the context of Monochrome monitor
A monochrome monitor is a type of computer monitor in which computer text and images are displayed in varying tones of only one color, as opposed to a color monitor that can display text and images in multiple colors. They were very common in the early days of computing, from the 1960s through the 1980s, before color monitors became widely commercially available. They are still widely used in applications such as computerized cash register systems, owing to the age of many registers. Green screen was the common name for a monochrome monitor using a green "P1" phosphor screen; the term is often misused to refer to any block mode display terminal, regardless of color, e.g., IBM 3279, 3290.
Abundant in the early-to-mid-1980s, they succeeded Teletype terminals and preceded color CRTs and later LCDs as the predominant visual output device for computers.
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