IBM 3270
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The IBM 3270 is a family of block oriented display and printer computer terminals introduced by IBM in 1971 and normally used to communicate with IBM mainframes. The 3270 was the successor to the IBM
IBM 3277 Model 2
Sample IBM 3270 cluster with one control unit connected to a printer and two displays
IBM selector-pen in use
3278 terminal
Monochrome monitor
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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
IBM 3270
…The 3270 was the successor to the IBM 2260 display terminal. Due to the text color on the original models, these terminals are informally known as green screen terminals. Unlike a character-oriented terminal, the 3270 minimizes the number of I/O interrupts required by transferring large blocks of data known…
An IBM computer with a green monochrome monitor
Early Nixdorf computer with an amber monitor
An open Schneider MM12 from 1988. It uses a GoldStar Type 310KGLA amber tube.