Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
computer display terminal
|
| gptkbp:category |
gptkb:personal_computer
gptkb:graphics_card |
| gptkbp:color |
monochrome (white on black)
|
| gptkbp:displayType |
vector graphics
21 inch |
| https://www.w3.org/2000/01/rdf-schema#label |
IBM 2250 display unit
|
| gptkbp:input |
gptkb:keyboard
light pen |
| gptkbp:introduced |
1964
|
| gptkbp:manufacturer |
gptkb:IBM
|
| gptkbp:notableFor |
one of the first vector graphic terminals
|
| gptkbp:powerSource |
120V AC
|
| gptkbp:primaryUse |
interactive graphics
CAD applications |
| gptkbp:refreshRate |
60 Hz
|
| gptkbp:resolution |
1024 by 1024 addressable points
|
| gptkbp:successor |
IBM 3250 display unit
|
| gptkbp:usedFor |
gptkb:IBM_System/360
gptkb:IBM_System/370 |
| gptkbp:weight |
approximately 100 pounds
|
| gptkbp:bfsParent |
gptkb:Type_340_precision_CRT_display
|
| gptkbp:bfsLayer |
7
|