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IBM 2250 at AllExperts (309 words) |
 | A display list of line segments (vectors) on a 1024 by 1024 grid was stored in the computer's memory and repainted on the 2250's CRT up to 40 time per second. |
| The 2250's CRT measured 21" diagonal, but the useful display area was 12 inch by 12 inch. |
| A light pen was provided as a pointing device, serving the function of the modern computer mouse. |
| The Starfleet Museum - Klingon D7 Cruiser (3755 words) |
| Rushed into service in the early 2250s to fulfill roles of offense, defense, and diplomacy, the D7 suffered numerous teething problems but developed into the Klingons' most reliable cruiser design, which formed the basis for descendant classes serving into the late 24th century. |
| This too-early introduction meant that several problems that normally would have been encountered and solved in the laboratory during development were instead to be dealt with by engineers in the field. |
| After these teething problems were solved in the early 2250s, the rugged, workmanlike engineering typical of 3rd-generation Klingon reactors proved highly reliable, if not as elegant or advanced as Federation designs. |
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