graphic display card

基本解释

The development of graphic function is discussed when monochrome display and printer adapter are run for BASICA in PC/AT and PC/XT, i. e. MDA emulate CGA card.
讨论了单色、打印适配卡在PC／AT机、PC／XT机上运行BASICA时图形功能的开发问题，即单色卡仿真CGA，并阐述了仿真过程中值得注意的几个问题。
It makes PCs harder — if not impossible — to upgrade, and it means if one component breaks — a graphic card, or the display — the whole thing's got to be hauled in to repair.
一体机的设计使得PC很难升级，而且意味着如果其中一个组件损坏，比如显卡或显示器，整个电脑都要被拖去修理。