系统前端面板和综合键盘上有一些专用键，通过这些键，您可以了解一些主要的多媒体特征。
The system's front panel and the comprehensive keyboard have dedicated buttons, taking you to the main multimedia features.
早期时，启动一台计算机意味着要给计算机喂一条包含引导程序的纸带，或者手工使用前端面板地址/数据/控制开关来加载引导程序。
In the early days, bootstrapping a computer meant feeding a paper tape containing a boot program or manually loading a boot program using the front panel address/data/control switches.
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