...程控电话交换机 Digital Telephone Switch Board ; SPC telephone exchange ; stored program controlled telephone switching system ; program control switches 程控电话网 controlled telephone ..
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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.
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。
With switches upgrading, technology is constantly increasing, the trend for more control of program - controlled switches few fonts.
随着交换机的更新换代，技术的不断提高，交换机的发展趋势为更加数字型的程控交换机。
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