The advantage in such a system is that, because stored programs can be easily interchanged, the same hardware can perform a variety of tasks.

这一系统的优点在于存储的程序可以很容易地相互交换，所以相同的计算机硬件能完成各种任务。

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You will park your cellphone in a slot in your TV and watch your favorite stored programs.

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But by adding a hard drive to the TV, broadcast programs can be stored until users want to view them -- essentially a poor man's video-on-demand.

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Any part of the round images can be made into a two-dimensional view, while programs find and match faces with stored video images.

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