题目内容

______:The phosphorescent surface on which an image is displayed, as on a television, computer monitor, or radar receiver.

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____: A program that observes, supervises, or controls the activities of other programs.

____: The smallest image-forming unit of a video display.

____:The fineness of detail that can be distinguished in an image, as on a video display terminal.

____: One of a set of symbols, such as letters or numbers, that are arranged to express information.

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