As a computer's graphic and image input equipment, scanner has been applied to the fields such as graphic and image processing, publishing and printing, office automation, etc.
作为一种计算机图形和图象的输入设备，扫描仪已广泛应用于各类图形和图象处理、出版印刷、办公自动化等诸多领域。
Computer is follow the instructions to accept input, processing input data and generates information on the electronic equipment.
计算机是根据指令接受输入，处理输入数据并产生信息的电子设备。
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