“计算机的眼睛”将有质量保证本刊讯日前，ＡＤＣ模数转换器、ＤＡＣ（数模转换器）静态特性标准及装置在中国计量科学院通过部级鉴定。从此我国计算机的ＡＤＣ、ＤＡＣ在相对固定状态下的转换质量将有保证。ＡＤＣ、ＤＡＣ分别是计算机输入接口和输出接口处的集成电路片... “Computer Eyes” Will Have Quality Assurance This issue of the Journal of the Chinese Academy of Sciences has passed the ministry-level appraisal of ADC analog-to-digital converters and digital-to-analog converter (DAC) static characteristics standards and devices. Since then, the conversion quality of ADCs and DACs in China’s computers will be guaranteed in a relatively fixed state. ADC, DAC are the integrated circuit chip at the computer input interface and the output interface...