Since tablet computers and smart phones have（ ）interface, many people believe that all homeand business computers will eventually have this kind of interface too。（2016年下半年程序员综合知识真题答案与解析）
Since tablet computers and smart phones have（ ）interface, many people believe that all homeand business computers will eventually have this kind of interface too。（2016年下半年程序员综合知识真题答案与解析）
A、CRT
B、LED
C、Touch-screen
D、Large screen
参考答案： C
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