java语言程序设计基础篇 课后答案

Acomputerisanelectronicdevicethatstoresandprocessesdata.Acomputerincludesbothhardwareandsoftware.Ingeneral,hardwareisthephysicalaspectofthecomputerthatcanbeseen,andsoftwareistheinvisibleinstructionsthatcontrolthehardwareandmakeitwork.