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A complete computer system consists of hardware and software. As the name implies, hardware is the physical equipment that can be seen and touched in the computer, such as the host computer. Software, on the other hand, is relative to hardware. It refers to various programs and related documents needed to run on the computer, such as a drawing software or a gobang game. Computer hardware and software are indispensable. Hardware is the material basis on which software can work and is the "body". Software is the soul of the computer and the core of controlling and operating the computer. They complement each other and form a complete computer system. From the appearance, the computer includes: monitor, host computer, keyboard, mouse and sound box.NBC宣布续订《芝加哥烈焰》第六季。没有什么职业能比在芝加哥第51消防队当一名消防员更有压力和危险同时又令人激动了。这是一群在大多数人面临危险夺路而逃的时候挺身而出的人们。但是胜任这份工作的崇高使命也使得他们不得不付出一些个人代价。The following is the definition of the factory method: an interface is defined to create an object, but the subclass decides which one to create. The factory method defers this process of creating objects to subclasses.很多玩家只看过我写的部分小说，他们如果想要更好的玩《天书红颜录》，更了解这个游戏。《老子传 奇》以圣人老 子一生的传奇经历和周末时期乱世之 纷争的百年历史作为两条主线贯穿， 将老子博大精深的道德思想显化，使 人们能从中感悟大道之真谛，体会为 人之根本，行事之准则。(Update 11.29)就在此时，魔法少女之间开始流传某个传闻。