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We know that computers can be used for work, study, entertainment, etc. In addition to the necessary computer hardware, software is also needed. Usually, we call a computer with only hardware but no software "bare metal", which cannot do any meaningful work. At present, software can be divided into two categories according to its use: system software and application software. System software is a program designed for computer systems to efficiently use and manage computer software and hardware resources and support the operation of application software. Such as operating systems, programming languages and language processing programs, network system software, system service programs, etc. Among them, Windows operating system is what we often use. Application software is a variety of programs that are user-oriented and written to solve practical problems. It can be written by users themselves or purchased. For example, office XP, Photoshop, Red Alert and so on, which we often use.If you are satisfied, please adopt it.忽然，板栗伸手将黄瓜拽过来，推到刘蝉儿身边，笑眯眯地问大伙：你们瞧瞧：黄瓜跟蝉儿妹妹是不是很像？就跟我跟小葱似的，像双胞胎。这些哲学的根子都源于同一个人，王明阳。　　当David开始意识到自己的能力正在逐渐显现却难以控制，同时，他也发现自己正被一个暗中的政府机构追捕，想要把他培育成武器。另外，也有一个由变种人组织的机构正在寻找大卫，帮助他理解和使用他的能力。身材畸形的尚小蝶因误入蝴蝶公墓而变身美女，因此得知自己是半蝶人的身世之谜。于是，酝酿了近一个世纪的半蝶人族群拯救阴谋，即将在她身上展开。