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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."On the hottest day, my parents can't turn on the air conditioner."李玉娘见状，上前道：好了好了，你们就不要再客气了，外面如此炎热，赶快进屋说话吧。　　美术指导：赵鑫科《蜗居》《丑女无敌2》《唐砖》《少年时代》家中老父、幼子需要照顾，妻子下岗，四个弟妹各有各的麻烦，于是“的哥”文海成为陈家当之无愧的顶梁柱…… 　　这部剧透过一户居住在“城市里的村庄”——大杂院里的普通人家的生活流程和感情纠葛塑造了一位正直、宽厚、勇担责任、勇于牺牲的大哥形象。这些人正式彭云和陈青山派到赵地的人马，他们负责前去邀请蒯彻前来帮助。七月十三日，玄武将军张灵儿带领一干人证回京。