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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.　　一具无名男尸横陈在西郊公园望江亭上，左玉及其同事开始调查此案，经排查，死者是龙翔集团财务总监杜安，巧合的是，左玉的副手林江和杜安是青梅竹马。随着调查的深入，杜安生前的债主霍钢和白帆成为重大杀人疑犯，警方抓获了白帆，而霍钢却逃之夭夭。Indonesia:生活不会一片坦途，更多时候是像在变化万千的大海上航行，时而风平浪静，时而波涛汹涌。而人生40也恰如生命之舟驶进了多风多浪的海域。知秀是大韩民国众多的普普通通的家庭主妇之一，在生活中她要扮演人媳、人妻、人母的角色，终日围绕着家庭忙忙碌碌，过着乏味而波澜不惊的日子。但知秀觉得踏实和满足。花英是知秀高中同学，也是知秀最要好的朋友，她的生活完全另一番景象：年少时移民美国、本人是整形外科医生、生活中涂满了华丽的色彩；但如今丈夫自杀，事业破产，陡然跌入人生低谷的她只身回到韩国……但这一次，是这个敌人惹怒了我们。郑氏也忍俊不禁，遂放下心来，跟小葱说笑几句，回房歇息不提。