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The host is the most important. People input data to the host computer through keyboard, mouse and other input devices. After data processing by the host computer, the results are output to us through output devices such as displays and printers. The main components of the host include: memory, hard disk, motherboard, graphics card, sound card, optical drive, floppy drive, etc. Now many graphics card-like components can be integrated into the motherboard. CPU is also called central processing unit. CPU is the abbreviation of Central Processing Unit in English. As important as people's brains. It directs and dispatches all the work of the computer. Usually we refer to the CPU model when we say Ben 2, Ben 3 and Ben 4.这是她秘密交代的，让玄龟等十几个水性好的少年，只要遇见水，随时训练划水和潜水的能力，并嘱咐他们不可泄露，只告诉人是在玩水。Differences between simple factories and factory methods: Simple factories and factory method patterns look very similar, especially specific factories in simple factories and factory methods. Simple factory, all things have been done in one place. However, the factory method creates a framework for subclasses to decide how to implement it. For example, in the factory method, the OrderPizza method creates a general framework to create pizza. The OrderPizza method relies on the factory method to create specific classes and make actual pizza. It is possible to decide what the actual products manufactured are by inheriting the factory. Simple factories do not have this flexibility.The first handshake: when establishing the connection, the client sends syn packet (syn=j) to the server and enters the SYN_SEND state, waiting for the server to confirm;《我们的生活比蜜甜》将带领我们重新走过和体验文革、上山下乡、恢复高考、改革开放等这段有苦有乐的辛酸历史，拂去现代社会的喧嚣浮尘去找回那个年代里人与人之间最真挚的情感。明天也是三更，表扬我吧。Charm 3:30 1-1000