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TCP is the Transport layer protocol in the Internet, it uses three times handshake protocol to establish the connection, the following is the whole process of TCP establishing the connection. The process of TCP establishing a connection

Taiwan half Company carefully launched TSC B-2,404 code printer has a low price, excellent quality, to provide a variety of optional accessories, fully meet the requirements of users! For users often encounter the TSC B-2404 print each label

Friends recently equipped with a dual-core computer, so that the installed staff installed XP system directly after the home, the results inadvertently open Task Manager, found that the CPU use records only showed a core, suddenly panic, thought to

What is the Ntldr file: What does NTLDR mean: NTLDR full name is a hidden, read-only system file, located in the root directory of the system disk, used to load the operating system. is a WINNT/WIN2000/WINXP boot file, so it should be backed up

Apple's ipad in the United States on April 3, since the official sale of many domestic importers crazy roasted seeds and nuts, resulting in the ipad domestic price than the United States more than two thousand or three thousand yuan. Many users

Many users who use the MacBook have encountered internal speaker failure, and the MacBook's built-in speaker fails, and its headphone holes will also light up red, as shown in the following figure. So what causes the MacBook's headphones to Kong

What is the HDD repair tool? HDD Repair tool which is good? HDD Repair Tool Set disk partition management and data recovery function in one tool software. It is a powerful, flexible and easy-to-use zoning software, but also a highly skilled,

How does a geometric artboard draw an ellipse? The geometric sketchpad is a dynamic geometric tool which is suitable for the vector analysis, drawing and function drawing of mathematics, plane geometry and physics. This tool can draw various types

As an ordinary consumer, we always want to buy products with exquisite workmanship and better quality. In the PC field, the Apple MacBook Series computer not only has the acme of workmanship, excellent quality, and the appearance design is also more

As a result of the Mac system is not easy to take screenshots, many children's shoes are using the QQ version of the screen (shortcut key Command+control+a), Qqmac version of the screenshot of the picture to save where? Can you set the save path

Mac users must know the difference between IP address and MAC address, but for their own computer IP address and MAC address specifically what, many users are not necessarily able to know, then, how to view their computer IP address and MAC address?

MacBook air2015 installation win8.1 black screen solution come on! Apple launched the MacBook Air2015, although the high-end configuration, but the OS X system is very few people can master, can only reload the win8.1 system. The win8.1 system is

Chassis Width Small chassis is still not the market mainstream First chassis as a hardware-supporting, the internal space is naturally there is a certain demand, to the current market, ATX Architecture chassis occupy the

The theoretical data for SATA2.0 and SATA3.0 hard drives are quite different, however, the actual use of the platform itself and the control of the system, as well as different applications to determine the actual use of the results, and through

For mobile hard drives, many workers and technicians are more favored, because compared to u disk, mobile hard disk security can be higher, the capacity is relatively large. However, the mobile hard disk is not absolutely safe, some users in the use

What is the "keychain access" that comes with Mac computers? Keychain Access is a Mac built-in Password management tool, and many users will let Safari remember the password when they log on to various web pages, or it will send mail the

Notebook graphics currently two major camps, respectively, Nvida graphics, AMD graphics card. In addition, Intel and AMD APU processors also have a built-in core graphics card, but the core graphics performance is relatively limited, can not be

It is declared this way in the Windows unit: Type tmsg = Packed record Hwnd:hwnd; //Window Handle Message:uint; //Message constant identifier Wparam:wparam; Specific additional information for 32-bit messages Lparam:lparam; Specific additional

For MacBook Air and MacBook Pro users are too hot forever is the pain of our hearts, especially the small part of the 13-inch Air, test a CS 1.6 are hot deadly, completely dare not try large-scale games. Mac OS devices want to play games? Let's

Users who have Apple Watch on their hands have more knowledge of the Force Touch feature, or users who have purchased the new Macbook experience this feature. Force Touch is a touch sensing technology that Apple uses for Apple Watch, the new MacBook,