tailieunhanh - CompTIA A+ Complete Study Guide part 4

một sợi dây đặc biệt trong các tín hiệu cáp ribbon khi một đĩa trao đổi đã diễn ra, và khi đó phá vỡ dây, lỗi này xảy ra. Card âm thanh được truyền thống đầy vấn đề của hầu hết các thành phần trong máy tính. Họ đòi hỏi rất nhiều tài nguyên máy tính và nổi tiếng là không linh hoạt trong cấu hình của họ. | 224 Chapter 4 Understanding Operating Systems In Windows 2000 and XP the swap file is called and it s located in the root directory of the drive on which you installed the OS files. The swap file is a hidden file so to see the file in Windows Explorer you must have the folder options configured to show hidden files. Typically there s no reason to view the swap file in the file system because you ll use Control Panel to configure it. However you may want to check its size and in that case you d use Windows Explorer. The moral of the story As with most things virtual a swap file is not nearly as good as actual RAM but it is better than nothing To modify the default Virtual Memory settings follow these steps In Windows 2000 click Start Settings Control Panel. Double-click the System icon and select the Advanced tab. Then click Performance Options and in the Virtual Memory area click Change. In Windows XP click Start Control Panel. Double-click the System icon and select the Advanced tab. In the Performance area click Settings. Next click the Advanced tab yes another Advanced tab and then in the Virtual Memory area click Change. Note that in addition to changing the swap file s size and how Windows handles it you can also specify the drive on which you want to place the file. You should place the swap file on a drive with plenty of empty space. As a general rule try to keep 20 percent of your drive space free for the overhead of various elements of the OS like the swap file. Do not set the swap file to an extremely small size. Another general rule would be that the swap file should be at least as big as the amount of RAM in the machine. If you make the swap file too small the system can become unbootable or at least unstable. Windows System Files Among the things you must be familiar with in preparation for the A exam are the startup and system files used by Windows 2000 and Windows XP. We will look at each of them individually but Windows makes nosing .

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