Why is less hard disk space
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Users questions:I buy a computer, the hard drive marked the 160G, but the boot, all the hard disk but only the sum of 148G, as is the youngest a decrease of 12G? They go?
Experts answer:1 is the brand of your machine do this is the case there is a hidden tray allows you a little off key recovery system used in this space on a 2 if yourDisk partition using the NTFS file system, then in the district where there is an important document MFT. Known as the master file table MFT, is a map of all objects stored in the disk's index file. Therein contains the following data: size, time and time stamp, security attributes and data location. AsYou can continue to use the MFT to access all of the other files on the disk, so it will be gradually formed fragments, resulting in longer disk access time and reduce disk performance. Therefore, the development of NTFS file system, near the reserve in the MFT with a particular area, to reduce the MFT in the debris, the default shapeState, this region accounts for 12.5% of the size of the entire volume. 3 with 40GB hard disk drive manufacturers, for example the standard: 40GB = 40,000 MB = 40,000,000 KB = 40,000,000,000 byte; operating system algorithms: 40GB = 40, 960MB = 41,943,040 KB = 42,949,672,960 byte; 40G hard disk shown in the operating system capacity: 40,000,000,000 1024 1024 1024 = 37.2529 (GB), sub -This area will be less good 3G
Experts answer:1 is the brand of your machine do this is the case there is a hidden tray allows you a little off key recovery system used in this space on a 2 if yourDisk partition using the NTFS file system, then in the district where there is an important document MFT. Known as the master file table MFT, is a map of all objects stored in the disk's index file. Therein contains the following data: size, time and time stamp, security attributes and data location. AsYou can continue to use the MFT to access all of the other files on the disk, so it will be gradually formed fragments, resulting in longer disk access time and reduce disk performance. Therefore, the development of NTFS file system, near the reserve in the MFT with a particular area, to reduce the MFT in the debris, the default shapeState, this region accounts for 12.5% of the size of the entire volume. 3 with 40GB hard disk drive manufacturers, for example the standard: 40GB = 40,000 MB = 40,000,000 KB = 40,000,000,000 byte; operating system algorithms: 40GB = 40, 960MB = 41,943,040 KB = 42,949,672,960 byte; 40G hard disk shown in the operating system capacity: 40,000,000,000 1024 1024 1024 = 37.2529 (GB), sub -This area will be less good 3G
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