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22.06.2021 •
Computers and Technology
Consider a file system using the indexed allocation. The block size is 512 bytes and the pointer to a block takes 2 bytes. The largest file size that a one level indexed allocation method could handle is KB. Recall that 1KB is equal to 210 bytes. Answer -1 if there is no limit based on the provided information.
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Ответ:
128 KB
Explanation:
Given data :
The block size = 512 bytes
Block pointer size = 2 bytes
In an indexed allocation, a special block named Index Block contains all the pointers to the blocks that the file had occupied.
Therefore, the maximum number of block pointer in 1 block :
= 256
Thus, a block can hold maximum 256 pointers.
It is given the level of indexing is one. So,
Maximum size of the file = maximum number of block pointers in 1 file x block size
= 256 x 512
= 128 KB (∵ 1 KB =
)
Therefore, the largest file that 1 level if indexed allocation method can handle is 128 KB.
Ответ:
Explanation:
Windows 7 is an operating system that was produced by Microsoft and released as part of the Windows NT family of operating systems. It was released to manufacturing on July 22, 2009, and became generally available on October 22, 2009. It is the successor to Windows Vista, released nearly three years earlier.
Windows 7 is an operating system released by Microsoft on October 22, 2009. It follows the previous (sixth) version of Windows, called Windows Vista.
Like previous versions of Windows, Windows 7 has a graphical user interface (GUI) that allows you to interact with items on the screen using a keyboard and mouse. However, Windows 7 is also includes a feature called "Windows Touch" that supports touchscreen input and multitouch functionality. For example, you can right-click a file by touching it with one finger and tapping it with another. You can also zoom in on an image by touching it with two fingers, then spreading your fingers apart. Windows 7 is bundled with several touch-ready programs that are designed for touchscreen use.
Windows 7 also includes several new multimedia features. One example is "Play To," a program that allows you to stream audio and video to different computers or devices within your house. The "HomeGroup" feature makes it easy to share media files and other data between computers. It also makes it possible to share printers on a home network. The "Remote Media Streaming" feature allows you to access the music, video, and photo libraries on your computer from remote locations.
The search feature in Windows 7, called "Windows Search," allows you to see results of searches as soon as you start typing in the search box. Windows Search categorizes the results by file type and displays text snippets that indicate where the search phrase was found in each result. After the search results are returned, it is possible to narrow the results by filtering them by date, file type, file size, and other parameters. You can search local drives, external hard drives, and networked drives all using the standard Windows Search interface.
Windows 7 is available in the following editions:
Windows 7 Home Premium - the standard version installed with most home PCs and includes all of the features listed above.
Windows 7 Professional - typically installed on business computers and includes all the Home Premium features as well as additional features such as Windows XP mode (XPM) and Domain Join.
Windows 7 Ultimate - the most complete version, which has all of the Professional features as well as BitLocker data protection and additional language support.
The system requirements for Windows 7 are:
1 GHz or faster 32-bit (x86) or 64-bit (x64) processor
1 GB of RAM or 2 GB of RAM for the 64-bit version
16 GB of available hard disk space or 20 GB for the 64-bit version
DirectX 9 graphics device with WDDM 1.0 or higher driver