what is the difference between the disk and washer method?
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The disk method uses an infinitesimally thick slice of the area beneath a curve and rotates it around an axis to create a circle. That's why you'll see in the formula. The washer method uses the disk method twice, once to find the exterior volume, and again to subtract the vacated interior volume.
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To use Disk Wipe, choose any hard drive and click Wipe Disk to start the wizard. Choose a file system the drive should be formatted as, then select a data sanitization method. Supported erasing patterns in Disk Wipe include: DoD 5220.22-M.
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The magnetic disk is a fixed storage device whereas optical disk is transportable storage media which is removable. Optical disk generates better signal-to-noise ratio as compared to magnetic disk. The sample rate used in the magnetic disk is lower than used in the optical disk.
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A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a bolt or nut.
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The main difference is that the DVD can store much more data than a CD-ROM, CD-R, or CD-RW. DVD+R is a recordable DVD format similar to CD-R. A DVD+R can only record data once, then the data becomes permanent on the disc. ... DVD+RW is an erasable disc that can be reused similar to a CD-RW.
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The feature set found in front-loading washers is generally better than that of the top-loading washers. Also, front-loading washers are more energy and water efficient. Overall cleaning performance and stain removing abilities are better in front-loading washers.
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CCleaner includes a Drive Wiper, allowing you to wipe the free areas of your hard drive to greatly reduce the chances of anyone being able to recover the data later. When you delete a file, Windows removes the reference to that file, but doesn't delete the actual data that made up the file on your hard drive.
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HD "Optimization" and "Defragmentation" is the same thing. The windows file system is "lazy", designed to minimize "write head" movement. ... Over time the free blocks become more scattered, making large files written in scattered blocks. It is "fragmented".
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But the gap widens significantly when it comes to efficiency. Our data shows that, on average, front-loaders clean better than top-loaders while also using about five gallons less water per cycle. ... Washing machines remove stains by moving clothes through detergent and water, then rinsing out any excess soap.
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The main difference between a storage volume and partition is the type of disk used. A volume is created on a dynamic disk -- a logical structure that can span multiple physical disks -- while a partition is created on a basic disk.
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Belt drives dampen vibrations, direct drives produce more vibration specially when the rpm goes up. But in washing machines, the direction of rotation changes time to time and direct drive offers more stability.
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Disk Clean-up would also check the trash bin and old restore files that you may not need. It does ask you for a confirmation before deleting these files to make sure that you wouldn't need them anymore. The second tool is the Disk Defragmenter. As you use your computer you create files and delete files as well.
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The main difference between a storage volume and partition is the type of disk used. A volume is created on a dynamic disk -- a logical structure that can span multiple physical disks -- while a partition is created on a basic disk. create volumes or disk partitions. A volume is also more flexible than a partition.
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It's not the player itself that needs cleaning, but the optical 'eye' lens that reads the discs. There are commercial DVD/CD lens cleaners available for cheap in stores. They look like CDs/DVDs, but they have little brushes on the bottom, to brush away any dust or dirt from the optic lens of your player.
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['fdisk (fixed disk) Command. ... ', 'sfdisk (scriptable fdisk) Command. ... ', 'cfdisk (curses fdisk) Command. ... ', 'Parted Command. ... ', 'lsblk (list block) Command. ... ', 'blkid (block id) Command. ... ', 'hwinfo (hardware info) Command.']
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SSD vs. HDD: What's the difference? A hard disk drive (HDD) is an old-school storage device that uses mechanical platters and a moving read/write head to access data. A solid-state drive (SSD) is a newer, faster type of device that stores data on instantly-accessible memory chips.
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Utilities like CCleaner or DBAN are made for magnetic disk drives and won't work on SSDs. Fortunately, there are two free secure-erase utilities that do work with SSD drives. ... Parted Magic is easy to use and compatible with most modern SSD drives.