is it disks or discs?
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Spelling of disc. ... For example, in the case of flat, rotational data storage media the convention is that the spelling disk is used for magnetic storage (e.g. hard disks) while disc is used for optical storage (e.g. compact discs, better known as CDs).
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A virtual disk is a file or set of files that appears as a physical disk drive to a guest operating system. The files can be on the host machine or on a remote computer. ... Smaller files require less storage space and are easier to move if you want to move the virtual machine to a new location.
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There are two physical sizes: 12 cm (4.7 inches) and 8 cm (3.1 inches), both 1.2 mm thick. These are the same form factors as CD. A DVD disc can be single-sided or double-sided. Each side can have one or two layers of data.
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A basic disk is a conventional storage model that uses partition tables or logical drives to manage data on the hard disk, whereas a dynamic disk does not use partition tables, but dynamic volumes instead of partitions.
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Key Differences Between Magnetic disk and Optical disk 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. ... In contrast, the data in the magnetic disk is randomly accessed.
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A disk on a computer is usually partitioned in either MBR or GPT (two different partition table). Those partitions are then formatted with a file system, such as FAT, EXT2 and NTFS. Most disks smaller than 2TB are NTFS and MBR. Disks larger than 2TB are NTFS and GPT.
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A disc brake consists of four different parts. These components work together to form a functional and complete brake system. These parts include brake pad, brake rotor, brake calipers, and calipers support.
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The types of DVD formats are: DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+R DL, and DVD+RW. There are more types of DVDs than CDs because when first introduced, there was essentially a format standard war between manufacturers.
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The hard disk, sometimes called the "hard drive" (which is actually the mechanism that holds the hard disk), is a spindle of magnetic discs that can hold several gigabytes of data. ... Memory, on the other hand, is not the same as disk space! Memory refers to the random access memory (RAM) inside your computer.
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Standard CDs are available in two sizes. By far, the most common is 120 millimetres (4.7 in) in diameter, with a 74- or 80-minute audio capacity and a 650 or 700 MiB (737,280,000-byte) data capacity. Discs are 1.2 mm thick, with a 15 mm center hole.
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“Hard Disks” or hard drives is a term that has come and gone, specifically, although generically refers to computer “storage”. While “storage” by be more “technically” correct, using “hard disk” or “hard drive” to reference storage is way more common/colloquial use for the term.
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What is the difference between a DVD-R (recordable) and DVD-RAM disc? DVD-RAM: Is an optical disk that allows data to be read, written and erased. ... DVD-R: Much faster than DVD-RAM. It works like “a big CD-R”.
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Disks. A disk refers to magnetic media, such as a floppy disk, the disk in your computer's hard drive, an external hard drive. Disks are always rewritable unless intentionally locked or write-protected. You can easily partition a disk into several smaller volumes, too.
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An optical disk drive uses a laser to read and write data. ... An optical drive that works with all types of discs will therefore have two separate lenses: one for CD/DVD and one for Blu-ray.
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A floppy disk, also known as a floppy, diskette, or simply disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles. Floppy disks are read and written by a floppy disk drive (FDD).
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Each writable layer of a DVD has a spiral track of data. On single-layer DVDs, the track always circles from the inside of the disc to the outside. ... You will often read about "pits" on a DVD instead of bumps. They appear as pits on the aluminum side, but on the side that the laser reads from, they are bumps.
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Volume Names don't really have any meaning beyond a friendly reference, and there's no difference between a volume called "New Volume", "Local Disk" or "Dans Hard Drive". You'll rarely see and A: and B: due to legacy requirements - these always used to be the floppy disks.