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Computer Course > Expand the terms DVD and USB.
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Expand the terms DVD and USB.

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DVD- Digital Versatile Disk USB-Universal Serial Bus
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USB -Universal Serial Bus A USB (universal serial bus) flash drive is a small, portable device that plugs into a computer's USB port. Like a hard disk, a USB flash drive stores information, but usually a lot less than most hard drives. USB flash drives vary in size and shape and can hold gigabytes of...
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USB -Universal Serial Bus A USB (universal serial bus) flash drive is a small, portable device that plugs into a computer's USB port. Like a hard disk, a USB flash drive stores information, but usually a lot less than most hard drives. USB flash drives vary in size and shape and can hold gigabytes of information. They’re sometimes called thumb drives because they’re about the size and shape of a person’s thumb. They can be carried around easily, which makes them a good choice for transferring information from one computer to another. USB flash drives are also called pen drives, key chain drives, key drives, or memory sticks. -------------------------------------------------------------- DVD - digital versatile disc Nearly all computers today include a CD or DVD drive, usually located on the front of the system unit. CD drives use lasers to read (retrieve) data from a CD; many CD drives can also write (record) data onto CDs. If you have a recordable disk drive, you can store copies of your files on blank CDs. You can also use a CD drive to play music CDs on your computer. DVD drives can do everything that CD drives can, plus read DVDs. If you have a DVD drive, you can watch movies on your computer or play music CDs. Many DVD drives can record data onto blank DVDs. read less
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DVD stands for -> Digital Versatile Disc USB stands for - Universal Serial Bus
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Digital versatile disk Universal serial bus
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DVD ( "digital versatile disc" or "digital video disc") USB (Universal Serial Bus)
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USB, Universal Serial Bus is an I/O port which can support 127 devices; why its a BUS/HUB. USB 3.0 has 5-10 Gigabits/sec speed, Instead of 12Mbits/sec for USB 1.0. DVD is the acronym for Digital Versatile/Video Disc; is with 4.7GB capacity, instead of CD with 700MB. Both CD & DVDs...
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USB, Universal Serial Bus is an I/O port which can support 127 devices; why its a BUS/HUB. USB 3.0 has 5-10 Gigabits/sec speed, Instead of 12Mbits/sec for USB 1.0. DVD is the acronym for Digital Versatile/Video Disc; is with 4.7GB capacity, instead of CD with 700MB. Both CD & DVDs work with Optical/Light/Laser beam technology. Data is available in 'PIT" & "LAND" for "0" & "1". Hence the media CD/DVD disc is "DIGITAL" media. Data accessing from these media is 'RANDOM". One of the reason why computers are FAST !!! read less
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Short for digital versatile disc or digital video disc, a type of optical disk technology similar to the CD-ROM. A DVD holds a minimum of 4.7GB of data, enough for a full-length movie. DVDs are commonly used as a medium for digital representation of movies and other multimedia presentations that combine...
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Short for digital versatile disc or digital video disc, a type of optical disk technology similar to the CD-ROM. A DVD holds a minimum of 4.7GB of data, enough for a full-length movie. DVDs are commonly used as a medium for digital representation of movies and other multimedia presentations that combine sound with graphics. The DVD specification supports disks with capacities of from 4.7GB to 17GB and access rates of 600KBps to 1.3 MBps. One of the best features of DVD drives is that they are backward-compatible with CD-ROMs, meaning they can play old CD-ROMs, CD-I disks, and video CDs, as well as new DVD-ROMs. Newer DVD players can also read CD-R disks. DVD uses MPEG-2 to compress video data. read less
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