Flash Drives and Optical Storage

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Recommended: Optical storage devices and their advantages and disadvantages

Flash Drives and Optical Storage
What is a flash Drive? Well a USB Flash drive is a memory storage device that is plugged into a computer or other mobile devices. Flash Drive also called Thumb drives are very convenient for users, they are small and light weight and have a memory storage ranging from 512MB to 64Mb. (Gary B. Shelly).Most flash drives are removable and rewriteable. USB Flash drives are typically used for backups or transfers of computer files. Flash drives consist of small printed circuit boards carrying circuit elements, and USB connecters that are installed electorally, and are protected by plastic, metal, and sometimes a rubberized case. The USB connecter is usually protected by a removable cap that connects to the drive. Power is drawn from computer when the USB flash drive is connected. When connected users can then access whatever has been backed up or transferred to the Flash drive.
Optical discs! What are optical discs? An optical disc is a flat round portable metal disc with plastic coating. CDs, DVD, and BLU-RAY discs are three types of optical discs. (Gary B. Shelly). Optical discs are Storage devices that are read by light. The most common optical discs used are CDs, and DVDs. These discs are removable media. Optical discs weigh little to nothing and have high capacity for storage. (PCmag.com)
Optical discs like stated above are read by light by a laser or electronic waves with in or near the visible light spectrum, which is a process of reading the discs. The most important part of the optical discs drive is the optical path located in the (PUH) Pickup Head, this consists of lasers, and lens that glides the laser beam, as well as let light reflect from the discs surface. The lens and the discs have ...

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Card Data Recovery. 16 novmber 2013. 21 November 2013. .
Fisher, Tim. Optical Disc Drive. n.d. November 20, 2013 November 2013. .
Gary B. Shelly, Misty E. Vermatt. Microsoft Office 2010 Introductory. Nichole Pinard, 2011.
Optical Disc. 7 November 2013. Novmber 20, 2013 November 2013. .
Optical Disc Drive Anti Completion Class Action. n.d. 21 novmber 2013. .
"PCmag.com." 1981-2013. Encyclopedia. November 20, 2013 November 2013. .
Sklavos, Dustin. Notebook Review. 3 novmber 2008. 20 November 2013. .

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