A laser beam is the usual light source. The term most often is used in the context of computers or other electronic technologies for which information needs to be copied to a mobile storage unit or saved to a medium for long-term storage. Optical storage devices use optical technology to save and retrieve data on discs, like a Blu-ray, CD, DVD. Storage devices often function as a source of input because they transfer items from storage to memory. Definition – In the Magnetic storage devices, all data are stored with using magnetized medium, and those types of data saved in that medium in the binary form like as 0 and 1.This magnetic storage has also non-volatile storage nature. Examples of Magnetic disks are hard disk, floppy disks, magnetic tapes etc. CD, hard disk, flash memory. The magnetic and optical disk comes under the category of secondary storage devices. Magnetic Tape Magnetic tape is the oldest storage device. Optical Storage. Optical storage makes use of a laser to shine and reflect light to read the data stored. 10 Examples of Input Devices of Computer An input device can be defined as an electromechanical devices that allows the user to feed information or data into the computer for analysis, storage and give command to the computer. match the type of secondary storage devices to their examples. Optical Disk. Double Room available immediately in Roehampton! The device uses a laser light to read information on the … It cannot be overwritten. Optical Disk is again a storage device and use optical storage technology for data processing like read/write/access operations. Optical storage devices offer significant advantages over other high-capacity storages devices, such as tape and microfilm, with faster access times and a hierarchical-type file organization. The Magnetic disk and Optical disk are the storage devices that provide a way to store data for a long duration. » Double Room available immediately in … They are used more and more, as increasingly information (music, films etc, software) is only available on this type of media. It is strong and can handle temperature fluctuations much better than magnetic media. We'll learn how optical, magnetic and semiconductor storage works, as well as identify some examples of storage devices. Optical storage and tape storage are useful for storing backup information. A data storage device is any mechanism used to record data so it can be retrieved and used later. An optical storage device is written and read with a laser. IBM i optical storage uses files that are stored in directories and files that are stored in subdirectories similar to UNIX or PC-based file systems. Some devices use magnetic or optical storage. Optical devices include magnifying lenses, spectacles, binoculars, microscopes, telescopes and lasers. An optical disk is better known to most people as a compact disk (CD) or digital versatile disk (), which has data "burned" onto it by a laser.Most computers come equipped with a CD/DVD drive which can also write data onto the optical storage devices. CD-ROM disc – An optical storage device that is read-only or cannot be modified nor deleted. Optical Storage Devices • An optical disk is a high-capacity storage medium. For example, data written on a DVD-RAM can be read on a PC or any other system with an optical device and the same file system.Random access. Wikimedia Commons has media related to Optical devices: Subcategories. Magnetic and optical storage. Optical disks are another of the most commonly used storage devices. • It is a category of disk drives that employ two or more drives in combination for fault tolerance and performance. Optical storage devices save data as patterns of dots that can be read using light. This category has the following 20 subcategories, out of 20 total. Both are categorized under the category of secondary storage devices. Magnetism is key when it comes to this type of storage. Types Of Storage Devices There are three main types of storage devices: Magnetic Tape ; Magnetic Disk ; Optical Disk ; Flash Memory storage devices; 1. Disadvantages of the optical disk: The main disadvantages have cost both for the drive and the disks. While optical storage devices are exceedingly common in everyday life, few understand exactly how they work. Digital data storage media generally fall into one of five categories: magnetic storage devices, optical storage devices, flash memory devices, online/cloud storage, and paper storage. 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