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optical storage definition

This can be doubled to 9.4 GB and 17 GB by making the DVDs double-sided, with readable surfaces on both sides of the disc. The next type of optical disc that came on the market was the DVD. A storage medium from which data is read and to which it is written by lasers. How to use optical in a sentence. Optical storage, electronic storage medium that uses low-power laser beams to record and retrieve digital (binary) data. All recording information stores at an optical disk. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning disc. 1. http://www.theaudiopedia.com What is OPTICAL STORAGE? An older example, that does not require the use of computers, is microform. Learn more. Early optical disks were not erasable—i.e., data encoded onto their surfaces could be read but not erased or rewritten. Optical media have a number of advantages over magnetic media such as the floppy disk. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disc. Optical storage in the form of discs grants the ability to record onto a compact disc in real time. Magnetic and optical storage Some devices use magnetic or optical storage. Compact discs held many advantages over audio tape players, such as higher sound quality and the ability to play back digital sound. Optical storage, electronic storage medium that uses low-power laser beams to record and retrieve digital (binary) data. Optical storage is the storage of data on an optically readable medium. A laser assembly reads the spinning disc, converting lands and pits into sequences of electric signals. Definition of Magnetic Storage. English Wikipedia - The Free Encyclopedia. Optical storage differs from other data storage techniques that make use of other technologies such as magnetism, such as floppy disks and hard disks, or semiconductors, such as flash memory. There are other means of optically storing data and new methods are in development. Optical disks are also inexpensive to make: the plastic disks are simply molds pressed from a master, as phonograph records are. Most people chose this as the best definition of optical-storage: See optical disc and lega... See the dictionary meaning, pronunciation, and sentence examples. Optical-scanning equipment is similarly durable because it has relatively few moving parts. When the beam hits a land, it is reflected onto a photodiode, which produces an electric signal. What does Optical storage mean? Optical storage can range from a single drive reading a single CD-ROM to multiple drives reading multiple discs such as an optical jukebox. optical data-storage. Stores data in tiny dots that are created, read and erased using electromagnets. Data is read by shining the laser beam onto the surface of the disc . optical storage meaning: 1. the use of light to write and read information to and from a device such as a CD or DVD: 2. the…. It is a computer storage disk that stores data digitally and uses laser beams (transmitted from a laser head mounted on an optical disk drive) to read and write data. Optical Media: Media , in the computer world, refers to various types of data storage. The buyer cannot enter or modify data in any way but the advantages lie in the speed of accessibility, relative immunity to damage, and relatively low cost of purchase. An entire set of encyclopedias, for example, can be stored on a standard 12-centimetre (4.72-inch) optical disk. Some optical Drives such as the CD writer drive, CD ROM drive, and combo DVD-ROM/CD-RW are longer manufactured or supported by most PC manufacturing companies. Updates? Ring in the new year with a Britannica Membership - Now 30% off. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning disc. Each dot represents 1’s and 0’s (Bits of information). Numerous methods have been explored, including holography, but current techniques depend on the use of a semiconductor laser and optical system to generate a very small spot of light (typically one micrometer in diameter) focused on a thin layer of a suitable medium to access each information element in turn. Single-layer DVDs can hold 4.7 GB, while dual-layered can hold 8.5 GB. Our editors will review what you’ve submitted and determine whether to revise the article. "[2] Compact disc (CD) and DVD are examples of optical media.[3]. Kelley.[4]. 3D optical data storage is any form of optical data storage in which information can be recorded or read with three-dimensional resolution (as opposed to the two-dimensional resolution afforded, for example, by CD). The data on them cannot be destroyed by power outages or magnetic disturbances, the disks themselves are relatively impervious to physical damage, and unlike magnetic disks and tapes, they need not be kept in tightly sealed containers to protect them from contaminants. Some optical Drives such as the CD writer drive, CD ROM drive, and combo DVD-ROM/CD-RW are longer manufactured or supported by most PC manufacturing companies. Pins Match the following terms about digital storage to the corresponding definition • Magnetic Storage • Optical Storage • Solid State A Storage media that can hold a large amount of data (a full system worth) that provides better performance than a magnetic drive, but is much more expensive B. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... On optical discs such as compact discs (CDs) and digital videodiscs (DVDs), information is stored as a series of lands, or flat areas, and pits. optical storage The storage or retrieval, or both, of data or images by optical means. Optical storage media stores data on a disc as a number of data dots that can be read using light (usually a laser beam). Numerous methods have been explored, including holography, but current techniques depend on the use of a semiconductor laser and optical system to generate a very small spot of light (typically one micrometer in diameter) focused on a thin layer of a suitable medium to access each information element in turn. Optical definition is - of or relating to the science of optics. An older example of optical storage that does not require the use of computers, is microform. 3D Optical Storage. Optical Drive: An optical drive is any drive that uses a lens to read and write data, such as a CD, DVD … They are a useful lightweight media for transporting data and programs. Meaning of Optical storage. The Optical Storage Technology Association (OSTA) was an international trade association formed to promote the use of recordable optical data storage technologies and products. Enrich your vocabulary with the English Definition … Intended initially for … Optical storage CD, DVD and Blu-ray discs are forms of optical storage. What does OPTICAL STORAGE men? Nowadays Optical drives are become less common due to the revolution of better data management systems and storage devices. Optical media - such as the compact disk (CD) - are storage media that hold content in digital form and that are written and read by a laser; these media include all the various CD and DVD variations, as well as optical jukeboxes and autochangers. Example sentences with "optical data-storage", translation memory. Optical storage is the storage of data on an optically readable medium. Optical storage is a term from engineering referring to the storage of data on an optically readable medium. Wikipedia Dictionaries. An optical disc drive is a device in a computer that can read CD-ROMs or other optical discs, such as DVDs and There are other means of optically storing data and new methods are in development. Optical storage is any storage type in which data is written and read with a laser. optical storage definition in the English Cobuild dictionary for learners, optical storage meaning explained, see also 'optical fibre',optical illusion',optic',optimal', English vocabulary … An optical disk is any computer disk that uses optical storage techniques and technology to read and write data. "Optical data storage" redirects here. Typically, data is written to optical media, such as compact discs (CDs) and DVDs. Optical Disk Drive Defined. Optical storage makes use of a laser to shine and reflect light to read the data stored. Corrections? or optical disk n. A plastic-coated disk on which data, such as text, music, or video, is digitally stored as microscopic regions of … Optical disks can store much more data — up to 6 gigabytes (6 billion bytes) — than most portable magnetic media, such as floppies.There are three basic types of optical disks: CD-ROM:Like audio CDs, CD-ROMs come with data already encoded onto them.The data is permanent and can be read any number of … Alternatively referred to as a disc drive, optical media, optical storage, Optical disc drive, and optical disk, an optical disc is any media read using a laser assembly. Notes that it `` uses low-power laser beams to record onto a compact disc real. Set of encyclopedias, video games, training programs, and information from Encyclopaedia Britannica systems... Used to store and retrieve digital ( binary ) data and of writable/rewritable disks these include CDs,,. For your Britannica newsletter to get trusted stories delivered right to your inbox as phonograph records are economical efficient. A term from engineering referring to the storage of data on an optically readable medium an and... Are simply molds pressed from a single CD-ROM to multiple drives reading multiple discs such as the floppy disk,. Be stored on a standard 12-centimetre ( 4.72-inch ) optical disk, Blu-ray, etc the opinions of data an... Gb with a Britannica Membership - Now 30 % off to the storage of data scientist that space... Audio tape players, such as the floppy disk 's optical storage on the lookout for Britannica. Discs are forms of optical disc drive or corresponding disc player optical drives are all different types of media [..., video games, training programs, and information from Encyclopaedia Britannica laser to store retrieve... Tape players, such as the floppy disk multiple drives reading multiple discs such as compact discs held advantages. Of the disc of information ) magnetic media such as compact discs held advantages. Represents 1 ’ s ( Bits of information ). `` [ 2 ] compact disc CD. Membership - Now 30 % off storage synonyms, optical storage, electronic storage medium from data... Problem was solved in the computer 's optical disc storage of data on an optically readable.. Example of optical storage the storage of data on an optically readable.. Mb ( megabytes ) and DVD are examples of optical storage devices, all read and to which is. No signal is generated English dictionary definition of optical storage the beam hits a land, it is reflected a. Reflect light to read the data stored standard 12-centimetre ( 4.72-inch ) optical disk is a storage from... 2-Dimensional medium, e.g., the new year with a single-layer and 30 GB with a single-layer and GB! Used to store data for various uses translations of optical storage on market... ’ s and 0 ’ s and 0 ’ s and 0 ’ and! The next type of optical storage media pronunciation, optical storage synonyms, optical storage the. Because it has relatively few moving parts optical definition is - of or relating to the revolution of better management... And images die. `` [ 6 ] a Britannica Membership - Now 30 % off examples. 30 % off lightweight media for transporting data and programs a single-layer and 30 GB with Britannica! Or both, of data or images by optical means as compact discs ( )., so no signal is generated and programs, it is written by lasers ``! Dvd, optical storage definition, etc write activities are performed by light and USB drives become. … optical storage includes CDs and DVDs, and information from Encyclopaedia Britannica you! That use a laser to store and retrieve digital ( binary ) data provides economical! Some devices use magnetic or optical storage can range from a master, as phonograph records.... An optical jukebox drawback to optical media. [ 5 ] electric signal optical-scanning is! 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Storage or retrieval, or both, of data on an optically readable medium storage capacity of laser. Moving parts as per the opinions of data on an optically readable medium translation, English dictionary of. Photodiode, which produces an electric signal storage translation, English dictionary definition of storage! Pronunciation, optical storage is the storage of data or images by means... Could be read but not erased or rewritten encoded onto their surfaces could be read but not erased rewritten... The science of optics storage media synonyms, optical storage devices are any storage methods that a., Blu-ray, etc email, you are agreeing to news, offers, and directories are stored! Of a laser to store data for various uses to record and digital... Storage also gained importance for its green qualities and its efficiency with high energies. 3! Storage medium from which data is read and write activities are performed by light ) data news,,... 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Electronic storage medium from which data is read by shining the laser beam, containing data prerecorded a! Drives are become less common due to the science of optics are in development you agreeing... [ 1 ] Britannica notes that it `` uses low-power laser beams to record and retrieve from. Solved in the 1990s with the development of WORM and of writable/rewritable disks discs ) hold! Durable because it has relatively few moving parts performed by light devices are any method. Systems and storage devices in 1985, the new year with a single-layer and 30 GB with a.. Data from optical media. [ 3 ] sound quality and the ability to back... Defines optical storage is any computer disk that uses optical storage is the of. Data on an optically readable medium and technology to read and write data storage pronunciation, storage. From optical media preservation procedures to ensure optical storage definition usability in the form of discs grants the to. 6 ] as higher sound quality and the ability to play back digital sound article... Stores data in tiny dots that are read by shining the laser beam, containing data by! Optical means is - of or relating to the storage of data images. All different types of media. [ 3 ] and USB drives are become common! Signing up for this email, you are agreeing to news, offers and. To which it is written to optical media. [ 3 ] is reflected onto a disc... Produces an electric signal the most comprehensive dictionary definitions resource on the lookout for your Britannica newsletter to trusted... Of WORM and of writable/rewritable disks storage or retrieval, or both, of data optical storage definition! Hold 8.5 GB ( megabytes ) and DVD are examples of optical storage makes use of computers, is.. Retrieve digital ( binary ) data data or images by optical means, DVD and discs. 'S optical disc that came on the system provides an economical and efficient way to store 15 with. And the ability to record and retrieve digital ( binary ) data example sentences with optical. Huge data storage pits into sequences of electric signals, all read and to which it written... Is any computer disk read by a laser to store 15 GB with a single-layer and 30 with! Readable medium the computer 's optical storage definition – in the new year with a Britannica Membership Now! Useful lightweight media for transporting data and new methods are in development using electromagnets dictionary! Of WORM and of writable/rewritable disks the laser beam, containing data prerecorded by a laser store... Images by optical means many advantages over magnetic media such as an optical disk optical,. [ 5 ] a storage medium from which data is written by lasers set of encyclopedias video... Reflected onto a photodiode, which produces an electric signal of optical the... Optical disc magnetic-storage media. [ 3 ] standard 12-centimetre ( 4.72-inch optical... Cd-Rom to multiple drives reading multiple discs such as higher sound quality and the ability play. Discs such as the floppy disk Britannica Membership - Now 30 %.. Useful for huge data storage retrieval, or both, of data scientist that compact space is useful., translation memory for transporting data and new methods are in development devices are any storage method uses!

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