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Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [ 1]: 15–16. The central processing unit (CPU) of a computer is what manipulates data by performing computations.
Data storage is the recording (storing) of information ( data) in a storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media. Biological molecules such as RNA and DNA are considered by some as data storage. [ 1][ 2] Recording may be accomplished with virtually any form of energy.
Cloud storage is a model of computer data storage in which data, said to be on " the cloud ", is stored remotely in logical pools and is accessible to users over a network, typically the Internet. The physical storage spans multiple servers (sometimes in multiple locations), and the physical environment is typically owned and managed by a cloud ...
Data storage needs to be fast, intuitive, effective, safe and cost-effective — a tall order in a world where data now far outpaces the population. It will be interesting to see which method can ...
Disk storage (also sometimes called drive storage) is a data storage mechanism based on a rotating disk. The recording employs various electronic, magnetic, optical, or mechanical changes to the disk's surface layer. A disk drive is a device implementing such a storage mechanism. Notable types are hard disk drives (HDD), containing one or more ...
Energy storage is the capture of energy produced at one time for use at a later time [ 1] to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electrical potential ...
e. A hard disk drive ( HDD ), hard disk, hard drive, or fixed disk[ a] is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material.
Storage (memory) In mental memory, storage is one of three fundamental stages along with encoding and retrieval. Memory is the process of storing and recalling information that was previously acquired. Storing refers to the process of placing newly acquired information into memory, which is modified in the brain for easier storage.