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- Snippet from Wikipedia: Computer data storage
Computer data storage or digital data storage is the retention of digital data via technology consisting of computer components and recording media. Digital data storage is a core function and fundamental component of computers.
Generally, the faster and volatile storage components are referred to as "memory", while slower persistent components are referred to as "storage". This distinction was extended in the Von Neumann architecture, where the central processing unit (CPU) consists of two main parts: The control unit and the arithmetic logic unit (ALU). The former controls the flow of data between the CPU and memory, while the latter performs arithmetic and logical operations on data. In practice, almost all computers use a memory hierarchy, which puts memory close to the CPU and storage further away.
In modern computers, hard disk drives (HDDs) or solid-state drives (SSDs) are usually used as storage.
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Data Storage: See also Filesystems
Computer memory and data storage types:
General
General:
Non-volatile memory
Non-volatile memory - Non-volatile
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- Solid-state storage (SSS)
- Flash memory is used in:
- Solid-state drive (SSD)
- Solid-state hybrid drive (SSHD)
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NVRAM
Early-stage NVRAM
Early-stage Non-volatile random-access memory | NVRAM
Analog recording
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- Digital Data Storage (DDS)
Optical storage
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- Compact Disc Digital Audio (CDDA)
In development
Historical
- Paper data storage (1725)
- Punched card (1725)
- Punched tape (1725)
- Drum memory (1932)
- Magnetic-core memory (1949)
- Plated-wire memory (1957)
- Core rope memory (1960s)
- Thin-film memory (1962)
- Disk pack (1962)
- Twistor memory (~1968)
- Bubble memory (~1970)
- Floppy disk (1971)
(navbar_storage - See also navbar_memory, navbar_filesystems, navbar_boot)
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