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Computer data storage
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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 fundame
1 GiB of SDRAM mounted in a computer. An example of primary storage.
1 GiB of SDRAM mounted in a computer. An example of primary storage.
15 GB PATA hard disk drive (HDD) from 1999. When connected to a computer it serves as secondary storage.
15 GB PATA hard disk drive (HDD) from 1999. When connected to a computer it serves as secondary storage.
A large tape library, with tape cartridges placed on shelves in the front, and a robotic arm moving in the back. The visible height of the library is
A large tape library, with tape cartridges placed on shelves in the front, and a robotic arm moving in the back. The visible height of the library is about 180 cm.
A 1 GiB module of laptop DDR2 RAM
A 1 GiB module of laptop DDR2 RAM
Computer memory
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Computer memory stores information, such as data and programs, for immediate use in the computer; instructions fetched by the computer, and data fetched and stored by those instructions, are located i
Computer data storage
…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…
DDR4 SDRAM module. As of 2021[update], over 90 percent of computer memory used in PCs and servers was of this type.
DDR4 SDRAM module. As of 2021[update], over 90 percent of computer memory used in PCs and servers was of this type.
Electromechanical memory used in the IBM 602, an early punch multiplying calculator
Electromechanical memory used in the IBM 602, an early punch multiplying calculator
Detail of the back of a section of ENIAC, showing vacuum tubes
Detail of the back of a section of ENIAC, showing vacuum tubes
Williams tube used as memory in the IAS computer c. 1951
Williams tube used as memory in the IAS computer c. 1951