Computer data storage Reference Libraries

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Random Access Memory
2010-09-27 16:50:16

Random access memory (RAM) is a form of computer data storage that takes the form of integrated circuits in order to allow stored data to be accessed in any order. Random refers to the idea that any piece of data can be restored in a constant time, regardless of its physical location and whether or not it is related to the prior piece of data. The word RAM is often associated with unstable...

2010-09-13 12:44:42

In computing, memory applies to the state information of a computing system because it is kept active in some physical structure. The term "memory" is used for the fast information in physical systems, as a distinction from physical systems which are slow to access. The term also refers to temporary state devices. Informally, computer memory refers to the physical devices used to store data or...

2010-09-09 17:44:12

Computer hardware describes the physical components that make up a personal computer. Operating systems and many software applications can be installed on hardware in order to perform the operator's desired functions. Most personal computers consist of a chassis in a tower shape, a desktop, all of which contain hardware components. The main component inside the case of the computer is the...

Hard Disk Drive
2010-09-08 11:52:07

A hard disk drive is a non-volatile storage device for digital data. It has rotating rigid platters on a motor-driven spindle that is held in a metal case. Read/write heads float on a cushion of air about the platters and encode data magnetically. Hard disk manufacturers refer to disk capacity in standard powers of 1000. Hard disk drives were invented in 1956 by IBM and have been the dominant...

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