data storage unit
1Data storage device — Many different consumer electronic devices can store data …
2Computer data storage — 1 GB of SDRAM mounted in a personal computer. An example of primary storage …
3Holographic data storage — is a potential replacement technology in the area of high capacity data storage currently dominated by magnetic and conventional optical data storage. Magnetic and optical data storage devices rely on individual bits being stored as distinct… …
4Storage virtualization — refers to the process of abstracting logical storage from physical storage. The term is today used to describe this abstraction at any layer in the storage software and hardware stack.Key conceptsAddress space remappingVirtualization of storage… …
5Data proliferation — refers to the prodigious amount of data, structured and unstructured, that businesses and governments continue to generate at an unprecedented rate and the usability problems that result from attempting to store and manage that data. While… …
6Data integrity — in its broadest meaning refers to the trustworthiness of system resources over their entire life cycle. In more analytic terms, it is the representational faithfulness of information to the true state of the object that the information represents …
7Unit record equipment — Before the advent of electronic computers, data processing was performed using electromechanical devices called unit record equipment, electric accounting machines (EAM) or tabulating machines. Unit record machines were as ubiquitous in industry… …
8Storage block — A storage block is a physical sector on the surface of a disk or diskette. It is the smallest unit of transference between the main memory and a given disk drive.In the IBM mainframe terminology, a block is the minimal physical division of data… …
9Data cluster — Not to be confused with clustered file system. Disk structure: (A) track (B) geometrical sector (C) track sector (D) cluster In computer file systems, a cluster or allocation unit is the unit of disk space allocation for files and directories. To …
10Data loss — is an error condition in information systems in which information is destroyed by failures or neglect in storage, transmission, or processing. Information systems implement backup and disaster recovery equipment and processes to prevent data loss …
