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The most recent backup is the son, the previous the father, and the oldest backup is the grandfather. This method is commonly used for a batch transaction processing system with a magnetic tape drive. If the system fails during a batch run, the master file is recreated by restoring the son backup and then restarting the batch.
Disaster recovery is a subset of business continuity. Where DRP encompasses the policies, tools and procedures to enable recovery of data following a catastrophic event, BCP involves keeping all aspects of a business functioning regardless of potential disruptive events. As such, a business continuity plan is a comprehensive organizational ...
Accounting. An accounting information system (AIS) is a system of collecting, storing and processing financial and accounting data that are used by decision makers. An accounting information system is generally a computer-based method for tracking accounting activity in conjunction with information technology resources.
Backup. In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is "back up", whereas the noun and adjective form is "backup". [1] Backups can be used to recover data ...
Site-to-site backup. backup, over the internet, to an offsite location under the user's control. Similar to remote backup except that the owner of the data maintains control of the storage location. Synthetic backup. a restorable backup image that is synthesized on the backup server from a previous full backup and all the incremental backups ...
Responsibility assignment matrix. In business and project management, a responsibility assignment matrix[1] (RAM), also known as RACI matrix[2] (/ ˈreɪsi /) or linear responsibility chart[3] (LRC), is a model that describes the participation by various roles in completing tasks or deliverables [4] for a project or business process.
Outsourcing. Outsourcing is a business practice in which companies use external providers to carry out business processes that would otherwise be handled internally, [1][2][3] Outsourcing sometimes involves transferring employees and assets from one firm to another. The term outsourcing, which came from the phrase outside resourcing, originated ...
Business continuity planning life cycle. Business continuity may be defined as "the capability of an organization to continue the delivery of products or services at pre-defined acceptable levels following a disruptive incident", [1] and business continuity planning [2] [3] (or business continuity and resiliency planning) is the process of creating systems of prevention and recovery to deal ...