optical information systems
111Data remanence — is the residual representation of data that remains even after attempts have been made to remove or erase the data. This residue may result from data being left intact by a nominal file deletion operation, by reformatting of storage media that… …
112Backup — For other uses of Backup , see Backup (disambiguation). In information technology, a backup or the process of backing up is making copies of data which may be used to restore the original after a data loss event. The verb form is back up in two… …
113Computer — For other uses, see Computer (disambiguation). Computer technology redirects here. For the company, see Computer Technology Limited. Computer …
114light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
115Mohammad Ataul Karim — Born May 4, 1953 (1953 05 04) (age 58) Sylhet, Bangladesh Citizenship Bangladesh / USA …
116History of the Internet — Main article: Internet The history of the Internet starts in the 1950s and 1960s with the development of computers. This began with point to point communication between mainframe computers and terminals, expanded to point to point connections… …
117Access control — is the ability to permit or deny the use of a particular resource by a particular entity. Access control mechanisms can be used in managing physical resources (such as a movie theater, to which only ticketholders should be admitted), logical… …
118Digital microscope — An insect observed with a digital microscope. A digital microscope is a variation of a traditional optical microscope that uses optics and a charge coupled device (CCD) camera to output a digital image to a monitor, sometimes by means of software …
119National Health Service (England) — The NHS Logo for England …
120Global Positioning System — GPS redirects here. For other uses, see GPS (disambiguation). Geodesy Fundamentals …
