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what is an operating system?

there are two main categories of software. there is 'application software' with examples such as word processors, spreadsheets and database. the other main category is called 'system software' which includes the operating system and utillity programs.

what are biometrics?

biometrics systems are phisical charcteristics such as fingerprints, voice, facial features and eye scans to identify people, these systems not yet prove anything…