meaning of system administrator

1. system administrator system administration system analysis systems analysis system analyst systems analysis system board motherboard system call system, programming> The mechanism used by an application program to request service from the operating system. System calls often use a special machine code instruction which causes the processor to change mode e. g. to "supervisor mode" or "protected mode". This allows the OS to perform restricted actions such as accessing hardware devices or the memory management unit.
2. a person in charge of managing and maintaining a computer system of telecommunication system as for a business or institution

Related Words

system administrator | systems administrators guild |

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