vineri, 23 mai 2014

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http://mantenimiento-informatico.tancra.es
Reparacion ordenadores
Life cycle of a computer system.

For good maintenance is necessary to know the life cycle of a computer system . The life cycle of a computer system is the set of phases that passes since created until it is ruined. The main phases of the life cycle of a computer system are:

Construction or installation : in this phase the computer system is created where functionality is created and installed.

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Operation : The phase in which the computer system is operating . This phase should take into account aspects such as system maintenance, adjustment, and extension .

Destruction: You uninstall the computer system, including recycling and storage.

2 Levels of maintenance of software systems

In maintaining a computer system takes place at a few levels: hardware , software and information.

2.1 Hardware Maintenance Level

It takes into account the point out of the equipment and system peripherals .

Failures at this level are given in the form of failures which can be due to wear of the materials or incidents. The amount of damage directly affects the behavior of the system , since in many cases can affect a substantial part of it , getting to disable it quickly or forever. In business the impact of a fault involves as little decline of work time for an employee. But there are cases where monetary decline and image .

The tasks performed at this level of maintenance are :

Cleaning the hardware devices .
Control operation of equipment stress conditions (voltage , temperature, etc. )
Replacement or repacaciГіn of components that work in disrepair

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