A Computer Has Three Main Modules Which Have Individual Reliabilities

question 45

Essay

A computer has three main modules which have individual reliabilities of .80,.90,and .90.Because of recent failures,management is now considering adding redundancy.Determine the reliability of the system with backups under these conditions:
(i)Each module has a backup with reliability equal to its own and a backup switch with a reliability of 1.00.
(ii)The backup consists of an identical computer which operates as a whole rather than backing up individual sections.The single switch for the backup computer has a reliability of .96.

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Definitions:

Pretend

Act of simulation or feigning; behaving as if something is the case when in fact it is not.

Dysfunctional Conflict

A disagreement or conflict that leads to negative outcomes, disrupting group harmony or individual performance.

Absenteeism

the habitual non-presence of an employee at their job, often without good reason.

Turnover

The rate at which employees leave a company and are replaced by new employees.