One Category of General Controls Is Physical and Online Access

question 122

Essay

One category of general controls is physical and online access controls. Describe the control and give at two examples of implementation of the control.

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Definitions:

Spline

A series of ridges or teeth on a drive shaft that mesh with grooves in a mating piece, allowing torque to be transferred while permitting some axial movement.

Yoke

Any of a number of different fork-shaped components. Shift yokes (on shift rails) fit to dog clutches in a transmission to move them in and out of engagement. A pair of drive shaft yokes couple to each other using a U-joint as an intermediary.

Brinelling

Minor indentations on the shoulder or in the valley of a bearing race, usually caused by improper installation.

Spalling

Surface fatigue that occurs when chips, scales, or flakes of surface metal separate because of fatigue rather than wear.