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Discussion: WEEK 8: Sorting out the fine lines between/among some MIS elementsReported This is a featured thread

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carmelatherese
carmelatherese
WEEK 8: Sorting out the fine lines between/among some MIS elements
Feb 1 2008, 11:14 AM EST | Post edited: Feb 1 2008, 11:14 AM EST

1. BOUNDARY
Boundary has two distinct meanings in the sport of cricket;
(i) the edge or boundary of the playing field, and
(ii) a manner of scoring runs.
Example:
The boundary is the edge of the playing field, or the physical object marking the edge of the field, such as a rope or fence. If the physical object is moved during play (such as by a fielder sliding into the rope) the boundary is considered to remain at the point where that object first stood.
Constraint in information theory refers to the degree of statistical dependence between or among variables.
Example:
Drum-Buffer-Rope is a manufacturing execution methodology, named for its three components. The drum is the physical constraint of the plant: the work center or machine or operation that limits the ability of the entire system to produce more. The rest of the plant follows the beat of the drum. They make sure the drum has work and that anything the drum has processed does not get wasted.
3. Interface
the aggregate of means by which people interact with a machine, device, computer program, or other complex tool.
It may also be a point of interconnection between a terminal and a network or between two networks.
Example:
To work with a system, the users need to be able to control the system and assess the state of the system. For example, when driving an automobile, the driver uses the steering wheel to control the direction of the vehicle, and the accelerator pedal, brake pedal and gearstick to control the speed of the vehicle. The driver perceives the position of the vehicle by looking through the windscreen and exact speed of the vehicle by reading the speedometer. The user interface of the automobile is on the whole composed of the instruments the driver can use to accomplish the tasks of driving and maintaining the automobile.
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