Automated Systems: Credit Homework Questions

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Mrs Smith
Mr Carey
Mr McGivern
Mr Munro

A section of road has a set of traffic lights. People who use the road are unhappy because the road is often quiet yet they still have to wait for quite a long time at the lights, even when there is no traffic at all coming in the opposite direction.
It is proposed to introduce sensors to the lights to improve the traffic flow.
The council must decide whether to use movement sensors mounted on top of the cameras or pressure sensors built into the road.
Give one reason why the use of pressure sensors may be a better idea. [PS] (2 points)

Outline how the new system will work if the lights are fitted with pressure sensors. [PS] (2 points)

Why is an analogue to digital converter required in this system? [KU] (1 point)

The introduction of robots into the work place is one aspect of the field known as artificial intelligence.
Another area in which artificial intelligence is used is in the development of medical expert systems. These are databases of medical facts and opinions that have been created using the expert knowledge of many doctors and are used to help in the diagnosis of patients' illnesses.
Give two possible advantages to the doctor of using expert systems for diagnosis. [PS] (2 points)

Give one possible advantage to a patient of being able to consult with an expert system. [PS] (1 point)

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Credit Homework Questions

Automated Systems Credit Homework Set 7

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