Q1:How many different things did you count? What were they? In what ways might computers be used to control different things in the supermarket?
1.I counted 3 things first one is that Tme for Mike to get up and second one is Mike’ssarellite navigation system warns him of traffic jamand third one is car park barrier.and other different figure..
Q.2Why is it useful to use computers tather than people to control things? What problems might there be if any of the computers systems fail in the supermarket.
2.Because computers can enter the information easily, and raders could find things easily.
Q3.Describe the inputs and outputs for the other devices that we have talked about so far. How do the supermarket doors and car park barriers know when to open? Identify other control systems that work automatically
3.You must give the information or introduction or the muchines will not work.
Q4.What would happen if the instruction is wrong? these insturction aussume that the car is in the right pac. what would happen if the car were not there? How could they stop this happening?
4. If one introduction is wrong that other system will not work.
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