Q1.How many different things did you count? What were they ? In what ways might computers be used to control different things in the supermaket?
A.i count 6.microwave,car,computers,robots,stellite navigation,credit card.light

Q2.Why is it useful to use computers rather than people to control things? What problems might there be if any of the computer systems fail in the supermarket?
A.computers can more faster than people to control things.It cann't work.

Q3.Describe the inputs and outputs for the other devices that we have talked about so far . How do the supermarket dorrs and car park barrieers know when to open? Identify other control systems that work automatically in this way.
A.input-quite a lot of devices use buttons or keypads of some sort as a way of inputting instructions,output-of some description.
have computer control it.
e.g;toilet flash automatically

Q4.What would happen if the instructions were wrong? These instructions assume that the car is in the right place.What would happen if the car were not there?How could they stop this happening.
A will make people die.
the car will can't move.
they made the stop thing to the car.

4.5 Predicting a trend

4.5Predicting a trend

Destination What is the trend? What I predict will happen next year.
Asia The trend is that the number of people going on holiday to Asia is increasing every year I predict it will go up again next year by around 30 or 40 people

America The trend is that the number of people going on holiday to Asia is increasing every year. I predict it will go up next year by around 3 people.
Australia The trend is that the number of people going on holiday to Asia is increasing every year
I predict it will go up next year by around 27 people
Europe The trend is that the number of people going on holiday to Asia decrease every year I predict it will go down next year by around 3 people
UK The trend is that the number of people going on holiday to Asia decrease every year. I predict it will go down next year by around 11 people

4.6-Reaching conclusions

Written Task: Reaching conclusions

Young people like Nike brand more than old people

1. Check whom I will ask the questions?
a) young people
b)old people

2. Design the questions (questions should be relevant to the hypothesis)
a)what is your phone number ?
b)how old are you ?
c)what brand do you like ?
d)how much money do you have(one year) ?

3. Distribute the questionnaire & collect it back.
a) 20 people

4. Create a data structure and use validations

a)structue the data in excel

5. Enter data collected

a)1.ask people 2. enter the information into Excel

6. Check the data trend
a)make chart =)

7. Come to a conclusion and check this with your hypothesis

a)Check the conclusion and hypothesis

8.Present the findings

a) Present the rusult to the people