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Task 1 Objectives: Today you will learn: §
That a set of traffic lights is an example
of a computer controlled system. §
How to prepare succinct instructions to carry out a particular task. §
At least one advantage of using a computer to control a
set of traffic lights. §
I am looking for you to: §
Talk about the instructions needed to
make traffic lights work. E.g start, wait, stop, turn on/off etc §
Write a set of instructions which might
work traffic lights §
Explain why instructions have to be clear
and exact |
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Instructions
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Help and Resources |
Time |
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1.1 Checking how much you know already about control |
View
teacher slide show |
10 |
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1.2 Watch and discuss the Slideshow 1: |
10 |
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1.3 Look at Mimic Index. In 12 groups, discuss different pictures. ·
What could be
controlled automatically? ·
How does it do
this? What is switched on and off? What sensors are used? Each group reports back to the class. |
10 |
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1.4
Make a new folder: My
Documents/ICT/Control 7.6 |
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5 |
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1.5 Complete the task in Pupil_resource_1.1 |
Save
and Open Pupil_resource_1.1 |
10 |
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1.6 Discuss the lesson with your teacher |
5 |
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Homework Describe three differences between a human school
crossing control and a pelican crossing. Give one advantage and one
disadvantage for each of the two types of crossing. |
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Teacher info:
Keywords: The traffic lights change in an automatic sequence of instructions. The sequence loops all day. We refined
the sequence to make the timings different in the morning and evening. |