Computer Science · May / June 2017 · Paper 21 · Question 3
2210
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A satellite navigation system works using destination details entered by the user, either a new destination or chosen from previously saved destinations. The satellite navigation system will then output directions to the destination in the form of either a visual map or a list of directions. A satellite navigation system is an example of a computer system that is made up of sub-systems. This structure diagram shows some of its sub-systems. Complete the diagram by filling in the empty boxes. Satellite navigation system Input destination Map List [2]
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