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Sequences, Modules and Variables David Millard (dem@ecs.soton.ac.uk)
Overview ,[object Object],[object Object],[object Object],[object Object],[object Object]
Pseudocode ,[object Object],[object Object],[object Object],[object Object]
Pseudocode ,[object Object],[object Object],[object Object],[object Object]
Pseudocode ,[object Object],[object Object],[object Object],[object Object]
Pseudocode ,[object Object],[object Object],[object Object],[object Object]
Example: Making a Cup of Tea
Example: Making a Cup of Tea ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Pseudocode Assumptions?
Example: Making a Cup of Tea ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Pseudocode ,[object Object],[object Object],[object Object],[object Object],[object Object]
Modules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: Making a Cup of Tea ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Example: Making a Cup of Tea ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fetch Utensils and Ingredients Boil Water in Kettle Make Tea in Pot Add Tea, Milk and Sugar to Cup
Example: Making a Cup of Tea ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fetch Utensils and Ingredients Get Cup Get Kettle Get Tea Get Milk Get Sugar Lumps Boil Water in Kettle Empty Kettle Fill Kettle with Water Switch Kettle on Wait until Kettle Boils Make Tea in Pot Put Tea in Pot Put Boiling Water in Pot Wait 2 Minutes Add Tea, Milk and Sugar to Cup Put Milk in Cup Pour Tea in Cup Put 1 Sugar Lump in Cup Stir Tea in Cup Give Cup of Tea to User
Variables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Parameters ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Where are the Variables and Parameters? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fetch Utensils and Ingredients Get Cup Get Kettle Get Tea Get Milk Get Sugar Lumps Boil Water in Kettle Empty Kettle Fill Kettle with Water Switch Kettle on Wait until Kettle Boils Make Tea in Pot Put Tea in Pot Put Boiling Water in Pot Wait 2 Minutes Add Tea, Milk and Sugar to Cup Put Milk in Cup Pour Tea in Cup Put 1 Sugar Lumps in Cup Stir Tea in Cup Give Cup of Tea to User
Where are the Variables and Parameters? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fetch Utensils and Ingredients Get Cup Get Kettle Get Tea Get Milk Get Sugar Lumps Boil Water in Kettle Empty Kettle Fill Kettle with Water Switch Kettle on Wait until Kettle Boils Make Tea in Pot Put Tea in Pot Put Boiling Water in Pot Wait 2 Minutes Add Tea, Milk and Sugar to Cup Put Milk in Cup Pour Tea in Cup Put 1 Sugar Lumps in Cup Stir Tea in Cup Give Cup of Tea to User
Where are the Variables and Parameters? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Fetch Utensils and Ingredients Get Cup Get Kettle Get Tea Get Milk Get Sugar Lumps Boil Water in Kettle Empty Kettle Fill Kettle with Water Switch Kettle on Wait until Kettle Boils Make Tea in Pot ( n_min ) Put Tea in Pot Put Boiling Water in Pot Wait  n_min  Minutes Add Tea, Milk and Sugar to Cup ( n_sugars ) Put Milk in Cup Pour Tea in Cup Put  n_sugars  Sugar Lumps in Cup Stir Tea in Cup Give Cup of Tea to User
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Sequences Modules08