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Class 8 Lecture Notes

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Stephen Parsons
Stephen Parsons

This week's topic is Conditional Logic. The exercises presented will help you to understand and applyconditional operators to the development of solutions and algorithms.

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Class 8 – Conditional Logic
Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pseudocode Review ,[object Object],[object Object],[object Object],[object Object],[object Object]
Pseudocode in Programs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Flow Chart Notation Review ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sample FlowChart ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],start end Assignment name? Set counter = 1 Counter>10? Calculate Average Print Average Increment Counter Student Grade? Yes No
Conditions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Relational Operators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Consider a=12 b=43 What is the effect on each of the conditions?
Relational Operators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Consider a=12 b=43 What is the effect on each of the conditions? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Logical Operators ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Consider a=Today is Tuesday b=It is Raining What is the effect on each of the conditions?
Exercise 8-1 ,[object Object],[object Object],[object Object]
Branching (Flow Control) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Notation - Single ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],start end x>4? get x Print “Hurray” T F
Notation - Dual ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],start end x>4? Get x Print “Hurray” Print “Sorry” T F
Notation – Multiple (Pseudocode) ,[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]
Notation – Multiple (Flowchart) start end X=3 Print “very close” T F eval x X=2 Get x X=1 Print “close” Print “bang on” Print “not even close” T T F F
Case versus Nested IF ,[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],[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]
Exercise 8-2 ,[object Object],[object Object]
Conditional Code in Ruby ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Quest: Project Work ,[object Object],[object Object],[object Object],[object Object]
Project Work ,[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Questions? ,[object Object],[object Object]

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Class 8 Lecture Notes

  • 1. Class 8 – Conditional Logic
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  • 16. Notation – Multiple (Flowchart) start end X=3 Print “very close” T F eval x X=2 Get x X=1 Print “close” Print “bang on” Print “not even close” T T F F
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Notes de l'éditeur

  1. Programmatic Algorithms will be interested in efficiency and effectiveness – elegance