1. CS104 Problem Solving and Programming
Let’s Try That Again
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CS104 Problem Solving and Programming

2. CS104 Problem Solving and Programming
Introductions
Course Requirements
Demographics Survey
Student and Instructor Introductions
Setup Teams
Some Examples
Tonight’s Original Lecture (if we have time)
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CS104 Problem Solving and Programming

3. CS104 Problem Solving and Programming
Course Requirements
Everything is on the Website
Downloading fundamentals
Floppy Disks
You DO NOT NEED To Purchase the Software
Turning Stuff In
Where Do You Want to Go With This?
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CS104 Problem Solving and Programming

4. CS104 Problem Solving and Programming
My Background
Broadcast Engineer
‘95-’98 Experimental Math Instructor
‘98-Present Software Tester at USA.NET
Future--OptionMail
Other :)
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CS104 Problem Solving and Programming

5. CS104 Problem Solving and Programming
Setting Up Teams
Teams emulate the Workplace (the Real World)
Learning is accelerated when you share
Sharing means contributing to the project...
4 people to a group
TURN IN YOUR OWN WORK :)
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CS104 Problem Solving and Programming

6. CS104 Problem Solving and Programming
When We are In the Lab
Make ourselves a directory on the D: Drive
Build a program in Visual C++ that will say “Hello” to us.
Build a program in Visual Basic that will say “Hello” to us.
Save our VB and C++ programs on a 3.5-in disk in the A: Drive.
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CS104 Problem Solving and Programming

7. CS104 Problem Solving and Programming
How to Learn
Read (Research)
Practice
Lecture
Interact
Synthesize (Think)
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CS104 Problem Solving and Programming

8. Beginning Problem-Solving
Week 1
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CS104 Problem Solving and Programming

9. Chapter 1 Problem-Solving Concepts
Learning Objectives
Describe Heuristic versus Algorithmic Solutions
List and Describe Six Steps in an Algorithmic Solution to a Problem
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CS104 Problem Solving and Programming

10. The Problem-Solving Process
Identify the Problem
Understand the Process
Identify Alternative Solutions
Select the Solution(s)
List the Instructions
Test the Solution(s)
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CS104 Problem Solving and Programming

11. Problem-Solving Concepts
The Problem-Solving Process
Types of Problems
Problem Solving with Computers
Difficulties with Problem Solving
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CS104 Problem Solving and Programming

12. CS104 Problem Solving and Programming
Introduction
Problem Solving with Computers
Solution
Results
Program
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CS104 Problem Solving and Programming

13. CS104 Problem Solving and Programming
Introduction
Difficulties with Problem Solving
Not taught
Fear of Making a Decision
Going through steps inadequately
Not defining the Problem
Eliminating good alternatives
Not using logical sequencing
Focusing on details too early
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CS104 Problem Solving and Programming

14. CS104 Problem Solving and Programming
Let’s Try It
Peanut Butter and Jelly Sandwich
Filling Your Gas Tank
Steamboat Arabia
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CS104 Problem Solving and Programming

15. CS104 Problem Solving and Programming
US West Cellular
“We do not know what our customers are experiencing when they place calls through our system. We want to know the voice quality of their connections and how often they do not connect and how often their calls are dropped.”
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CS104 Problem Solving and Programming

16. Gates Rubber Company Harley Davidson
“We do not know what torque is delivered to the rear wheel of our motorcycles under normal and severe driving conditions. We have done finite-element analysis and dynamometer test, but we know little about actual driving conditions.”
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CS104 Problem Solving and Programming

17. CS104 Problem Solving and Programming
Eastman Kodak Company
“We want to know the thickness of the individual coatings on our color film. We need to adjust our coating machinery to maintain coating thickness to within 5/10,000 of an inch. We manufacture film 8 feet wide and 1.5 miles long.”
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CS104 Problem Solving and Programming

18. CS104 Problem Solving and Programming
Group Effort
Problem 5, p Otto the Robot
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CS104 Problem Solving and Programming

19. CS104 Problem Solving and Programming
Group Effort
Problem 6, p36 -- Part-Time Employee
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CS104 Problem Solving and Programming

20. Chapter 2 Problem-Solving Concepts for the Computer / Lab Intro
Learning Objectives
Differentiate Between Basic Data Types
Evaluate Expressions and Equations Using Variables, Constants, and Operators
Lab Introduction and Demo
Load and run a “Hello” program
Save to and Load from 3.5-in disk
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CS104 Problem Solving and Programming

21. Primitive Computer Concepts
Three Types of Problems can be solved on computers (what can’t?)
Computational (duh!)
Logical
Repetitive
Constants and Variables
Constant: a specific alphabetical/numerical value, that never changes during processing of instructions in a solution
Variable: may change during processing
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CS104 Problem Solving and Programming

22. Primitive Computer Concepts
Data is “Unorganized Facts”
Data Types (see page 19, Table 2.3)
Numerical Data
Character Data -- Alphanumeric Data
Logical Data
Rules for Data Types--programmer designates, cannot be mixed
Examples of Data Types
Functions (22, Table 2.4)
Operators (23-25, Tables 2.5, 2.6, 2.7 FOO)
Expressions and Equations (27, Table 2.8)
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CS104 Problem Solving and Programming

23. CS104 Problem Solving and Programming
Let’s Try These:
Pages Numbers 1-10
Problems: 1, 3
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CS104 Problem Solving and Programming