Introduction to ITEC 120: Course Overview and Workflow, Study notes of Computer Science

Download Introduction to ITEC 120: Course Overview and Workflow and more Study notes Computer Science in PDF only on Docsity! 8/27/08
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 Introduction to ITEC 120 Professor Andrew Ray Introduction Question •  Write down 5 activities you enjoy doing everyday (1 minute) •  Share these with your neighbor and discuss if computers are used in this activity (2 minutes) •  Introduce yourselves and 1-2 of your results Introduction Feedback •  Why I Should Care – Relevance – Timing •  Anonymous evaluation –  Index cards •  Office hours – Not just for feedback – Help, even if it is basic Introduction ITEC 120 •  Does – Foundations of programming –  Introduces java – Prepares you for future courses •  Does not – Make you a competent programmer – Give you skills to write large programs 8/27/08
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 Introduction Outline •  Three questions – 1) What work am I going to have to do in this course? – 2) How am I going to be graded? – 3) What am I going to learn in this course? •  Others? Introduction Workload •  Theory versus practice •  Workload – 1 week = 3 days of lecture + 2 days of lab – Expected that you will put what is taught in lecture into practice – Probably highest workload of this semesters classes – Cumulative, cannot skip a week and succeed Introduction Assignments •  Labs •  Homework •  Projects •  Tests •  Attendance Quizzes;
5%
 Tests;
40%
 Projects;
30%
 Homework;
 10%
 Labs;
10%
 ABendance;
5%
 Grades
 Quizzes
 Tests
 Projects
 Homework
 Labs
 ABendance
 Introduction Lectures •  Presentation of information •  Discussion •  Tests – Have you have learned the material? •  Quizzes – Helps guide lecture emphasis •  Administration 8/27/08
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 Introduction Workflow •  Problem •  Decompose into steps •  Translate steps into PL statements •  Build software •  Test software •  Release software Introduction Program •  What is it? – Statements that tell a computer what to do •  Add two numbers together •  int x=2+5; – Relationship to hardware? – Made with a programming language Introduction PL Uses Introduction Relationship •  Software and hardware Program
 You
 Machine
Format
 Compiler
 Computer
 ScienOst
 Binary
 Computer
 Computer
 Engineer
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 Introduction History •  Reason for inventing computers? •  Layers of abstraction Electricity
 Hardware
 SoGware
 Computer
 ScienOsts
 Computer
 Engineers
 Electrical
 Engineers
 Introduction Components •  Von Neumann Model From
wikipedia
 Introduction Binary •  Base 2 number system – Relationship to electricity – Benefits / downsides A
 ASCII

=
2510
=
11012
 Computer
 OperaOng
 system
 Program
 Computer
 Engineers
 Computer
 Engineers
 Computer
 ScienOsts
 Computer
 ScienOsts
 Introduction History of PL •  First generation (Binary) – 000100010011 (Add 3 to register 1 and store it in register 0) •  Second generation (Assembly) – Add R1,R0 #3 •  Third generation (Current) –  int x=y+3; •  Fourth generation ??? 8/27/08
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 Introduction Java •  Several types – Programming language from Sun – Popular drink – Song title – An island •  First two are pertinent to this course Introduction History •  Java - a system that allows for consumer electronic devices to talk to each other •  Platform independent – Runs on anything cell-phone, computer, xbox •  High reliability – For devices and programmers •  Security •  From PDA->Internet Source:
 hBp://ei.cs.vt.edu/book/chap1/java_hist.html
 Introduction Basics •  Big 3 – Materials, workers, and workbenches •  Materials –  Just exist •  Workers – Perform a specific task on a specific material •  Workbenches – Organize / manage materials and workers, and communicate with other workbenches Introduction Example Parts
 Engineer
 Products
 Sales

 Officer
 Cash
 10
 5
 50
 Worker
 Worker
 Material
 Material
 Material
 Workbench