1 / 7

Chapter 1 - Introduction

Chapter 1 - Introduction. Types - programs, software translation process - abstract to detail, primitive, machine language - satisfy a need system software - operating system application programs utility programs data vs. information vs. knowledge. Application programs

sirvat
Download Presentation

Chapter 1 - Introduction

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 1 - Introduction • Types - programs, software • translation process - abstract to detail, primitive, machine language - satisfy a need • system software - operating system • application programs • utility programs • data vs. information vs. knowledge

  2. Application programs • programmer, analyst, systems analyst • read, process, produce information • information system • packaged/customized software • outsource or in-house • horizontal market • vertical market • VAR - value added reseller • interactive vs. batch • machine language • symbolic programs

  3. Compiled/interpreted and executed • VB - Visual Basic - GUI environment • event driven • forms, controls • procedural vs. object-oriented language • user controls • object model • objects - noun • properties - adjectives • methods - verbs

  4. Writing projects • 3 step process • Planning - design interface • set the properties • write the code • projects - files • .VBP - project file • .FRM - form file - objects and properties • .BAS - standard code modules • .OCX - custom controls • .VBW file - each of forms • Environment • Windows

  5. Modes • design time - design and code • run time - test and run • break time - pause and run time error • Writing project • plan • define user interface • form - twips • set properties • write code - event procedure - user controls • coding statements • REM - comments • assignment statements

  6. End statement • run project • save form and project - separate folder • print • Finding and fixing errors • compile errors - syntax • run-time errors - cannot execute • Logic errors - incorrect output • Naming rules and conventions • consistent - begin with a letter, up to 40 characters, letters, digits, underscore, no spaces or punctuation • naming conventions

  7. Assignment #1read chapter 1, pg. 46 – Review Questions 1-15; pg. 47 - #1.2 - design only

More Related