LESSON 1: ADVANCED ICT CONCEPTS AND PC OPERATIONS

TABLE OF CONTENTS

  i

LESSON 1: ADVANCED ICT CONCEPTS AND PC OPERATIONS

  

Lesson Objectives ………….. ....................................................... …………………….1-0

  

1.1 Trends in Computer Technology .................................................................. 1-29

  1.1.1 Hardware ...................................................................................... …. 1-29 Ubiquitous Computing .......................................................................... 1-29 Next Generation Chip ........................................................................... 2-29 Microdisplays and Headsets ................................................................ 3-29 Human Computer Integration ............................................................... 3-29 Atomic Quantum Computers ................................................................ 3-29 Optical Computers ............................................................................... 4-29 Flourescent Multiplayer Disc ................................................................ 4-29 Digital Books ........................................................................................ 5-29 Tablet PC ............................................................................................ 5-29 Virtual Keyboards ................................................................................. 5-29 Education ............................................................................................ 5-29 Entertainment ....................................................................................... 6-29

  1.1.2 Software ...................................................................................... …..6-29 User Interface ....................................................................................... 6-29 The Internet and the Web .................................................................... 7-29 Music and the Internet .......................................................................... 7-29 MP4 Video Compression ..................................................................... 7-29 Intelligent Agents .................................................................................. 8-29 Speech Recognition ............................................................................. 8-29 Control of Home Systems .................................................................... 8-29

  1.1.3 Communications and Networks ............................................................ 9-29 .Net and Software Subscriptions .......................................................... 9-29 Personal Area Networks ...................................................................... 9-29 Home Wireless Networks ..................................................................... 9-29 Wired Broadband ................................................................................. 9-29

  1.1.4 Mobile Wireless Connectivity ............................................................. 10-29 Wireless Devices ................................................................................ 10-29 _TM Bluetooth ......................................................................................... 10-29 Mobile Internet Access ....................................................................... 11-29 Global Positioning Systems ............................................................... 11-29 Electronic Paper / Electronic Ink ........................................................ 12-29 Multiple-Function Telephones ............................................................ 12-29

  1.1.5 Robotics .......................................................................................... 13-29 Brain Pacemaker ................................................................................ 13-29 Distance Surgery ................................................................................ 13-29 Artificial Intelligence Robot (AIBO) ..................................................... 13-29

  

1.2 The Future of Information Systems in Business ...................................... 14-29

  1.2.1 Authentication Security ................................................................ …..14-29

  1.2.2 Wiring the Entire Workforce ............................................................... 15-29

  1.2.3 Health-Care Industry .......................................................................... 15-29

  1.2.4 T-Commerce ................................................................................. 15-29

  1.2.5 E-Business ................................................................................. 15-29

  

1.3 System Maintenance and Troubleshooting ............................................... 16-29

  1.3.1 Develop a Set of Maintenance Plans and Procedures ...................... 16-29 Automated Tasks ............................................................................... 16-29 Keeping Proper Records .................................................................... 17-29

  1.3.2 Basic Hardware Maintenance ............................................................ 17-29

  1.3.3 General Preventive Maintenance ....................................................... 18-29 Monitors .......................................................................................... 18-29

  Basic ICT Concepts and PC Operation Table of Contents ii Hard Disk Drives ................................................................................ 19-29 Floppy Disk Drives ............................................................................. 19-29 Printers .......................................................................................... 20-29

  1.3.4 Preventive Maintenance Schedule .................................................... 20-29 Do this Daily ....................................................................................... 20-29 Do this Weekly ................................................................................... 21-29 Do this Every Time a New Device or Software Application is Added to the System ..................................................................................... 21-29 Do this Monthly .................................................................................. 21-29 Do this Every Six Months ................................................................... 21-29 Do this Annually ................................................................................. 21-29

  1.3.5 Maintaining Windows Systems Environment .................................... 21-29 Virus Protection .................................................................................. 22-29 Disc Cleanup ...................................................................................... 23-29 Checking Drive Integrity with Scandisk .............................................. 23-29 Keeping Files Orderly with Disk Defragmenter .................................. 23-29

  1.3.6 Software Backup Restore ................................................................... 24-29 File Backups ....................................................................................... 24-29 Developing Backup Plan .................................................................... 24-29

  1.3.7 Basic Hardware Maintenance ............................................................ 25-29 How to Maintain Your Computer ........................................................ 25-29 Visual Display Unit (VDU) Maintenance ............................................. 26-29 Computer should be Shut Off for Physical Maintenance ................... 26-29 Printer Maintenance ........................................................................... 27-29

  1.3.8 Basic Hardware Troubleshooting Tools ............................................. 27-29 Diagnostic Hardware .......................................................................... 27-29 The PC Tool Kit .................................................................................. 28-29 Troubleshooting Boot Problems ......................................................... 29-29

  

1.4 Students Assessments .................................................................................... 1-4

  Matching Type ................................................................................................. 1-4 Multiple Choice ................................................................................................. 1-4 Essay ............................................................................................................... 1-4

  

1.5 Computer Laboratory Exercises ..................................................................... 2-4

  Exercise #1: PC Backups .................................................................................. 2-4 Exercise # 2: Basic Maintenance Steps ............................................................ 3-4 Exercise #3: Using Anti-Virus (AVG) ................................................................. 4-4

LESSON 2: PROGRAMMING TECHNIQUES USING MICROSOFT VISUAL BASIC.NET

  

Lesson Objectives ..................................................................................... 2-0

  

2.1 Intro and Navigating VB.Net .......................................................................... 1-89

  2.1.1 Hardware Requirements ...................................................................... 1-89

  2.1.2 Software Requirements ........................................................................ 1-89

  2.1.3 Using the Microsoft Visual Studio .Net Start Page ............................... 3-89

  2.1.4 Creating Your First Project ................................................................... 3-89

  2.1.5 The Design Windows ........................................................................... 5-89

  2.1.6 Saving the Project ................................................................................ 7-89

  2.1.7 Execution .............................................................................................. 7-89

  2.1.8 Opening an Existing Project ................................................................. 8-89

  2.1.9 Managing a Project .............................................................................. 8-89

  Basic ICT Concepts and PC Operations Table of Contents iii

  

2.2 Object Oriented Programming (OOP) ........................................................ 10-89

  2.2.1 OOP Concepts ................................................................................... 10-89 Understanding Properties .................................................................. 10-89 Understanding Methods ..................................................................... 15-89

  2.2.2 Object Browser .................................................................................. 17-89

  

2.3 Events ........................................................................................................ 18-89

  2.3.1 Event-Driven Concept ........................................................................ 18-89

  2.3.2 Building and Event-Driven Program ................................................... 18-89

  2.3.3 Graphical User Interface (GUI) ........................................................... 20-89

  2.3.4 Testing Events ................................................................................ 22-89

  

2.4 Forms ........................................................................................................... 10-89

  2.4.1 Form Manipulation .............................................................................. 23-89 Naming Form ..................................................................................... 23-89 Changing the Form’s Title Bar ........................................................... 26-89 Background Colour ............................................................................ 27-89 Background Image ............................................................................. 28-89 Border Style ....................................................................................... 29-89 Control Box, Minimize and Maximize ................................................. 31-89 Start Position of the Form .................................................................. 31-89

  2.4.2 Hide and Show ................................................................................ 32-89

  2.4.3 Unloading Form ................................................................................. 80-89

  2.4.4 Controls ........................................................................................... 80-89 Label ................................................................................................ 80-89 Button ................................................................................................ 36-89 Textbox .............................................................................................. 36-89 Main Menu ......................................................................................... 37-89 Calendar ............................................................................................. 37-89 Progress Bar ...................................................................................... 38-89 Other Controls .................................................................................... 38-89

  2.4.5 Single-Document Interface vs Multiple-Document Interface ............. 38-89

  

2.5 Working With Controls ............................................................................... 40-89

  2.5.1 Working With Label ........................................................................... 40-89

  2.5.2 Working With Textbox ........................................................................ 40-89

  2.5.3 Working With Buttons ......................................................................... 41-89

  2.5.4 Working With List Box ........................................................................ 41-89

  2.5.5 Working With Combo Box .................................................................. 42-89

  

2.6 Creating and Building Menu ....................................................................... 43-89

  2.6.1 Building a Menu ................................................................................. 43-89

  2.6.2 Menu Control ...................................................................................... 44-89 Main Menu Control ............................................................................. 44-89 Disable Menu ..................................................................................... 46-89 Insert and Separator .......................................................................... 47-89

  ISMDIContainer .................................................................................. 47-89

  

2.7 Data Type .................................................................................................... 49-89

  2.7.1 Introduction to Data Type ................................................................... 49-89

  2.7.2 Vary-Able (Variable) ........................................................................... 50-89 Data Type Conversion ....................................................................... 50-89

  Numbers to String ........................................................................... 50-89 Strings to Numbers .......................................................................... 51-89

  2.7.3 Scope ................................................................................................ 51-89 Block Scope ....................................................................................... 51-89 Procedure and Module Scope ............................................................ 52-89 Lifetime ............................................................................................... 53-89 The Beginning & the End ................................................................... 53-89

  2.7.4 Readability Code ................................................................................ 53-89

  Basic ICT Concepts and PC Operation Table of Contents iv

  

2.8 Maths and String .......................................................................................... 54-89

  2.8.1 Mathematics in Microsoft Visual Basic .Net ....................................... 54-89

  2.8.3 Logic ................................................................................................ 55-89

  

2.9 Structured Programming ............................................................................. 56-89

  2.9.1 Decision ........................................................................................... 56-89 If…Then ............................................................................................. 56-89 If…Then … Else ................................................................................. 57-89 Select … Case ................................................................................... 58-89

  2.9.2 Loop .................................................................................................. 59-89 For Loop ............................................................................................. 59-89 Do Loop .............................................................................................. 60-89 While Loop ......................................................................................... 60-89

  

2.10 Break Point and Exception .......................................................................... 61-89

  2.10.1 Debugging with Break Point ............................................................... 61-89

  2.10.2 Exception Handling ............................................................................ 61-89

  

2.11 Designing Objects ........................................................................................ 62-89

  2.11.1 Encapsulation ..................................................................................... 62-89

  2.11.2 Inheritance ......................................................................................... 62-89

  2.11.3 Polymorphism .................................................................................... 62-89

  2.11.4 User-Friendly Error Message ............................................................. 67-89

  2.11.5 Icon .................................................................................................... 67-89

  

2.12 Database ...................................................................................................... 67-89

  2.12.1 ADO.NET ......................................................................................... 67-89 Connection ......................................................................................... 68-89 Command and Data Adapter ............................................................. 68-89 DataSet .............................................................................................. 69-89

  2.12.2 Using Data Form Wizard .................................................................... 69-89

  2.12.3 Down with the Wizard ........................................................................ 82-89

  

2.13 Deployment ................................................................................................ 83-89

  2.13.1 Create a Setup ................................................................................. 83-89

  

2.14 Students Assessments: Multiple Choice ..................................................... 1-28

  

2.15 Computer Laboratory Exercises ................................................................... 1-28

  Exercise #1: My First Project ........................................................................... 1-28 The Default Form ........................................................................ 2-28 Adding a Control to a Form ......................................................... 2-28 Adding a Label in the Form ......................................................... 3-28 Using Properties ......................................................................... 4-28 The Text Property of a Control.................................................... 5-28 Adding a Splash of Colour .......................................................... 6-28

  Exercise #2: Creating Variables ...................................................................... 8-28 Exercise #3: Adding a Button into a Form ....................................................... 8-28 Exercise #4: The Text Property of a Control .................................................. 10-28 Exercise #5: String Variables ......................................................................... 12-28 Exercise #6: Assigning Textbox Text to Your Variables ................................ 15-28 Exercise #7: A Calculator Project .................................................................. 16-28

  Designing the Form .................................................................. 16-28 The Code for the VB.NET Calculator ........................................ 17-28 Coding the Plus Button ............................................................. 19-28

  Exercise #8: conditional Logic: IF Statements ............................................... 21-28 Exercise #9: Select Case Statements ........................................................... 22-28 Exercise #10: Creating a Combo Box ............................................................ 24-28 Exercise #11: Conditional Operators ............................................................. 26-28 Exercise #12: A VB.NET Database Project ................................................... 27-28

  Basic ICT Concepts and PC Operations Table of Contents v

LESSON 3: DATABASE TECHNOLOGY USING MS ACCESS 2007

  

Lesson Objectives ………….. ..................................................................................... 3-0

  

3.1 Database Concepts ...................................................................................... 1-80

  What is Database? ........................................................................................ 1-80 What is a Relational Database? ....................................................................... 1-80 What is a Table? ............................................................................................. 1-80 What is a Record (Row)? ................................................................................. 1-80 What is a Field (Column)? ................................................................................ 1-80 What is Data? .................................................................................................. 2-80 Data Types .................................................................................................... 2-80

  3.1.1 Opening Access 2007 .......................................................................... 3-80

  3.1.2 Exploring the Access 2007 Window ..................................................... 3-80 The Ribbon (Toolbar) ........................................................................... 3-80 Ribbon Tabs ......................................................................................... 3-80 Groups and Dialog Box Launcher ........................................................ 3-80 Navigating – Quick Keys (Shortcut Keys) ............................................ 4-80 Navigating – Pointer Keys & Quick Keys ............................................. 4-80 Contextual Tabs ................................................................................... 4-80 Minimizing the Ribbon .......................................................................... 4-80 Quick Access Toolbar .......................................................................... 5-80 The Office Button ................................................................................. 6-80

  3.1.3 Opening a Database & Security Issues ................................................ 6-80 Opening a Database ............................................................................ 6-80 Security Warnings ................................................................................ 7-80 Setting the Default Folder Location Within Access .............................. 8-80

  

3.2 Creating a Database & Using Views ............................................................. 9-80

  3.2.1 Creating a New Database ................................................................... 9-80 Creating a New Blank Database .......................................................... 9-80 Saving a Table ................................................................................... 10-80 Adding and Renaming Fields ............................................................. 11-80

  3.2.2 Using Datasheet View ........................................................................ 11-80 Using Design View ............................................................................. 11-80 Changing the View ............................................................................. 11-80

  

3.3 Tables, Form and Queries Processing ....................................................... 12-80

  3.3.1 Table ................................................................................................ 12-80 Table Modification and Navigation ..................................................... 12-80

  Adding Fields – Design View ........................................................... 12-80 Data Type – Overview ..................................................................... 12-80 Data Type – Descriptions ................................................................ 13-80 Using the Attachment Data Type..................................................... 14-80 Converting Between Data Types ..................................................... 15-80 Adding Records to a Table .............................................................. 15-80 Closing a Database ......................................................................... 16-80

  Manipulating Tables and Records ...................................................... 17-80 Closing an Object – Table ............................................................... 17-80 Editing Data within a Record ........................................................... 17-80 Deleting Data within a Record ......................................................... 17-80 Using the Undo Command .............................................................. 18-80 Deleting a Single Record ................................................................. 18-80

  Primary Keys and Indexing ................................................................ 19-80 Defining a Primary Key .................................................................... 19-80 Indexing ........................................................................................... 20-80

  Basic ICT Concepts and PC Operation Table of Contents vi Relationships ...................................................................................... 21-80

  3.4.2 Autoformatting a Report ..................................................................... 68-80

  3.6.1 Creating a Switchboard ...................................................................... 76-80

  

3.6 Access Switchboards .................................................................................. 76-80

  3.5.2 Using the Single Step Method to Run a Macro .................................. 75-80

  3.5.1 Creating a New Macro ........................................................................ 73-80

  

3.5 Macros ......................................................................................................... 73-80

  3.4.5 Resizing Reports for Printing .............................................................. 72-80

  3.4.4 Conditional Formatting ....................................................................... 71-80

  3.4.3 Using Formulas and Expressions ....................................................... 69-80 Using Common Functions in a Report ............................................... 69-80 Using Count and Sum Calculations Within a Report .......................... 69-80 Using Sum, Min, Max and Average Calculations Within a Report ..... 70-80 Concatenating (Combining) Values Within an Expression ................. 70-80

  3.4.1 Using the Report Wizard .................................................................... 64-80

  Table Relationships ......................................................................... 21-80 Creating a One-to-Many Relationship .................................... 22-80 Modifying One-to-Many Relationship ..................................... 22-80

  

3.4 Producing Reports ...................................................................................... 64-80

  Creating an Arithmetic Calculation Within a Query ......................... 62-80 Creating a Logical (Condition Based) Expression Within a Query .. 63-80

  3.3.3 Queries ............................................................................................. 47-80 Creating a Simple Query .................................................................... 48-80 Adding Criteria in a Query .................................................................. 51-80 Running a Query ................................................................................ 52-80 Editing Criteria in a Query .................................................................. 54-80 Saving Query ..................................................................................... 55-80 Creating a Two Table Query and Sorting the Results ........................ 55-80 Using Arithmetic or Logical Expressions in a Query .......................... 62-80

  Forms Customization ......................................................................... 32-80 Linking a Form to a Table ................................................................ 32-80 Placing Controls on the Form .......................................................... 33-80 Aligning Controls on a Form ............................................................ 33-80 Setting Tab Order ............................................................................ 35-80 Placing a Bound Control on the Form ............................................. 35-80 Placing a Command Button on the Form ........................................ 37-80 Placing a Group Box on the Form ................................................... 41-80 Placing a Combo Box on the Form .................................................. 44-80 Split Forms ...................................................................................... 47-80

  Creating and Expression Control .................................................... 30-80 Creating an Arithmetic Expression Control...................................... 31-80 Creating a Logical Expression Control ............................................ 31-80

  3.3.2 Forms ................................................................................................ 25-80 Creating Forms .................................................................................. 25-80 Modifying Forms ................................................................................. 27-80 Saving a Form .................................................................................... 29-80 Deleting Records ................................................................................ 29-80 Adding Records .................................................................................. 29-80 Creating Arithmetic / Logical Expression Controls ............................. 30-80

  Creating Relationships between Tables .......................................... 23-80 Deleting Relationships ..................................................................... 24-80

  Many-to-Many Relationship ...................................................... 22-80 One-to-One Relationships ........................................................ 23-80

  3.6.2 Making a Switchboard the Default Switchboard ................................. 77-80

  Basic ICT Concepts and PC Operations Table of Contents vii

  

3.7 Printing ......................................................................................................... 77-80

  3.7.2 Setting Margins .................................................................................. 78-80

  3.7.3 Printing Forms .................................................................................... 79-80

  

3.8 Students Assessments: Multiple Choice ..................................................... 1-14

  

3.9 Computer Laboratory Exercises ................................................................... 1-14

  Exercise #1: Creating a Database ................................................................... 1-14 Using the Template .................................................................... 1-14 Using Blank Database ................................................................ 2-14

  Exercise #2: Working with Tables .................................................................... 3-14 Enter Records ............................................................................ 3-14

  Enter Data into an Autonumber Field .................................... 3-14 Enter Data into a Yes/No Field .............................................. 3-14 Add Attachment to an Attachment Field ................................ 3-14 Enter Data into a Date Field .................................................. 4-14 Add data to an OLE Object .................................................... 4-14

  Exercise #3: Creating Relationship .................................................................. 5-14 Exercise #4: Creating Query ............................................................................ 6-14

  Display All Records and All Fields .............................................. 7-14 Change from Datasheet View to Query Design View ................. 7-14 Retrieve Multiple Columns ......................................................... 8-14 Create a Query that Uses Two or More Tables ........................ 10-14 Creating a Simple Query .......................................................... 10-14

  Exercise #5: Enter Data Using a Form .......................................................... 11-14 Exercise #6: Creating Reports ....................................................................... 11-14

  Use the Report Button .............................................................. 11-14 Create Report Using the Report Wizard ................................... 12-14 Create a Title ............................................................................ 13-14 Print a Report ........................................................................... 14-14

  APPENDIX: References and Webliography ........................................................................... A-1