Computing - AS Level

Visual Basic

To install Visual Basic 2010 on your computer click here, click "Save", open the file and click "Yes".
Follow the instructions and then register for free within 30 days.

Useful Visual Basic Settings

Programming Guidelines

Sequence construct:

1.1 Introducing Visual Basic (Introducing Visual Basic & =, Visible, Syntax errors)

2.1 Working with Controls (Text and List Boxes)

2.2 Working with controls (Group Boxes, Radio buttons, Checked List Boxes)

2.3 Working with controls (VB Functions, scroll bars, Combo boxes)

3.1 Working with Data (Declaring Variables, Overflow, Logic errors, Testing, Debugging)

Designing Screens / Report Layouts

• Designing a New System (igcseict.info)
  • Designing Screen / Report Layout Questions
    • Designing Screen / Report Layout Mark Scheme

Translators

• Translators Presentation
  • Translators Quiz

Operators, Reserved Words & Variables

• Operators, Reserved Words & Variables Quiz

3.2 Working with Data (Lifetime, Scope of variables, MsgBox, Incrementing Variables & =)

3.3 Working with Data (Round & Random functions, Constants, Complex Calculations, "Clearing" controls, MOD, DIV)

Operators, Local & Global and Writing Understandable Code

• Operators, Local & Global and Writing Understandable Code Quiz

Data Types & File Size Calculations

• Data Types & File Size Calculations Presentation
  • Data Types & File Size Calculations Quiz

Selection constructs:

4.1 Selection (If selection construct, Concatenation, Arithmetic errors)

4.2 Selection (Logical Operators)

4.3 Selection (Nested If structures, Complex Multiple Conditions)

4.4 Selection (Select Case …. End Select Structures)

Selection Quiz

Iteration/Iterative Loop constructs:

5.1 Iteration Loops (For … To … Next, Validation (IsNumeric))

5.2 Iteration Loops (The Step Parameter, Nested For … To … Next iteration loops)

5.3 Iteration Loops (Do … Loop Until (condition is true))

5.4 Iteration Loops (Do While (condition is true) … Loop)

Iteration Loops (White box Testing / Dry Runs) Quiz

Iteration Loops (Writing Programs) Quiz

String Handling:

6.1 Strings (ASCII & Processing Strings - Char (CharW), ASCII (Asc), Locate (Instr), Mid, Length (Len))

6.2 Strings (Left, Right and Trim)

Data Representation

• Data Representation Presentation
• Binary - Decimal Convertor
• JK's Binary - Decimal Convertor
  • Data Representation Quiz

String Handling (White Box Testing / Dry Runs) Quiz

String Handling (Writing Programs) Quiz

Arrays:

7 Arrays (Defining, Declaring & Processing, Input Boxes, 2D Arrays)

Arrays Presentation

• Arrays (Programming) Quiz
• Arrays (Dry Runs / White Box Testing) Quiz

Records:

8 Records

Files:

9.1 Files (Text / Serial / Sequential Files)

9.2 Files (Random Access / Direct Access Files)

Files Quiz

Procedures (& Functions):

Top Down Approach and Algorithms Presentation

• Top Down Approach and Algorithms Quiz

10.1 Procedures (Sub Procedures)

10.2 Procedures (Passing Parameters to sub procedures)

10.3 Procedures (Function Procedures & Recursive Functions)

• Top Down Approach and Procedures Presentation
• Procedures & Functions Quiz 1
• Procedures & Functions Quiz 2