Day One

Introduction To Application Programming

• APPLICATION
• The Application Programmer’s Job
• Platforms
• Program functions
• Program design
• The Output – Describing What We Want
• The Input – Describing What We’ve Got
• Data
• Data organizing
• Pseudo-descriptions
• Exercise:  Describing data

Program Design

• Computer Systems Organization
• Buffers and Work Areas
• Pseudo-Code
• Goto
• Loops
• Conditions
• The End of File Condition
• A Sample Program
• Exercise:  Designing a Program

Testing

• Pseudo-Testing – Playing Computer
• Padding / Filler
• Initial Values
• Coding – Converting Your Design to Code
• Sample Code
• COBOL
• PL/I
• C
• Assembler
• Exercise”  Pseudo-testing and Finalizing the Design

The Next Steps

• TSO
• ISPF
• Keying in Your Code
• Making Your Code Executable
• Running Programs
• Testing Your Program
• Error Handling
• Cutting Over
• Mainentance

Day Two

Behind The Scenes – Hardware

• Modern IBM Mainframe Computer System
• A CPU and Memory
• Binary – The Language of Computers
• Exercise:  Number Conversions

• Computer Memory
• Data Representation
• Hexadecimal
• Exercise:  Number Conversions

• Data Formats
• Memory Addressing

Behind The Scenes – Data

• Tape Layout
• A Sequential Data Set
• DASD Concepts
• A Partitioned Data Set
• A Catalog

Behind The Scenes – Software

• Virtual Storage Concepts
• z/OS Architecture
• Batch Application Environments
• Online Application Environments

What’s Next?