Principles of Programming

• Section 1: The Nature of Data Processing - 800 K bytes

  
  	1.1 Introduction .................................. 1 
  	1.2	Basic Data Processing Ideas .....................	2 
  	1.3	An Example of Sequential File Processin...........	6
  	1.4	An Example of Random Access File Processing...... 20 
  

• Section 2: Introduction to Computing Equipment - 2.4 Megabytes

  
  	2.1	The IBM Punched Card .........................	1
  	2.2	IBM 1401 Data Processing System Components......	5
  	2.3	The Card Sorter and Collator..................... 15
  	2.4	System Components Used in Sequential File Processing 18
  	2.5	Representation of Information in a Computer....... 20 
  

• Section 3: Coding Fundamentals - 1.2 Megabytes

  
  	3.1	Computer Storage and Its Addressing. . . . . . . . . . . . . .	1 
  	3.2 Instructions ................................... 5 
  	3.3	Storage of Instructions .......................... 13
  	3.4	Arithmetic and Control Registers ................. 15 
  	3.5 Addition and Subtraction ....................... 20 
  

• Section 4: Symbolic Programming - 1.3 Megabytes

  
  	4.1	Fundamentals of Symbolic Programming...........	1 
  	4.2	Further Information on the SPS Language and 
  	Processor................................... 11
  	4.3	Case Study: Payroll ............................ 14 
  	Exercises ..................................... 24 
  

• Section 5: Branching - 1.0 Megabytes

  
  	5.1 Fundamentals of Branching .....................	1 
  	5.2 Further Branching Operations ................... 8 
  	5.3	Case Study: Parts Explosion and Summary......... 15 
  	Exercises ..................................... 23
  

• Section 6: Address Modification and Loops - 1.2 Megabytes

  
  	6.1	Computations on Addresses ......................	1
  	6.2	Program Switches ..............................	5
  	6.3	Program Loops........................,.......	7
  	6.4 Address Modification Loops .....................	9 
  	6.5 Indexing ..................................... 19 
  	Exercises ..................................... 25 
  

• Section 7: Miscellaneous Operations - 1.3 Megabytes

  
  	7.1	Editing and Format Design ......................	1
  	7.2	Printer Carriage Control ........................	6 
  	7.3	Input and Output Timing , . . , , . . . . . , ............ 10 
  	7.4 Buffering ..................................... 16
  	7.5	Program Timing......,........................	18 
  	7.6 Subroutines and Utility Programs ................ 20 
  	Exercises ..................................... 23 
  

• Section 8: Magnetic Tape Operations - 1.6 Megabytes

  
  	8.1	Physical Characteristics of Magnetic Tapes.........	1 
  	8.2	Magnetic Tape Instructions ......................	6 
  	8.3 Tape Programming with Autocoder and IOCS...... 14
  	8.4	Inventory Control Case Study_..................... 23 
  	Exercises ..................................... 31 
  

• Section 9: Random Access File Storage - 1.2 Megabytes

  
  	9.1 Basic Concepts ................................	1
  	9.2	The IBM 1405 and 1301 Disk Storage Units.........	2
  	9.3	Disk Storage Programming for the IBM 1405........	5
  	9.4	Disk Organization and Addressing . . . . , . . , . . . . .... 15
  	9.5	Disk Storage Utility Routines .................... 18 
  	9.6 Case Study: Wholesale Grocery .................. 20 
  	Exercises ..................................... 25 
  

• Section 10: Planning and Installing a Computer Application - 0.9 Megabytes

  
  	10.1	Problem Statement .............................	1
  	10.2	Problem Analysis ..............................	3
  	10.3	Block Diagram and Program for Inventory Control
  	Processing ..................................	7 
  	10.4 Program Checkout ............................. 13 
  	10.5	Going into Operation ........................... 16 
  	10.6 Documentation ................................ 17 
  	10.7 Summary .................................... 18
  

• Section 11: Additional Programming Methods - 0.9 Megabytes

  
  	11.1 Introduction .................................. 1 
  	11.2 Decision Tables ............................... 1 
  	11.3 The FORTRAN Coding System ..................	4 
  	11.4	The Report Program Generator...................	7
  	11.5	The COBOL Programming System ................ 12
  	11.6	Fundamentals of COBOL Programming............ 13
  

• Section 12: Contents, Reference Data, and Index - 2.1 Megabytes

  
  	Contents
  	Contents of Sections 1 to 11...............................	1 
  	IBM 1401 Instructions with Symbolic Programming
  	System Mnemonics ..................................	3
  	Autocoder Operation Codes ..............................	7
  	Card and Computer Character Codes........................	11
  	Instruction Timing Data .................................	12 
  	Machine Configuration Assumed in Text....................	13 
  	Glossary .............................................. 14 
  	Bibliography .......................................... 22 
  	Answers to Selected Exercises .............................	27 
  	Index ................................................ 54