Alan Turing, Father of the Modern Computer

Part III

The Design of the ACE: Complete Text of Turing's 'Proposed Electronic Calculator'

DESCRIPTIVE ACCOUNT

1. Introductory
2. Composition of the Calculator
3. Storages
4. Arithmetical Considerations
5. Fundamental Circuit Elements
6. Outline of Logical Control
7. External Organs
8. Scope of the Machine
9. Checking
10. Time-table, Cost, Nature of Work, Etc.

TECHNICAL PROPOSALS

11. Details of Logical Control
12. Detailed Description of the Arithmetic Part (CA)
13. Examples of Instruction Tables
14. The Design of Delay Lines
15. The Design of Valve Elements
16. Alternative Forms of Storage

TURING'S ORIGINAL FIGURES