Geschichte Des Maschinellen Rechnens Bonn Wise 2016 17

Calculate the computational progress from early mechanical computers to modern systems (Bonn WISE 2016-17 focus)

Introduction to Mechanical Computing History

The history of mechanical computing represents one of humanity’s most significant technological evolutions. The Bonn WISE 2016-17 curriculum particularly emphasized the transition from purely mechanical devices to early electronic computers, highlighting key milestones that shaped modern computing.

Early Mechanical Calculating Devices (1600-1900)

The foundation of mechanical computing was laid in the 17th century with inventions that could perform basic arithmetic operations:

• 1623: Wilhelm Schickard’s Calculating Clock – The first known mechanical calculator that could add and subtract up to 6 digits, with a revolutionary carry mechanism
• 1642: Blaise Pascal’s Pascaline – Improved mechanical design with better reliability for addition and subtraction
• 1673: Gottfried Wilhelm Leibniz’s Stepped Reckoner – Introduced multiplication and division capabilities through a sophisticated gear system
• 1820: Charles Xavier Thomas’s Arithmometer – First commercially successful mechanical calculator, capable of all four basic operations

Technical Specifications Comparison

Device	Year	Operations	Digits	Mechanism	Operations/Minute
Schickard’s Clock	1623	+, –	6	Gear-based	~5
Pascaline	1642	+, –	8	Wheel-based	~8
Leibniz’s Reckoner	1673	+, -, ×, ÷	12	Stepped drum	~3 (multiplication)
Arithmometer	1820	+, -, ×, ÷	20	Leibniz wheel	~20 (multiplication)

The Electromechanical Era (1930s-1945)

The transition to electromechanical computing marked a significant performance leap. The Bonn WISE 2016-17 materials particularly highlighted:

1. Zuse’s Z1-Z3 Series (1936-1941): Konrad Zuse’s machines in Berlin represented the first functional program-controlled computers. The Z3 (1941) was the first fully operational electromechanical computer, using 2,600 relays and performing floating-point arithmetic.
2. Harvard Mark I (1944): Developed by Howard Aiken at Harvard with IBM, this 5-ton machine could perform three additions per second and was used for naval ballistic calculations.
3. Colossus (1943): British code-breaking computer at Bletchley Park that used 1,500 vacuum tubes to decrypt German messages, demonstrating the power of electronic components.

Performance Metrics Comparison

Machine	Year	Technology	Additions/sec	Multiplications/sec	Memory (bits)
Zuse Z3	1941	Relays	5-10	3-4	64
Harvard Mark I	1944	Relays	3	0.3	72 (23 decimal)
Colossus Mark I	1943	Vacuum tubes	N/A	N/A	5,000 (paper tape)
ENIAC	1945	Vacuum tubes	5,000	357	20 (accumulators)

The Electronic Revolution (1945-1970)

The post-war period saw exponential growth in computing power with several key developments:

First Generation: Vacuum Tube Computers (1945-1955)

• ENIAC (1945): First general-purpose electronic computer with 17,468 vacuum tubes, performing 5,000 additions per second
• EDVAC (1949): Introduced stored-program concept with mercury delay line memory
• UNIVAC I (1951): First commercial computer in the U.S., used for census calculations

Second Generation: Transistor Computers (1955-1965)

• TRADIC (1955): First transistorized computer, reducing power consumption by 90% compared to vacuum tube machines
• IBM 7090 (1959): Scientific computer with 50,000 transistors, performing 229,000 operations per second
• PDP-1 (1960): First commercial computer with a monitor and keyboard, costing $120,000

Third Generation: Integrated Circuit Computers (1965-1971)

• IBM System/360 (1964): First computer family with compatible software across different models
• CDC 6600 (1964): World’s fastest computer until 1969 with 3 megaFLOPS performance
• PDP-8 (1965): First successful minicomputer, selling over 50,000 units

Modern Computing and the Bonn WISE 2016-17 Perspective

The 2016-17 winter semester at Bonn University examined how modern computing builds upon these historical foundations:

1. Microprocessor Revolution (1971): Intel’s 4004 microprocessor with 2,300 transistors on a single chip marked the beginning of personal computing
2. Moore’s Law (1965): Gordon Moore’s observation that transistor count doubles approximately every two years has held remarkably accurate
3. Parallel Computing: Modern supercomputers like Summit (2018) achieve 200 petaFLOPS using 9,216 IBM Power9 CPUs and 27,648 NVIDIA Volta GPUs
4. Quantum Computing: Emerging technology that may revolutionize computation by leveraging quantum bits (qubits)

Computational Power Growth (1945-2020)

The Bonn WISE materials presented this dramatic progression:

• 1945: ENIAC – 0.0005 MIPS, 17,468 vacuum tubes, 150 kW power
• 1965: CDC 6600 – 3 MIPS, 400,000 transistors, 150 kW power
• 1985: Cray-2 – 1,900 MIPS, 200,000 gates, 195 kW power
• 2005: BlueGene/L – 367,000 MIPS (367 TeraFLOPS), 5.6 million processors
• 2020: Fugaku – 442,010 TeraFLOPS, 7.6 million cores, 28 MW power

Key Academic Contributions from Bonn University

The WISE 2016-17 semester highlighted several important contributions from Bonn’s computer science department:

• Algorithmic Research: Development of efficient algorithms for historical computation simulation
• Architecture Studies: Comparative analysis of von Neumann vs. Harvard architectures in early computers
• Preservation Efforts: Digital reconstruction of historical computing devices using modern simulation techniques
• Educational Innovations: Interactive learning modules that allow students to “operate” virtual historical computers

Authoritative Resources for Further Study

For those seeking to deepen their understanding of computing history, these authoritative sources are recommended:

1. Computer History Museum – Comprehensive collection of historical computing artifacts and documentation
2. NIST Computing History – National Institute of Standards and Technology resources on computing standards evolution
3. Stanford CS Historical Archives – Digital archives of early computing research from Stanford University
4. Brookhaven National Lab Computing History – Documentation of scientific computing development

Conclusion: The Continuing Evolution of Computing

The history of mechanical and electronic computing demonstrates an extraordinary trajectory of human ingenuity. From Schickard’s 17th-century calculating clock to modern quantum computers, each generation of technology has built upon its predecessors while introducing revolutionary new concepts. The Bonn WISE 2016-17 curriculum effectively captured this progression, providing students with both historical context and technical insights into how past innovations continue to influence contemporary computing architectures and algorithms.

As we look to the future, understanding this historical foundation becomes increasingly important. The challenges faced by early computing pioneers—limited memory, slow processing speeds, reliability issues—mirror many of the constraints we still grapple with today, albeit at vastly different scales. The study of computing history thus remains not just an academic exercise, but a vital perspective for solving modern technological challenges.