Probably the most important contributor concerning the theoretical basis for the digital computers that were developed in the 1940s was
The onset of the Second World War led to an increased funding for computer projects, which hastened technical progress, as governments sought to develop computers to exploit their potential strategic importance.
By 1941 the German engineer Konrad Zuse had developed a computer, the Z3, to design airplanes and missiles. Two years later the British completed a secret code-breaking computer called Colossus to
Also spurred by the war the Electronic Numerical Integrator and Computer (ENIAC), a general-purpose computer, was produced by a partnership between the U.S. government and the University of Pennsylvania (1943). Consisting of 18.000
Concepts in computer design that remained central to computer engineering for the next 40 years were developed by the Hungarian-American mathematician
Characteristic for first generation computers was the fact, that instructions were made-to-order for the specific task for which the computer was to be used. Each computer had a different
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In what follows there is a brief description of the principal biometric technologies, whose respective proponents - producers, research laboratories, think tanks - mostly tend to claim superiority over the others. A frequently used definition of "biometric" is that of a "unique, measurable characteristic or trait of a human being for automatically recognizing or verifying identity" (
All biometric technologies are made up of the same basic processes:
1. A sample of a biometric is first collected, then transformed into digital information and stored as the "biometric template" of the person in question.
2. At every new identification, a second sample is collected and its identity with the first one is examined.
3. If the two samples are identical, the persons identity is confirmed, i.e. the system knows who the person is.
This means that access to the facility or resource can be granted or denied. It also means that information about the persons behaviour and movements has been collected. The system now knows who passed a certain identification point at which time, at what distance from the previous time, and it can combine these data with others, thereby appropriating an individual's data body.
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Founded in 1992, the Internet Society is an umbrella organization of several mostly self-organized organizations dedicated to address the social, political, and technical issues, which arise as a result of the evolution and the growth of the Net. Its most important subsidiary organizations are the
Its members comprise companies, government agencies, foundations, corporations and individuals. The Internet Society is governed by elected trustees.
Harold. D. Lasswell (* 1902) studied at the London School of Economics. He then became a professor of social sciences at different Universities, like the University of Chicago, Columbia University, and Yale University. He also was a consultant for several governments. One of Lasswell's many famous works was Propaganda Technique in World War. In this he defines propaganda. He also discussed major objectives of propaganda, like to mobilize hatred against the enemy, to preserve the friendship of allies, to procure the co-operation of neutrals and to demoralize the enemy.