Software is a program that enables a computer to perform a specific task, as opposed to the physical components of the system (hardware). This includes application software such as a word processor, which enables a user to perform a task, and system software such as an operating system, which enables other software to run properly, by interfacing with hardware and with other software. Software also acts as an interface between the hardware like processor(s) and user(s).
(Pictured left: An example of simulation software (CircuitLogix))
Simulation software is based on the process of modeling a real phenomenon with a set of mathematical formulas. It is, essentially, a program that allows the user to observe an operation through simulation without actually performing that operation. Simulation software is used widely to design equipment so that the final product will be as close to design specs as possible without expensive in process modification. Simulation software with real-time response is often used in gaming, but it also has important industrial applications. When the penalty for improper operation is costly, such as airplane pilots, nuclear power plant operators, or chemical plant operators, a mock up of the actual control panel is connected to a real-time simulation of the physical response, giving valuable training experience without fear of a disastrous outcome.
In addition to imitating processes to see how they behave under different conditions, simulations are also used to test new theories. After creating a theory of causal relationships, the theorist can codify the relationships in the form of a computer program. If the program then behaves in the same way as the real process, there is a good chance that the proposed relationships are correct.
Gates is a leading philanthropist, and has stated that he intends to give away the majority of his vast wealth. He and his wife set up the Bill & Melinda Gates Foundation (B&MGF) in 1994 with the aim of improving health and combating poverty in developing regions across the world. He has attracted considerable acclaim for the Foundation's work, including its work in combating HIV infection in Africa.
Gates finally quit day-to-day responsibility at Microsoft in June 2008 in favour of running the B&MGF after a long period of moving away from executive control, originally as CEO, then as 'Chief Software Architect'. Gates remains chairman of Microsoft.
This existing base of FLOSS software represents a lower bound of about 131,000 real person-years of effort that has been devoted exclusively by programmers. As this is mostly by individuals not directly paid for development, it represents a significant gap in national accounts of productivity. Annualised and adjusted for growth this represents at least 800 million euros in voluntary contribution from programmers alone each year, of which nearly half are based in Europe.
Led Digital Marketing Efforts of Top 500 e-Retailers.
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Taught Advanced Internet Marketing Strategies at the graduate level.
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