Moores Law - Work that Brought a Great Impact to Technology

Moores Law - Work that Brought a Great Impact to Technology

The term "Moore's Law" was coined in the 1970s by the Caltech Professor, VLSI pioneer and entrepreneur Carver Mead. Moore's law describes the trend in the history of computing hardware.

The number of transistors that can be placed inexpensively on an integrated circuit doubles approximately every two years. This trend has continued for more than half a century and is expected to continue until 2015 or 2020 or later. The complexity for minimum component costs has increased a rate of thoroughly a factor of two per year. Over a longer term, the rate of increase is a bit more uncertain although there is no reason to believe it will not remain constant for at least 10 years. This means, since the year 1975, the number of components per integrated circuit for minimum cost will be 65,000.

The capabilities of many digital electronic devices are strongly linked to Moore's law: processing speed, memory capacity, sensors and even the number as well as the size of pixels in digital cameras. All of these are improving exponential rates as well. The exponential improvement has enhanced the impact of digital electronics in every segment of the world's economy. Moores law describes a driving force of technological and social change in the late 20th and 21st centuries.

The law is named after Intel co-founder Gordon E. Moore, who described the trend in his 1965 paper. The paper noted that the number of components in integrated circuits doubles every year with the invention of the integrated circuit in 1958. Until 1965, he predicted that the trend would continue. His prediction is proven to be accurate in part because the law is now used in the semi conductor industry to guide long-term planning and to set targets for research as well as development.

Predictions of similar increases in computer power had existed years prior. Alan Turing in a 1950 paper had predicted that by the turn of the millennium, computers would have a billion words of memory.

Moore may have heard Douglas Engelbert, a co-inventor of today's mechanical computer mouse, discuss the projected downscaling of integrated circuit size in a 1960 lecture. Moore's original statement mentioning that transistor counts had doubled every year can be found in his publication "Cramming more components onto integrated circuits", Electronics Magazine 19 April 1965 issue.

Moore slightly altered the formulation of the law over time, in a restored bolstering the perceived accuracy of his law. Most notably, in 1975, Moore is adamant that he wasn't able to predict a doubling "every 18th months'. However, David house, an Intel colleague had factored in the increasing performance of transistors to conclude that integrated circuits would double performance in every 18 months. In April 2005, Intel offered US$10,000 to purchase a copy of the original Electronics Magazine issue in which Moore's article appeared.

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