Electronic Circuits in Computers
The development of electronics has a direct impact in computers; the first computing devices were mechanical with limitations in size and processing speed. With the invention of the transistor in 1947 and the integrated circuit in 1958 (Lee 2007), a new approach for computing devices was possible using the binary system for instructions and data in digital computers. Boolean logic is implemented in electronic circuits by using transistors on-off states as true-false (one-zero) logic.
Since the invention of the transistor (electronic switch in digital electronics), research has been focused on the integration of these building blocks into small chips; integration has reduced the size and cost of computers and other electronic devices (Branscomb 1982). The actual trend in microelectronics is known as Moore´s law: the number of transistors in an integrated circuit doubles every 18 months....
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