Year Model Transistor count 1971 Intel 4004 2300 1972 Intel 8008 3500 1974 Intel 8080 4500 1978 Intel 8086 29000 1982 Intel 286 134000 1985 Intel 386 275000 1989 Intel 486 1.2 million 1993 Intel Pentium 3.1 million 1995 Intel Pentium Pro 5.5 million 1997 Intel Pentium II 7.5 million 1998 Intel Celeron 7.5 million 1999 Intel Pentium III 9.5 million 2000 Intel Pentium 4 42 million 2001 Intel Xeon 42 million 2003 Intel Pentium M 55 million 2006 Intel
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televisions‚ and computers are just a few of the thousands of electronic devices that have a microchip at the heart of its operation. Over the years‚ three major breakthroughs occurred to accelerate the birth of the microprocessor: the vacuum tube‚ the transistor‚ and the integrated circuit. The Vacuum Tube American physicist Lee De Forest invented the vacuum tube in 1906. However‚ one must look back to 1879 when Thomas Edison first revealed the incandescent electric light bulb to understand how De Forest
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Unit 1 Assignment 1: Integrated Circuit Technology Year Transistor Count Processor Model 1971 2‚300 Intel 4004 1972 3‚500 Intel 8008 1974 4‚500 Intel 8080 1976 6‚500 Intel 8085 1978 29‚000 Intel 8086 1979 29‚000 Intel 8088 1982 55‚000 Intel 80186 1982 134‚000 Intel 80286 1985 275‚000 Intel 80386 1989 1‚180‚235 Intel 80486 1993 3‚100‚000 Pentium 1995 5‚500‚000 Pentium Pro 1997 7‚500‚000 Pentium II 1999 9‚500‚000 Pentium III 2000 42‚000‚000 Pentium
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International Journal of Smart Home Vol. 7‚ No. 4‚ July‚ 2013 Design of a Microcontroller based Fan Motor Controller for Smart Home Environment Chee-Hoe Pang‚ Jer-Vui Lee‚ Yea-Dat Chuah‚ Yong-Chai Tan and N. Debnach Faculty of Engineering and Science‚ Universiti Tunku Abdul Rahman‚ Kuala Lumpur‚ Malaysia. leejv@utar.edu.my Abstract Single phase induction motors are the most widely used motors for home appliances. The AC induction motor has a simple rugged design. Other advantages include
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Generation did not advance as much as most people hoped‚ but eventually‚ the "Third Generation" was brought about by the invention of integrated circuits in 1958. Integrated circuits replaced transistors‚ and many computer languages came out in this time. Many more computer companies were born during this time‚ and eventually this led to personal computers for everyday use. Microprocessors introduced the beginning of the "Fourth Generation" and a time where computers were in almost every house.
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Karthikeyan A. Faculty‚ Electronics Engineering VIT University. As an assignment for IInd semester for the session 2010-11. Problem Statement: To design and implement a Water Level Indicator‚ using Electronic devices like LEDs‚ ICs‚ Transistors‚ etc. The reason behind taking this problem into consideration was there occurs a huge wastage of water due to overflow in overhead tanks. Approach to Problem Solution: Our main requirements for the indicator are as follows: o Low Power
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ABSTRACT Capacitance measurement is of immense importance in the field of electronics. An instrument that measures capacitance to accuracy better than 0.5% has been improvised and rendered auto-ranging by means of an 89c51 circuit. The principle is that of a “direct” or fundamental principle of the time constant of the component. For e.g.‚ the time taken to charge a capacitor to 50% of the applied voltage is given by 0.5 V = V (1- exp (-t/τ) ) The value of t is determined as 0.69314718τ. Knowing
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on. First it converts a DC voltage to an AC voltage then it boosts up the AC voltage to mains voltage level by using a transformer. In this laboratory experiment‚ an CMOS IC were used to function as a 50 Hz oscillator‚ along with the necessary transistors‚ resistors‚ capacitors and a transformer to form a 230V AC source from a 12V DC. The design process was taken through the several steps of calculations‚ computer simulation and verification. The circuit design was simulated by the Multisim software
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FPGAs ABSTRACT This report provides a survey of architectures of commercially available highcapacity field-programmable logic devices (FPLDs) ex. FPGAs and also the applications of FPGAs. We first define the relevant terminology in the field and then describe the recent evolution of FPLDs. The three main categories of FPLDs are delineated: Simple PLDs (SPLDs)‚ Complex PLDs (CPLDs) and Field-Programmable Gate Arrays (FPGAs). The details of the architectures of the most important commercially available
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The item that the company selling are can be classified in to 4: 1. Active components consist of a. transistor b. integrated circuit c. diode 2. Passive component a. resistor b. capacitor c. switch 3. Kits a. transistor radio kit b. AM/FM kit c. amplifier 4. Others a. speaker electronic tools c. accessories Business process Selling Active Components When a customer purchased transistor its either he can present busted parts or give the part number of the item‚ if the item is available the
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