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Wikitronics - Digital Electronics
Digital electronics are those electronics systems that use a digital signal an analog signal.
http://electronics.wikia.com/wiki/Digital_electronics
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How to Build an 8-Bit Computer
Building an 8-bit TTL computer sounds like a daunting and complicated task, or at least it did to me when I started out on my journey to understand the architecture of a basic CPU.
http://www.instructables.com/id/How-to-Build-an-8-Bit-Computer/
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Digital Electronics Projects: How to Use Switches to Build Gates
To give you an idea of how basic gates work, these electronics projects show you how to assemble an AND gate, an OR gate, and an XOR gate using simple DPDT knife switches.
http://www.dummies.com/how-to/content/digital-electronics-projects-how-to-use-switches-t.html
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Structure of Semiconductors
Information on the structure of semiconductors including materials and diagrams.
http://www.brighthubengineering.com/diy-electronics-devices/41583-crystal-structure-of-semiconductors/
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Digital Electronics - Basic Truth Tables
Logic gate diagrams and information for digital electronics.
http://www.technologystudent.com/elec1/dig3.htm
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Digital Electronics - Gates, Decoders, Multiplexers
Theory of gates, decoders, multiplexers, applets. Includes descriptions and diagrams.
http://www.chem.uoa.gr/applets/appletgates/appl_gates2.html
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Relay - Wikipedia, the free encyclopedia
A relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays.
https://en.wikipedia.org/wiki/Relay
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Electronic design automation - Wikipedia, the free encyclopedia
Electronic design automation is a category of software tools for designing electronic systems such as printed circuit boards and integrated circuits.
https://en.wikipedia.org/wiki/Electronic_design_automation
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Structure of digital systems Help for Digital
Homework Assignments questions on Engineering for Digital Electronics - Structure of digital systems are listed below
http://www.transtutors.com/homework-help/electrical-engineering/structure-digital-systems/
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Combinational logic - Wikipedia, the free encyclopedia
In digital circuit theory, combinational logic is a type of digital logic which is implemented by Boolean circuits, where the output is a pure function of the present input only.
https://en.wikipedia.org/wiki/Combinational_logic
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What is logic gate - Definition
What is a logic gate? This definition explains what a logic gate is and explains the seven basic logic gates: AND, OR, XOR, NOT, NAND, NOR, and XNOR.
http://whatis.techtarget.com/definition/logic-gate-AND-OR-XOR-NOT-NAND-NOR-and-XNOR
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Logic Gate - Wikipedia, the free encyclopedia
In electronics, a logic gate is an idealized or physical device implementing a Boolean function; that is, it performs a logical operation on one or more logical inputs, and produces a single logical output.
https://en.wikipedia.org/wiki/Logic_gate
