Digital circuits
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This document discusses basic digital circuits and their components. It explains that a simple circuit consists of voltage, resistance, and amperage. Logic in circuits uses a binary system of 1s and 0s. Gates are used to change inputs into outputs, like the buttons and display of a microwave. The basic gates are AND, OR, and NOT. The AND gate outputs 1 if both inputs are 1, while the OR gate outputs 1 if either input is 1. Combining these gates allows building circuits to interpret inputs and produce desired outputs.
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The document discusses the history and types of logic gates. It describes logic gates such as AND, OR, NOT, NAND, NOR, XOR and XNOR gates and provides their truth tables. Examples of applications discussed include a car door warning system using a NAND gate, a fire alarm system using an OR gate, and a house alarm system using AND and OR gates to protect doors and windows.Recently uploaded (20)
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Digital circuits
- 1. DIGITAL CIRCUITSBy: Matt Vennekotter
- 2. Simple CircuitA simple Circuit consists of three main components:Voltage = V
- 3. Resistance = R
- 4. Amperage = IVoltage is usually a battery.Resistance can be a light, motor, or a heater.Amperage is the pressure of the electrons travelling through the wire.The basic relation between these three parts is V=IR
- 5. LogicEverything in life can be defined as yes or no, on or off, yin and yang, etc.In logic the binary system is used which is usually represented as 1 meaning on and 0 meaning off.
- 6. GatesGates are used to change any amount of input its given into one output.Using gates help organize inputs to get the output we want.Like on any electronic, there are several inputs and several outputs.On a microwave the buttons are inputs while the microwave turning on is an output or the digits on the clock are outputs.
- 7. Microwave SampleEvery single button on this is an input.The output includes every little dash on the display, the turning of the microwave table, and of course the warming up of your food.
- 8. Simple GatesThe simple gates include the OR, AND, and NOT gate.On the AND and OR gates theres two inputs and one output.This means theres four possible combinations of inputs.The NOT gate has only one input so theres two possibilities of inputs.
- 9. AND GateThe AND gate simply means that when your inputs are both ones, then the output is a 1.
- 10. OR GateThe OR gate gets a 1 output as long as one of the inputs is a one.
- 11. NOT GateThe Basic function of the not gate is to invert the number its given.
- 12. SummaryThrough a combination of these gates and several other types of complex gates we can build machines that are able to interpret input and give the output we were looking for.First step in making a circuit is figuring out your input and your output. Through the use of Boolean Algebra and other methods, circuits can be made to run our everyday life.