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LOGIC CIRCUIT
I.
Introduction
We are now in the world of
modernization. In fact, almost everything that surrounds us is attached to
technology. We can’t even imagine our whole day without a glimpse of our
facebook and visiting our favorite social networking sites. Computers are now
part of our day to day living. Before the words of our messages will reflect into
the monitor, the computer will first interpret them. If you will try to open
the computer, you will seevery complex connections of wires and other
electrical devices that are called logic circuits.
Logic circuits are considered to be
the foundation of this world of computers and logic gates are the building
blocks of these.
II.
Definition
When we talk about digital logic
circuit, this is a circuit that only handles two information or binary signals
which are one (1) or zero (0). Example
of a digital logic circuit is a computer which is constructed with many types
of basic circuits called gates.
Logic Gate is the basic type of digital electronic circuit.
III.
Types of
Logic Gates
1.
AND gate. This is a type of electronic circuit
that will yield a high output or 1 if all inputs are also high.
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2.
OR gate. This is a
type of electronic circuit that will yield a high output if there is at least
one high input signal.
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3. NOT gate. This is a type of electronic circuit that will have an output that is the inverted version of the input.
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4.
NAND gate. This is a gate that is NOT-AND gate.
The outputs will be high if there is at least one input that is low.
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5.
NOR gate. This is a combination of a NOT gate
and an OR gate. The output signal will be low if any of the two inputs is high.
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6. EXOR gate. This is known as Exclusive-OR gate which will yield a high output if there is only one high input.
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7. EXNOR gate. This is what we call Exclusive-NOR gate which is actually the opposite of the EXOR. It will give a low output if there is only one high input.
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IV. Network Logic Gates
V. References
Retrieved on October 31, 2015 at http://www.ee.surrey.ac.uk/Projects/Labview/gatesfunc/#introduction
Retrieved on October 31, 2015 at http://www.cs.umd.edu/class/sum2003/cmsc311/Notes/Comb/gates.html
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