ANK LABS
HALF
ADDER
Hello
friends today we are going to learn what is a half adder? & how they work,
To make my post Even more interesting I used simulation software such as
LABVIEW, PSpice, NI Multisim etc. These simulation software provides a
realistic environment and it make learning Even more interesting.
HALF ADDER
v A Half
Adder adds two one bit binary number.
v A binary
number is understood by machines. And they have only two symbol 0 (zero) &
1 (one).
v Have a look
at this table which shows the binary equivalent of decimal number. (4 bit
binary number).
v To perform
addition using half adder, use 2 one bit binary numbers.
A & B
A & B
v Before
performing our addition program let’s do it manually.
binary addition is similar to that of normal decimal addition
when A and B are zero we get zero, when A is zero and B is one the output is 1, but in case when both A and B is 1 the output is 1 0 but for decimal addition it is 2 .
binary addition is similar to that of normal decimal addition
when A and B are zero we get zero, when A is zero and B is one the output is 1, but in case when both A and B is 1 the output is 1 0 but for decimal addition it is 2 .
A 0 0
1
B 0
1 1 2
0
1 1
0 1 0
LabView – for labview simulation I used one AND gate, one EX-OR
gate along with controls and indicator.
In front pannel window i used AND & EX-OR gate to design a half adder circuit.
PSpice – for PSpice I used AND and EX-OR gate from components
library and connected with there respective devices.
NI Multisim – for Multisim I used
AND and EX-OR gate from components library and connected to respective devices.
Additionally I connected a CRO
which allowed me to visualize the waveform, These is a HIGH and LOW signal which determine ON and OFF
condition of gates.
MATLAB – In MATLAB I used
Simulink model and AND & XOR gate to perform our logical operation.
You can download simulation files you can also make use of truth table to
have a better understanding. I have also added a power point presentation which
you can download.
LabView Half adder file
LabView Half adder simulation file
PSpice Half adder file
NI Multisim Half adder file
If you still have problem in understanding any of this concept you can
visit my YouTube channel “ANK labs”
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