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EET 205
Experiments in Digital Electronics
Laboratory Manual
Lab #3
Arithmetic Operations and Circuits:
Half Adder and Full Adder
Submitted by: Mike Coover
Lab Team: Richard S.
1
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In order to add any two binary numbers, one should know the basic rules to add
tw obits.
Each time two bits are added, one will get two numbers; the sum and the carry.
Rules for adding two binary bits are as follows:
ADDITION
SUM
CARRY
0 + 0
0
0
0 + 1
1
0
1 + 0
1
0
1 + 1
0
1
Table 311
When adding numbers longer than just one bit, one needs to add them column by
column starting from the Least Significant Bit (LSB) and move towards the Most
Significant Bit (MSB).
If a carry of one is present in a column, then it is moved to the
next column.
Upon completion of this experiment one should be:
•
Familiar with binary addition of numbers
•
Able to find the carry and sum of two numbers when added using half
adder and full adder methods
•
Familiar with combinational adders to add higher bit numbers using
binary addition.
Materials:
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This note was uploaded on 04/08/2008 for the course EET 205 taught by Professor Staff during the Spring '08 term at Drexel.
 Spring '08
 Staff

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