Describe five bit even parity checker.
Ans:
Five bit even parity checker:
EX-OR gates are utilized for checking the parity as they generate output 1, while the input has an odd number of 1's. Thus an even parity input to an EX-OR gate generates a low output.
Table:
|
W
|
X
|
Y
|
Z
|
P
|
C
|
|
0
|
0
|
0
|
0
|
0
|
1
|
|
0
|
0
|
0
|
0
|
1
|
1
|
|
0
|
0
|
0
|
1
|
0
|
1
|
|
0
|
0
|
0
|
1
|
1
|
0
|
|
0
|
0
|
1
|
0
|
0
|
1
|
|
0
|
0
|
1
|
0
|
1
|
0
|
|
0
|
0
|
1
|
1
|
0
|
0
|
|
0
|
0
|
1
|
1
|
1
|
1
|
|
0
|
1
|
0
|
0
|
0
|
1
|
|
0
|
1
|
0
|
0
|
1
|
0
|
|
0
|
1
|
0
|
1
|
0
|
0
|
|
0
|
1
|
0
|
1
|
1
|
1
|
|
0
|
1
|
1
|
0
|
0
|
0
|
|
0
|
1
|
1
|
0
|
1
|
1
|
|
0
|
1
|
1
|
1
|
0
|
1
|
|
0
|
1
|
1
|
1
|
1
|
0
|
|
1
|
0
|
0
|
0
|
0
|
1
|
|
1
|
0
|
0
|
0
|
1
|
0
|
|
1
|
0
|
0
|
1
|
0
|
0
|
|
1
|
0
|
0
|
1
|
1
|
1
|
|
1
|
0
|
1
|
0
|
0
|
0
|
|
1
|
0
|
1
|
0
|
1
|
1
|
|
1
|
0
|
1
|
1
|
0
|
1
|
|
1
|
0
|
1
|
1
|
1
|
0
|
|
1
|
1
|
0
|
0
|
0
|
0
|
|
1
|
1
|
0
|
0
|
1
|
1
|
|
1
|
1
|
0
|
1
|
0
|
1
|
|
1
|
1
|
0
|
1
|
1
|
0
|
|
1
|
1
|
1
|
0
|
0
|
1
|
|
1
|
1
|
1
|
0
|
1
|
0
|
|
1
|
1
|
1
|
1
|
0
|
0
|
|
1
|
1
|
1
|
1
|
1
|
1
|