Electronics - Combinational Logic Circuits - Discussion
Discussion Forum : Combinational Logic Circuits - General Questions (Q.No. 4)
4.
Select one of the following statements that best describes the parity method of error detection:
Discussion:
3 comments Page 1 of 1.
$unil said:
1 decade ago
Parity is a bit checker so if Even no.of error occur it won't ditinguish.
EX: Data to b transmitted= 1010101
Even parity of 1010101 is '0' (if odd parity '1')
Let the data transmitted as
1. 1000101 - single bit error; parity is '1'
2. 1001101 - two bits error; parity is '0'
Therefore in 1 (ie single bit error) parity is missmatch
[Parity is calculated by just adding no.of ones; if we follow even parity then over count shd be 0, if not we shd set ie make parity as 1]
EX: Data to b transmitted= 1010101
Even parity of 1010101 is '0' (if odd parity '1')
Let the data transmitted as
1. 1000101 - single bit error; parity is '1'
2. 1001101 - two bits error; parity is '0'
Therefore in 1 (ie single bit error) parity is missmatch
[Parity is calculated by just adding no.of ones; if we follow even parity then over count shd be 0, if not we shd set ie make parity as 1]
GOKUL said:
8 years ago
Parity checker is only used to detect one-bit errors.
Shrawan kr sahu said:
9 years ago
Why option D is not correct?
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