EXAM: Finall

SUBUECT: Data Communication $($CPE$309)$

answer in english

B

NAME:

NUMBER:

PROGRAM:

$3.$ In a communication CRC AIgorithm is used for error detection. The following is the data to be sent and $G(x)$ polynom. Answer below questions accordingly.

$($Bir haberlegmede hata algalama i$$in CRC Algoritmasi kullanulmi$$tir$.$ As$$da g$$nderilecek veri ve G$($x$)$ polinomu verilmigtir. Buna gore sorulari cevaplay$$naz$)$

DATA TO BE SENT: $100110110$

$G(x)=x^4+x^x+1$

a$.$ Find the FCS blts$.(10$ p$)$

$($FCS bitlerini bulunuz$)$

b$.$ Give an example for received data having errors but it cannot be detected. Prove it $(10p)$

$($Hatalar igeren fakat bu hatalarin alg$$lanamadi$$ al$$non veriye bir $$rnek veriniz. Bunu ispat ediniz$)$