x=5

Now, your friend replies a message "EASY, where each character is encoded by 7-bit ASCII. The message is protected by CRC using a polynomial below: 4th digit of your student ID number Odd Even CRC polynomial X4+ XP X4+X (c) Calculate the CRC. Show your steps. (d) What is the bit stream to be transmitted? (e) Can CRC be used in forward error control? Justify your answer. (8%) (2%) (4%)