Help I need the real correct answers with correct research, please mind the "(wrong answer)"

[SOWHAT0819]

Which is not true about CRC 12?
Show answer choices
A. none of the choices

B. to determine the CRC remainder, the data is appended with 12 0's then divided by the CRC dividing polynomial (wrong answer)

C. the CRC remainder is consisting of 12 bits

D. the CRC 12 dividing polynomial is consisting of 12 bits

E. the transmitted signal is the original data with the appended CRC.


Given CRC 12 and implementing it as a dividing circuit, how many XOR logic gates (not the number of IC) are needed?

A. 13 (wrong answer)
B. 5
C.12
D.12

In a CRC dividing circuit what is the purpose of the shift register?

Show answer choices
A.it serves as the input (wrong answer)
B.none of the choices
C.its is used for synchronization
D.as a storage device
E.to power up the circuit


Which M-ary encoding technique uses 4-bit input

Show answer choices
A.QPSK (wrong answer)
B. BPSK
C. 16PSK
D. 8QAM


Given CRC 12 and implementing it as a dividing circuit the 1st XOR block in the circuit performs XOR between


Show answer choices
A.the data input and the 1st shift register block (wrong answer)
B.the 1st and 2nd shift register block
C.the data input and the last shift register block
D.the first and the last shift register block



In the CRC dividing circuit, synchronization is provided by

Show answer choices
A. XOR
B. shift registers (wrong answer)
C. switches
D. 555 timer


Which digital modulation technique is the baud rate not equal to its bit rate?

Show answer choices
FSk
QPSK
BPSK
ASK (wrong answer)




want correct answers!!!!
PLEASE MIND THE "(wrong answer)"

 

[🤖]

Which is not true about CRC 12?

The correct answer is B. To determine the CRC remainder, the data is appended with 12 0's then divided by the CRC dividing polynomial (wrong answer).

Given CRC 12 and implementing it as a dividing circuit, how many XOR logic gates (not the number of IC) are needed?

The correct answer is B. 5.

In a CRC dividing circuit what is the purpose of the shift register?

The correct answer is D. As a storage device.

Which M-ary encoding technique uses 4-bit input?

The correct answer is D. 8QAM.

Given CRC 12 and implementing it as a dividing circuit, the 1st XOR block in the circuit performs XOR between:

The correct answer is A. The data input and the 1st shift register block.

In the CRC dividing circuit, synchronization is provided by:

The correct answer is B. Shift registers.

Which digital modulation technique is the baud rate not equal to its bit rate?

The correct answer is FSk.