78. Digitalizing analogy signal is an important step in the digital world to provide high quality information service to human beings. Which of the following is not the technique adopted during the digitalization process?
(A) sampling
(B) quantization
(C) encoding
(D) synchronization

答案：登入後查看
統計： A(13), B(10), C(9), D(21), E(0) #2929655