如果一个PCM编码信号的最大值是31而最小值是-31,那么这种编码使用了几个二进制位?()
A.4
B.5
C.6
D.7
参考答案:C
填写适当的句子完成对话,使情景完整通顺。
A: Hello! May I speak to Toby?
B: 1_______
A: Hi, Toby! This is Tina speaking.
B: What's wrong?
A: I called you yesterday, but there was no reply. 2_______
B: I went to the aquarium with my parents.
A: Really? 3_______
B: It was great. We saw the dolphin show. It was really wonderful.
A: 4_______
B: By the way, why did you call me?
A: Oh, tomorrow is my birthday. 5_______
B: Yes, I'd love to. Thanks a lot.
预计贷款本息和其他贷款损失率为5%的贷款应分类为()
A、正常类
B、关注类
C、次级类
D、可疑类