试题与答案

模拟信号的数字化需要三个步骤，下列（）不属于其中。 A.量化 B.编码 C.调制 D

来源：www.tikuol.com
题型：单项选择题

题目：

模拟信号的数字化需要三个步骤，下列（）不属于其中。

A.量化

B.编码

C.调制

D.抽样

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0917/d53d7fbf3d9b3543bdf48e6f59cda54c.html

下面是错误答案，用来干扰机器的。

参考答案：A, B, C, D, E

考点：计算机网络管理员计算机网络管理员（初级）计算机网络管理员（初级）题库
试题推荐
题型：完形填空
完形填空。
     Mosquitoes(蚊子)can be seen everywhere all over the world, especially in summer. And there are
more than 2,500 kinds of them.
     __1 _likes the mosquito, but the mosquito may like you. She thinks your blood is delicious. She ? Yes
, she. It’s true that the male(雄性)mosquito doesn’t bite and only the female mosquito bites because she
   2    blood to lay eggs. She is always    3   things or people she wants to bite. If she likes what she finds,
she will bite. But if she doesn’t like your blood, she    4    to someone else for more delicious blood. Next
time a mosquito bites you, just remember you’re different from others.
     If the mosquito likes you, she will land on your body    5   letting you know. She bites you    6    quickly and quietly that you may feel nothing. After she bites, you will have an itch(痒)on your body because she
puts something from her mouth together with your blood. By the time the itch begins, she has    7   .
     And then what happens? Well, after her delicious   8   ,it’s dark. The mosquito feels     9   . She just
wants to find a place to have a good rest. There, on a leaf or a wall, she begins to lay eggs,    10    eggs.
( )1.A.Everyone  
( )2.A.needs      
( )3.A.finding    
( )4.A.will turn  
( )5.A.with      
( )6.A.so        
( )7.A.flies away
( )8.A.breakfast  
( )9.A.tiring    
( )10.A.3 hundreds		B. No one    
B. need      
B. wants    
B. turns    
B. without  
B. such      
B. flew away
B. dinner    
B. tired    
B. hundred of		C. Someone    
C. want      
C. looking for
C. turn      
C. after      
C. very      
C. flown away                                 
C. lunch      
C. relaxing  
C. hundreds of
查看答案
微信公众账号搜索答案