中国大学mooc专业英语（软件）试题及答案-k8凯发

k8凯发-凯发官网入口公共管理答案 正文

1. analog and digital signal

1.1 analog singnal随堂测验

1、which is the analog signal?
    a、
    b、
    c、
    d、

1.2 digital singnal随堂测验

1、which is the digita signal?
    a、
    b、
    c、
    d、

2. application of ohm’s law

2.1 series circuits随堂测验

1、in series circuit ,the current flowing through each element is（ ）
    a、of the same value
    b、proportional to resistance
    c、inversely proportional to resistance
    d、

2.2 parallel circuits随堂测验

1、in parallel circuits, the current flowing through each element is ( )
    a、of the same value
    b、proportional to resistance
    c、inversely proportional to resistance
    d、

2.3 series-parallel circuits随堂测验

1、what is ir drop?
    a、the product of current and voltage
    b、infrared radiation
    c、investor relation
    d、

3. nand gate

3 nand gate随堂测验

1、what are the output of the logic gates?

5 manufacturing process of semiconductor

5.1 ic fabrication introduction随堂测验

1、which of the following statements is correct?
    a、ic means integrated circuits
    b、an ic places one electronic component on one substrate of silicon
    c、
    d、

5.2 key technologies随堂测验

1、what is the role of oxidation?
    a、wafer preparation
    b、prevent o2 diffusion.
    c、growing
    d、rounding

6 the package technology of ic

6.1 package introduction随堂测验

1、the process of package excludes ( )
    a、wafer test
    b、diffusion.
    c、die separation
    d、attach

6.2 tradition assembly随堂测验

1、the purpose of back grind is ( )
    a、good looking
    b、testing
    c、appropriate dimension.
    d、attach

6.3 advanced packages随堂测验

1、advanced packaging designs exclude ( )
    a、mcm
    b、bga
    c、wlp
    d、dip

7 cellphone communication

7.1 modulation随堂测验

1、which one is amplitude modulation? ( )
    a、
    b、
    c、
    d、

7.2 propagation mode随堂测验

1、which one is sky-wave propagation? ( )
    a、
    b、
    c、
    d、

8 image sensors

8.1 image sensor introduction随堂测验

1、tranditional camera used film to capture image ,here film means ( )
    a、电影
    b、胶片
    c、薄膜
    d、

8.2 type of image sensor随堂测验

1、which is not the characteristics of ccd?
    a、high resolution
    b、low image distortion
    c、low power consumption
    d、

16 multimeter

16 multimeter随堂测验

1、which is the multimeter ? ( )
    a、
    b、
    c、
    d、

11 bluetooth

11.1 bluetooth introduction随堂测验

1、which did not develop bluetooth technology?
    a、ericsson
    b、apple
    c、toshiba
    d、nokia

11.2 bluetooth technology随堂测验

1、what is the operating distance of bluetooth technology?
    a、10m
    b、50m
    c、100m
    d、1000m

11.3 bluetooth application随堂测验

1、bluetooth technology is free for all the people

12 wireless lan

12.1 two models of wlan随堂测验

1、in which structure can users communicate directly ( )in which structure can users communicate directly ( )
    a、centerless structure
    b、central structure
    c、
    d、

12.2 wlan architecture随堂测验

1、which device cannot be used to access wlan ? ( )
    a、wireless network cards
    b、wireless bridges
    c、wireless antennas
    d、hub

12.3 wlan application随堂测验

1、where can we use wlan except ( )
    a、in hospital
    b、in restaurant
    c、in house
    d、in tunnel

18 signal generator

18 signal generator随堂测验

1、which is the signal generator ?
    a、
    b、
    c、
    d、