In the modulation style. of PSK, if a kind of Modem's modulation rate is 3200baud and it's phase is 8, what is the data transfer rate of this kind of Modem ?A．14.4kbpsB．28.8kbpsC．9600bpsD．3200bps

题目

In the modulation style. of PSK, if a kind of Modem's modulation rate is 3200baud and it's phase is 8, what is the data transfer rate of this kind of Modem ?

A．14.4kbps

B．28.8kbps

C．9600bps

D．3200bps

相似考题

1.在通信专业中，WDM的英文全称是（），“吞吐量”英文通常翻译为（）。A．Wierless Digital Modulation B．Wave Division Multiplexing C．Wavelength Division Multiplexing D．Wireless Data Modulation A．traffic flow B．rate C．throughout D．throughput

2.The author's opinion on Machiavelli's History of Florence is that[A] history has much to do with the person who records it.[B] the charm lies in the style. rather than in the content.[ C] most people failed to read Machiavelli's intention in it.[D] any history of this kind should be written in this way.

3.听力原文：M: The depositors can earn interest on demand deposits, is that right?W: Yes, but the rate of interest on demand deposits is generally well below the bank's base rate.Q: What does the woman imply?(15)A．The bank's base rate is fixed.B．The rate on demand deposits is low.C．The rate on demand deposits is high.D．The bank's base rate is floating.

4.What is the author’s attitude towards the modem teehnology?A.CriticalB.ObjectiveC.OptimisticD.Negative

更多“In the modulation style. of PSK, if a kind of Modem's modulation rate is 3200baud and it's phase is 8, what is the data transfer rate of this kind of Modem ?A．14.4kbpsB．28.8kbpsC．9600bpsD．3200bps”相关问题

  • 第1题：

    What’s the insurance________for the shipment?

    A rate ;

    B value ;

    C ratio


    参考答案:A

  • 第2题：

    ( ) to call.

    A、You are so kind

    B、You are kind enough

    C、It's so kind for you

    D、It’s very kind of you


    参考答案：D

  • 第3题：

    单句理解

    听力原文：Interest rate risk refers to the exposure of a bank's financial condition to adverse movements in interest rates.

    (1)

    A．Bank's financial condition is the cause of interest rate risk.

    B．Bank's financial condition has impact on interest rate risk.

    C．Interest rate risk occurs when interest rate moves against the bank's financial condition.

    D．Interest rate risk occurs when interest rate favours the bank's financial condition.


    正确答案：C
    解析：单句意思为“利率风险是指银行在不利的利率变动中暴露出的财务风险”。A项因果关 系颠倒，B项没有提及，D项“favour”一词与原句“adverse”相矛盾。

  • 第4题：

    听力原文：W: What is the rate of exchange for pound sterling into yen today?

    M: For cash it is seven hundred and ninety four yen to the pound and for traveler's cheques it is eight hundred and eighteen yen to the pound.

    Q: What's the exchange rate for cash?

    (12)

    A．880 yen.

    B．794 yen.

    C．719 yen.

    D．888 yen.


    正确答案：B
    解析：女士问的是今日英镑兑日元的汇率，男士的回答是：英镑兑日元的现金汇率是794日元每英镑，旅行支票汇率是880日元每英镑，所以选项B为正确项。

  • 第5题：

    听力原文：M: The rate on a personal loan is fixed according to the base rate at the time when the loan is made.

    W: But it is always higher than the base rate, isn't it?

    Q: What is determined when a personal loan is made?

    (14)

    A．Rate on the personal loan.

    B．Base rate of the bank.

    C．The amount of payment.

    D．Personal loan's time period.


    正确答案：A
    解析：根据对话中"The rate on a personal loan is fixed"可知A项正确。

  • 第6题：

    EIGRP has been configured to opera te over Frame Relay multipoint connections. What should the bandwidth command be set to?()

    A. the CIR rate of the lowest speed connection multiplied by the number of circuits

    B. the CIR rate of the lowest speed connection

    C. the CIR rate of the highest s peed connection

    D. the sum of all the CIRs divided by the number of connections


    参考答案：A

  • 第7题：

    5. —What kind of movies do you like?

    —________.

    A． I like comedies

    B． I like it

    C．It s scary

    D．It s interesting


    正确答案：A

  • 第8题：

    How good the news is for you!（）

    AYou are kind to tell me

    BI'm glad to see that 

    CIt's kind of you to say so

    DIt's nice to hear from you  


    C
    略

  • 第9题：

    EIGRP has been configured to opera te over Frame Relay multipoint connections. What should the bandwidth command be set to?（）

    • A、the CIR rate of the lowest speed connection multiplied by the number of circuits
    • B、the CIR rate of the lowest speed connection
    • C、the CIR rate of the highest s peed connection
    • D、the sum of all the CIRs divided by the number of connections

    正确答案:A

  • 第10题：

    Which of the following will not increase system capacity? （）

    • A、Increasing the number of available frequencies.
    • B、Changing the modulation scheme.
    • C、Implementing half rate vocoders
    • D、Going from a 4/12 to a 3/9 reuse pattern.
    • E、Splitting cells

    正确答案:B

  • 第11题：

    单选题
    OAP IF ANY TO BE CHTRS ACCT BUT OWNERS CONTRIBUTION USD 0.3/MT. What does OAP stand for?（）
    A

    Old Age Pension

    B

    Overage Additional Premium

    C

    Organization of Arab Petroleum countries

    D

    Optimum amplitude and phase modulation


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    OAP IF ANY TO BE CHTRS ACCT BUT OWNERS CONTRIBUTION USD 0.3/MT. What doesOAP stand for?（）
    A

    Old Age Pension

    B

    Overage Additional Premium

    C

    Organization of Arab Petroleum countries

    D

    Optimum amplitude and phase modulation


    正确答案： C
    解析： 暂无解析

  • 第13题：

    － ()－ Today’s rate is listed on the board here.

    A、What’s the exchange rate today

    B、What kind of currency do you want to exchange for

    C、What’s the amount you’d like to exchange


    参考答案：A

  • 第14题：

    What is the main reason for dollar's weakness?

    A．A series worse-than-expected data were released.

    B．German Bundesbank was reluctant to cut rate.

    C．Technical factors.

    D．All of the above.


    正确答案：D
    解析：本题在于回答造成美元疲软的主要原因是什么，文中第二段提到the hopes were dashed...cut rate by German Bundesbank。所以D选项符合题意。

  • 第15题：

    对话理解

    听力原文：W: What kind of monetary policy instruments may your bank use?

    M: They include adjusting the base interest rate, regulating rediscounting and open market operations.

    Q: Which of the following wasn't mentioned by the man as a monetary policy?

    (11)

    A．The minimum deposit reserve.

    B．Adjusting the base interest rate.

    C．Regulating rediscounting.

    D．Open market operations.


    正确答案：A
    解析：对话谈论的是货币政策工具种类的问题，男士提到了调整基准利率、规定再贴现政策和公开市场操作，他没有提及最低存款准备金。

  • 第16题：

    is a channel's capacity which directly reflects the data transfer rate of the channel.

    A．The delay

    B．The volume

    C．The noise

    D．The bandwidth


    正确答案：D
    解析：带宽是指信道的容量，它直接反映信道的数据传输速率。

  • 第17题：

    What kind of cable should be used to establish a trunked line between two Catalyst switches?

    A．A straight-through cable

    B．An EIA/TIA-232 serial cable

    C．An auxiliary cable

    D．A modem cable

    E．A cross-over cable


    正确答案：E
    解析：Explanation: A crossover cable is used to connect two of the same device types, or devices from the same OSI layer.

  • 第18题：

    What kind of cable should be used to establish a trunked line between two Catalyst 2950 switches?()

    A. a straight-through cable

    B. an EIA/TIA-232 serial cable

    C. an auxiliary cable

    D. a modem cable

    E. a cross-over cable


    参考答案：E

  • 第19题：

    OAP IF ANY TO BE CHTRS ACCT BUT OWNERS CONTRIBUTION USD 0.3/MT. What does OAP stand for?

    A.Old Age Pension

    B.Overage Additional Premium

    C.Organization of Arab Petroleum countries

    D.Optimum amplitude and phase modulation


    正确答案：B

  • 第20题：

    How good the news is for you!（）

    • A、You are kind to tell me
    • B、I'm glad to see that 
    • C、It's kind of you to say so
    • D、It's nice to hear from you  

    正确答案:C

  • 第21题：

    （）You too!

    • A、Merry Christmas!
    • B、What a beautifulday!
    • C、Help yourself!
    • D、It's very kind of you!

    正确答案:A

  • 第22题：

    What kind of cable should be used to establish a trunked line between two Catalyst 2950 switches?（）

    • A、a straight-through cable
    • B、an EIA/TIA-232 serial cable
    • C、an auxiliary cable
    • D、a modem cable
    • E、a cross-over cable

    正确答案:E

  • 第23题：

    填空题
    What kind of storage the user’s account now has?It now has 5,000 megabytes of ____ storage.

    正确答案： free
    解析：
    细节题。邮件第二段中指出“Your account now has 5,000 megabytes of free storage”，您的账户现在已经有5000兆字节的免费存储空间，此处应填free。

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