• 2021-04-14 问题

    关于以下分频器程序中,clk为系统时钟,则该分频器的分频数是多少?输出信号的占空比是多少?always@ (posedge clk) begin if (divider==M) begin carry<=1; divider<=P; end else begin divider<=divider+1; carry<=0; end end

    关于以下分频器程序中,clk为系统时钟,则该分频器的分频数是多少?输出信号的占空比是多少?always@ (posedge clk) begin if (divider==M) begin carry<=1; divider<=P; end else begin divider<=divider+1; carry<=0; end end

  • 2022-06-12 问题

    The festoon gate _____(act) as a divider between the outer and innercourtyards, the outer house and the inner house.

    The festoon gate _____(act) as a divider between the outer and innercourtyards, the outer house and the inner house.

  • 2022-05-28 问题

    使用( )类可以使下拉菜单向上弹出。 A: dropdown B: dropup C: disabled D: divider

    使用( )类可以使下拉菜单向上弹出。 A: dropdown B: dropup C: disabled D: divider

  • 2022-06-12 问题

    6.The festoon gate acts_____a divider between the outer and innercourtyards, the outer house and the inner house. A: to B: In C: as

    6.The festoon gate acts_____a divider between the outer and innercourtyards, the outer house and the inner house. A: to B: In C: as

  • 2022-06-11 问题

    Which of the following circuits is used to eliminate a portion of a signal? ( ). A: Voltage multiplier B: Voltage divider C: Clipper D: Damper

    Which of the following circuits is used to eliminate a portion of a signal? ( ). A: Voltage multiplier B: Voltage divider C: Clipper D: Damper

  • 2022-05-29 问题

    将一个字符串数组资源作为ListView的数据源时,应该设置ListView的( )属性?‍ A: android:divider B: android:transcriptMode C: android:entries D: android:drawSelectorOnTop

    将一个字符串数组资源作为ListView的数据源时,应该设置ListView的( )属性?‍ A: android:divider B: android:transcriptMode C: android:entries D: android:drawSelectorOnTop

  • 2022-05-29 问题

    ListView属性描述不正确的是( ) A: ListView可以通过android:dividerHeight属性设置Item高度 B: ListView可以通过android:listSelector属性设置Item选择后的背景 C: ListView可以通过android:scrollbars属性设置禁止滚动条显示 D: ListView可以通过android:divider属性设置Item分隔线颜色

    ListView属性描述不正确的是( ) A: ListView可以通过android:dividerHeight属性设置Item高度 B: ListView可以通过android:listSelector属性设置Item选择后的背景 C: ListView可以通过android:scrollbars属性设置禁止滚动条显示 D: ListView可以通过android:divider属性设置Item分隔线颜色

  • 2022-06-01 问题

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

    for i in range(b.max_row): for j in range(b.max_column): print(b.cell(row=i,column=j).value)上面语句运行的结果是:__________。 A: 1 1 1 1 1 1 1 1 1 1 B: 1111111111 C: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D: 出现异常

  • 2021-04-14 问题

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

    【单选题】CDMA通信的基站,假定基站A的码片序列是+1 +1 +1 -1 -1 +1 -1 -1,基站发射bit为101时,实际发射的信号是 A. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 B. +1 +1 +1 -1 -1 +1 -1 -1 –1 –1 –1 +1 +1 –1 +1 +1 +1 +1 +1 -1 -1 +1 -1 -1 C. +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 +1 +1 +1 -1 -1 +1 -1 -1 D. –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1 –1 –1 –1 +1 +1 –1 +1 +1

  • 2022-06-01 问题

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

    for i in range(1,11): for j in range(1,11): b.cell(row=i,column=j).value=1 #b是一个工作表对象for i in range(1,11): for j in range(1,11): print(b.cell(row=i,column=j).value,end=" ") print()上面程序代码运行的结果是()。 A: 1 B: 1 1 1 1 1 1 1 1 1 1 C: 1111111111 D: 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1

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