【判断题】The first colony in the America was founded at Jamestown, Virginia, in 1607
【判断题】The first English permanent settlement in America was founded in 1607 in Virginia.
【判断题】89C51 的片内 ROM 地址和片外 ROM 地址是统一编制的。
【单选题】89C51的片内RAM中,工作寄存器区的地址范围是( )。
【简答题】AT89C51的片内RAM可分为三个区,即 ( )、( )、( )区。 [填空(1)]A. AT89C51的片内RAM可分为三个区,即 工作寄存器区 、 位寻址区 、 通用寄存器 区。
【单选题】AT89C51的片内程序存储器容量有( )。
【判断题】In 1607, the first English colony in North America was established in Jamestown, Virginia.
【单选题】In 1607 the Virginia Company sent 105 men to America, they finally landed on the banks of the James River in present-day ( ).