• 2022-06-06
    In Verilog HDL, which option is the correct interpretation of the following statement? assign bus [7:4] = {bus [0], bus [1], bus[2], bus[3] } ;
    A: bus[0], bus[1], bus[2] and bus[3] are assigned to bus[4], bus[5], bus[6] and bus[7] respectively
    B: bus[0], bus[1], bus[2] and bus[3] are assigned to bus[7], bus[6], bus[5] and bus[4] respectively
    C: The values of bus[0], bus[1], bus[2] and bus[3] remain unchanged
    D: All the values of bus[0], bus[1], bus[2] and bus[3] become binary 0
  • B,C

    内容

    • 0

      当DC BUS 1失效时,DC BAT BUS可以由( )供电 A: DC BUS 2 B: DC ESS BUS C: ESS TR

    • 1

      My cousin always _______ to school. A: by bus B: by a bus C: take a bus D: takes a bus

    • 2

      Be careful! ______ ! A: The bus comes here B: Here comes the bus C: The bus here is D: There is the bus

    • 3

      BUS(Bus bar)

    • 4

      Name the three types of bus which are used when external memory is connected to the 8051.( ) A: Address bus B: Control bus C: Data bus D: Enable bus