A. entitles
B. presents
C. grants
D. promises
第1题:
第2题:
已经定义了一个Season枚举,它有4个成员Spring、Summer、Autumn、Winter现在需要定义一个名为currentSeason的Season枚举,并将其赋值为Spring,应使用下面哪段代码?
A.Season currentSeason = Spring;
B.currentSeason = Spring;
C.currentSeason = Season.Spring;
D.Season currentSeason = Season.Spring;
第3题:
基于initial语句产生普通时钟信号, parameter clk_period = 10; reg clk; initial begin clk = 0; ________________; end
A.always #(clk_period/2) clk = ~clk
B.forever #(clk_period/2) clk = ~clk
C.always #(clk_period) clk = ~clk
D.forever #(clk_period) clk = ~clk
第4题:
A. many - to - one
B. one - to - one
C. one - to - many
D. many - to - many
第5题:
8、基于initial语句产生普通时钟信号, parameter clk_period = 10; reg clk; initial begin clk = 0; ________________; end
A.always #(clk_period/2) clk = ~clk
B.forever #(clk_period/2) clk = ~clk
C.always #(clk_period) clk = ~clk
D.forever #(clk_period) clk = ~clk
第6题:
以下关于VDB函数的语法正确的是()。
A.VDB(cost,salvage,life,period,factor)
B.VDB(cost,salvage,life,period,month)
C.VDB(cost,salvage,life,per)
D.VDB(cost,salvage,life,start-period,end-period,factor,no-switch)