在系统光发射机的调制器前附加一个扰码器的作用是()。
A.保证传输的透明度
B.控制长串“1”和“0”的出现
C.进行在线无码监测
D.解决基线漂移
参考答案:A
下列劳动防护用品中不属防坠落护具的是()。
A、防滑鞋
B、安全带
C、安全绳
D、防坠网
An analyst gathered the following information about spot rates and a coupon bond (all rates are annual) issued by Farrili Corporation: Spot rate, six-month aero coupon bond 7.0% Spot rate, one-year zero coupon bond 8.0% One year risk-free rate 6% Price for one-year, 9% coupon bond $1010 (semiannual payments, par value $1000) Using the arbitrage-freed approach to valuing bonds, the coupon bond is:()
A. overvalued.
B. properly valued.
C. undervalued.