149 "Hard logic" in the preparation of a network refers to:A. Discretionay dependenciesB. External depenenciesC. Mandatory dependenciesD. All of the aboveE. A abd B only
149 "Hard logic" in the preparation of a network refers to:
A. Discretionay dependencies
B. External depenencies
C. Mandatory dependencies
D. All of the above
E. A abd B only
相关考题：
重载操作符的定义一般见于 IEEE 库的哪几个程序包 A.std_logic_arith、std_logic_unsigned、std_logic_signedB.std_logic_arith、std_logic_unsigned、std_logic_1164C.std_logic_unsigned、std_logic_1164、std_logic_arithD.std_logic_1164、std_logic_arith、std_logic_unsigned、std_logic_signed
Logic标记库中如果常数与被定义的实体相等,返回true的标记是() A.logic：equalB.logic：lessEqualC.logic：lessThanD.logic：notEqual
----Hard-a-port! ----Hard-a-port! __________!A.Hard-a-portB.Wheel hard-a-portC.Wheel on hard-a-portD.Yes
STD_LOGIC_1164程序包的正确声明方法是（）A．USE STD_LOGIC_1164B．USE IEEE.STD_LOGIC_1164C．USE IEEE.STD_LOGIC_1164.ALLD．USE STD_LOGIC_1164.ALL
STD_LOGIC_1164程序包的正确声明方法是？A．USE STD_LOGIC_1164B．USE IEEE.STD_LOGIC_1164C．USE IEEE.STD_LOGIC_1164.ALLD．USE
程序包（）重载了可用于INTEGER型及STD_LOGIC和STD_ LOGIC_VECTOR型混合运算的运算符，并定义了一个由STD_LOGIC_VECTOR型到INTEGER型的转换函数。A．STD_LOGIC_SIGNEDB．STD_LOGIC_ARITHC．STD_LOGIC_UNSIGNEDD．STD_LOGIC_1164