STD_LOGIC_1164程序包的正确声明方法是( )
A: USE STD_LOGIC_1164
B: USE IEEE.STD_LOGIC_1164
C: USE IEEE.STD_LOGIC_1164.ALL
D: USE STD_LOGIC_1164.ALL
A: USE STD_LOGIC_1164
B: USE IEEE.STD_LOGIC_1164
C: USE IEEE.STD_LOGIC_1164.ALL
D: USE STD_LOGIC_1164.ALL
举一反三
- STD_LOGIC_1164程序包的正确声明方法是?( ) A: USE STD_LOGIC_1164 B: USE IEEE.STD_LOGIC_1164.ALL C: USE D: USE IEEE.STD_LOGIC_1164
- In English, logic is implied. Therefore we should avoid the use of logic markers.
- To measure the period of a pulse waveform, you must use( ) A: a DMM B: a logic probe C: an oscilloscope D: a logic pulser
- 语句USE IEEE.STD_LOGIC_1164.ALL;表示允许使用IEEE库中STD_LOGIC_1164程序包中的所有内容。
- STD_LOGIC_1164程序包的正确声明方法是? A: USE B: USESTD_LOGIC_1164 C: USEIEE D: STD_LOGIC_1164.ALL E: USEIEE F: STD_LOGIC_1164