假设 A、B 为布尔变量,对于逻辑表达式( A && B ),至少需要( ) 个测试用例才能完成 MCDC 覆盖。
A.4
B.3
C.2
D.1
参考答案:B
Marcia called me yesterday to tell me that she______ some Japanese. [ ]
A. could speak
B. speaks
C. was speaking
D. to speak
在沟通过程中,对信息进行解释,将编码信息还原是()。
A.编码
B.通道
C.反馈
D.译码