关于软件测试,( )的叙述是正确的。①测试开始越早,越有利于发现软件缺陷②采用正确的测试用例设计方法,软件测试可以做到穷举测试③测试覆盖度和测试用例数量成正比④软件测试的时间越长越好
本题考查软件测试原则。正确的测试原则概念如下:测试应尽早地不断地执行。测试是不完全的。测试用例覆盖测试需求的程度称为测试覆盖度,可能存在一个用例可以覆盖多个测试需求;一个需求对应多个测试用例的情况。
( )is the process of transforming information so it is unintelligible to anyone but the intended recipient.
As each application module is completed,it undergoes( )to ensure that it operates correctly and reliably.
( )algorithm specifies the way to arrange data in a particular order.
After analyzing the source code,( )generates machine instructions that will carry out the meaning of the program at a later time.
( )can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
浏览器开启无痕浏览模式后,( )依然会被保存下来。
下列协议中,不属于TCP/IP协议簇的是( )。
下列传输介质中,带宽最宽、抗干扰能力最强的是( )。
数控编程常需要用参数来描述需要加工的零件的图形。在平面坐标系内,确定一个点需要2个独立的参数,确定一个正方形需要( )个独立的参数。
某书的页码为1,2,3,...,共用数字900个(一个多位数页码包含多个数字),据此可以推断,该书最大的页码为( )。