软件水平考试（初级）程序员上午（基础知识）模拟试卷28

(75)is NOT a concept of White Box Testing.

(74)is encoded with Differential Manchester in the diagram below.

The methods used in Asynchronous Transfer Mode(ATM)are switch technology and(72)is used to describe this mode.

In advanced PC bus or local bus,(73)has the fastest data throughput.

In a certain cache system, the modified cache block is written to main memory only when the block is replaced. All of the following are used to describe this policy EXCEPT(71).

(63)

(62)

(60)

(61)

在编译程序中，语法分析的方法有自底向上分析和自顶向下分析。自底向上分析方法从左向右扫描输入符号串，通过(54)分析其语法是否正确。例如，(55)就是一种自底向上的分析方法，与其他自底向上分析方法不同，它是根据(56)来进行归约的。 自顶向下分析方法从文法的开始符号出发，判断其能否(57)出输入符号串。采用自顶向下分析方法时，要求文法不含有(58)。