需编译运行的程序,其()错误在编译时不能发现。
- A.逻辑
- B.语法
- C.括号不匹配
- D.关键字拼写
正确答案及解析
正确答案
解析
本题考查程序代码错误的基本知识。
程序中的错误分为语法错误和语义错误两种。一般情况下,语法是关于程序的样子或结构的规则。语法错误是形式上的错误,这类错误编译器可以检查出来。括号不匹配和关键字拼写错误是关于语言结构的错误,是两种常见的语法错误。语义错误是程序含义〔功能)上的错误,可分为静态语义错误和动态语义错误。静态语义错误编译器可以检查出来。动态语义反映程序的逻辑,这种错误发生在程序运行期间,常见的逻辑错误有0作为除数、死循环和无穷递归等,编译时检查不出这类错误。
包含此试题的试卷
你可能感兴趣的试题
( )is the process of transforming information so it is unintelligible to anyone but the intended recipient.
-
- A.Encryption
- B.Decryption
- C.Security
- D.Protection
- 查看答案
As each application module is completed,it undergoes( )to ensure that it operates correctly and reliably.
-
- A.unit testing
- B.integration testing
- C.system testing
- D.acceptance testing
- 查看答案
( )algorithm specifies the way to arrange data in a particular order.
-
- A.Search
- B.Random
- C.Sorting
- D.Merge
- 查看答案
After analyzing the source code,( )generates machine instructions that will carry out the meaning of the program at a later time.
-
- A.an interpreter
- B.a linker
- C.a compiler
- D.a converter
- 查看答案
( )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.
-
- A.Data processing system
- B.Big Data analytics
- C.Cloud computing
- D.Database management
- 查看答案