案例分析题Structured programming practices () rise to Pascal,in which constructs were introduced to make programs more readable and better () . C provided a combination of assembly language and high-level Structure to create a general-purpose language that could be used from system to () programming. Next came object orientation,which is () of a methodology and design philosophy than a language issue.This is () by the addition of so-called OO extensions to current languages,such as C. which is () of a methodology and design philosophy than a language issue.
A. more
B. little
C. a matter
D. important
数据库系统与文件系统的主要区别是 (18) 。
A. 数据库系统复杂,而文件系统简单
B. 文件系统不能解决数据冗余和数据独立性问题,而数据库系统可以解决
C. 文件系统只能管理程序文件,而数据库系统能够管理各种类型的文件
D. 文件系统管理的数据量较少,而数据库系统可以管理庞大的数据量
One of our water pipes has burst. We must send _____ the plumber.
数据压缩分为两类,一类是无损压缩,另一类是有损压缩。下列压缩技术中,属于有损压缩方法的是 (51) 。
A. RL编码
B. DM编码
C. Huffman编码
D. 矢量编码