vf笔试汇总答案（VF written summary answer）.doc

vf笔试汇总答案（VF written summary answer） Common basic answer Chapter 1: First, the multiple-choice question CDBCB, ABDCC, CDAAD, BDDCA, ACBBA, DABBD, BCBDD, ABDCC BBDCB CDCAB DCCCDD Two. Fill in the blanks Finite memory, log2n storage structure, nonlinear structure, adjacent component, n (n-1), /2 hierarchical model, time complexity and space complexity 0 O (nlog2n) sequence storage structure exchange method on time complexity and space complexity of storage structure Easy to insert and delete operation time, physical structure or storage structure basically ordered m+1 3139 Second chapters: First, the multiple-choice question DDDDC CCBBC CDADA Two. Fill in the blanks object inherit Reusability class Z=sqrt (x*x+y*y) Forty-six news top-down encapsulation Object class Third chapters: First, the multiple-choice question DDDDB, AABBD, BCACD, DADDD, CAAAA, CABBB, DCDBB, DB Two. Fill in the blanks Software life cycle cohesion software development data structure Reduce complexity software engineering software tool Boundary value analysis debugging Perfection Output result process Software Crisis White box outline Validation test One to many Black box software software test Software requirements specification Cohesion and coupling Backtracking Fourth chapters: First, the multiple-choice question CDCAB, CCBAC, BABAB, CDACC, CCDAC, CCDDB, CDBCD, CBABC, DACC Two. Fill in the blanks Relation type One to many Conceptual design phase aggregate Logical data model Physical independence data model relationship Ascending order and descending order Logical independence Integrity control Relation operation Entity integrity data item attribute concept VF chapter answer First, second, third chapters First, the multiple-choice question. 1-5 ABDCC 6-10 CBABA 11-15 ADCAB 16-20 ABDAB 21-25 CCCDC 26-30 ADABB 31-35 CDBAC 36-40 ABCBD 41-45 BDCCD 46-50 BACDD 51-55 CDDDC 56-60 DBCDB 61-65 BBBAC 66-70 ACDCC 71-72 AB Two. Fill in the blanks (1) numerical (2).F. (3) 123456 (4) {^1962/10/27} (5) natural