This presentation is the property of its rightful owner.
Sponsored Links
1 / 44

系统的总体设计 PowerPoint PPT Presentation


  • 89 Views
  • Uploaded on
  • Presentation posted in: General

系统的总体设计. 系统设计要求 系统功能结构的划分 系统环境的配置 确定系统的计算机处理流程. 系统设计要求 1 .简明性 2 .灵活性和适应性 3 .完整性 4 .可靠性 5 .安全性 6 .经济性. 系统功能结构的划分 管理信息系统的各子系统可以看作是系统目标下层的功能。对其中每项功能还可以继续分解为第三层、第四层 …… 甚至更多的功能。

Download Presentation

系统的总体设计

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript



1

2

3

4

5

6



1

2

3

4


  • 1

  • /

  • 2


  • 3

  • /

  • OracleSybaseSQL ServerFoxProOracleSybaseSQL ServerMISFoxProMIS


  • 4



1

2

3

4

5

6


1

2

3

4


1

2

3


  • 1

  • 2

  • 3


1 HIPO

  • HIPOHierarchy plus Input/Output

  • HIPOHIPO

  • 1H

  • 5-19

  • 2IPO

  • HIPO


2

  • Yourdon

  • 1

  • 2

  • 3


  • 4

  • AB5-20


  • 5

  • MAB5-21




  • IPO


MIS


1

2

3

4


1

2

3


1.

2.


  • P1 P2Pn

  • A1A2

  • S= PiAi

    123

    2481632

    235711

n

i=1


R=S mod (M)RM

R

::1 2 3 4

: 4 3 2 1

: 4+6+6+4=20

11,: 20 mod 11=9

:1 2 3 4 9



1

1

2

2

1;

2


1


2


3




1


2

3

4


1

2

3


1

2


3

4


1

2

3


1

2

3


1

1

2

3

4


2


1.


2.


  • Login