الفصل-الثامن-تحليل-النظم

Systems Analysis 1-8 Systems Study

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. 1 . 2 .2 . 4 . 5 . 6 . 7 . 8 . 9 . -

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2-8 : Systems Analyses . . Trial and error . : 1- . . .

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. 2- .Points Decision . ) ( ) ( . . 3- . .

3-8 Need For Systems Analysis . . : 1- : . . . . 2- : . . . 3- : . . .

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4-8 Problem Len Definition . . : : . . : . . . . . . : . . . . : . . . : 1- . . 2- . . 3- .

5-8 Systems Analyses Constraints . . .

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1- : . . . 2- : . . . . 3- : . . . . . . 4- : . 5- : . . 6- : . . ... .

6-8 Understanding The Existing System . . :

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: . : . . : . . . : . . . : )1( ) ( )2( ) (. "" "" "" " " . . . 1-6-8 Personnel Interviews . . . . . . .

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4- 5-

: : 1-

2- 3- 4-

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5- 2-6-8 Questionnaires

. . . . : ) ( . . . . . . . . : 1- . 2- .3-6-8 / Input/ Output Analysis

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. / . / . 4-6-8 Document Analysis : 1- : . . 2- : . . . 3- : . .7-8 Analysis of Finding

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. : . . )8-4( . . )8-4( 1. 2. 3. 4. 5. 6. 7. 8. 9. 01. 11. 21. 31. 41. 51. 61. 71. 81. 91. 02. 12. 22. 32. . .

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. : 1- :Simplicity . . :Flexibility ... . :Reliability . .Back up :Timeliness . . :Feasibility . "" "". . . . 2-

3-

4-

5-

8-8 :Identification of Users Need . . .

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) ( . . . . . : 1- 2- 3- . . . : 1- ) ( 2- ) ( 3- ) ... ( 4- .

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. . 9-8 :Identification of System Requirements . . . . " " " ". : 1- . 2- . 3- . 4- . 5- . . . 01-8 Feasibility Studies . . .

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:1-01-8 Technical Feasibility

. . . . .2-01-8 Economic Feasibility

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61

. " " ) ... ( " " . " " ) ... ( . . . .3-01-8 Operational Feasibility

. ... . . " ."Scheduling . PERT CPM Gantt Charts . .

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4-01-8 Legal and Environmental Feasibility

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6- . . .11-8 Systems Analysis Report

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