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(a) Using the narrative in question 7 (b)
(i) Create a Logical Data Structure (LDS)/Entity Relationship Diagram (ERD) for Electron PH.(7marks)
(ii) List the attributes for the entities in 8(a) (i). (iv) Show the attributes by underlining them.(10marks)
(c) Various techniques are available to systems analysts to enable them collect information about an existing manual systems. Describe the changes in the approach used if the system was already computerized.(3marks)

 

 

 

 

 

 

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