(a) (PAGE39) a survey which is the 1st step in system developmnt life cycle, it is not in depth investigation n covers nature, objective n scope of SDLC. (b) Preliminary investigation Report
To: Top management of KTK
Date: 31 August 2010
Investigation of Manual Purchasing System of KTK.
Computerization of the manual purchasing system
Time and cost estimates:
ERP are groups of software applications integrated to form enterprise information system. Workflows can be prescribed to automate approval processes through established chains of command. Etc etc etc... Reasons for ERP:
a. Intergrated financial system
b. Intergrated customer order info
c. Standardize & speed up manufacturing process.
d. Reduce inventory
e. Standardize HR intergration.
(a) (page109 - 111) 3 types of CASE tools:
a. Prototyping tools
b. Data design tools
c. Programming tools
d. Diagramming tools
(b) (PAGE131) end user uses computer technology ratehr than relying on system professionals. Risk associated with them: e. Lack skills required since they are amateur
f. Poorly controlled system
g. System incompabilities
h. Duplication and waste of resources
(c) (PAGE148) coomon type of user interface design:
(a) (PAGE137)Characteristics of quality information system: a. Better than the old ones
b. Input&output are accurate – the system should provide an audit trail that allows user to trace transaction from their sources & confirm that they are correctly handled. c. Flexible – so that it can be easily maintained
d. Provide fast response – efficient input & output, sufficient storage of data & computer...