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System Requests, Preliminary Investigation Overview, System Projects -…
System Requests
A properly designed form streamlines the request process and ensures consistency
Should include enough space for all required information
Should indicate what supporting documents are needed
Preliminary Investigation Overview
Step 1: Understand Problem or Opportunity
Determinine what is the problem, from which department, users and business processes that are involved
Step 2: Define the Project Scope and Constraints
"Project Scope" "Project Creep" "Constraint"
Means to define the boundaries, or extent, of the project by being specific as possible
Step 3: Perform Fact-Finding
Various Technique:
Conduct Interviews
Review Documendation
Observe Operations
Conduct a user survey
Depends on what information is needed, Fact-Finding might consume several hours, days, or weeks
Step 4: Evaluate Feasibility
Evaluate a project's operational, techical. economic, and schedule feasibility
Step 5: Estimate Project Development Time and Cost
Estimating the time and cost by answering the questions of WHAT, WHO, HOW
what information must you obtain?
how will you gather and analyze the information?
what sources of information will you use?
what dissiculties will you encounter in obtaining information?
who's information that you need to search out for?
Step 6: Present Results and Recommendations to Management
Prepare a report to management
The format of the preliminary investigation report varies from one company to another
A systems analyst typically follows a series of steps
To exact procedure depends on the nature of the request, the size of the project and the degree of urgency
System Projects
External Factor
Technology
Supplies
Customers
Competitors
The Economy
Government
Reasons
To Improve Services
To Get a Better Performance
To Get More Information
To Control Stronger
To Reduce Cost
Internal Factor
Strategic Plan
Top Managers
User Requests
Information Technology Department
Existing Systems