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SOURCES OF SOFTWARE - Coggle Diagram
SOURCES OF SOFTWARE
Sources of Software
Cloud computing providers
Outsourcing, Information technology firms, Vendors of enterprise solution software (ERP)
Open-source software solutions
Build it yourself
Packaged software providers
In-House Development
use own worker to develop IT system (Team programmer, business analysts etc.).
Packaged software providers
Already written and ready for the buyer to install
Vendors design and market packaged software
Cost / Benefit - In-house versus purchase, Functionality, Vendor Support, Viability of Vendor, Flexibility, Documentation, Response Time, Ease of Installation
Open Source
Free redistribution, Source Code, Derived works
Integrity of Author's Source Code
License not specific to a product
No discrimination against people/groups, fields of endeavor
License is technology-neutral
Outsourcing
Develop custom Information System
Develop, host & run application
Employ consultants with domain specific experience
Provide domain expertise
Cloud computing
Computing that relies on sharing computing resources
Pay for use (Software as a service)
Pay for platform
Pay for service
Weighted Scoring Model
List Option , Brainstorm Criteria, Assign weight value & Create weighted scoring chart