Day 46 – Distinguish Info Systems, ERP/CRM/SCM/BPM and System Engineering
The article explains that an information system comprises people, processes, data, software, hardware and management rules, differentiates TPS, MIS, DSS, ES and OAS, clarifies the distinct responsibilities of ERP, CRM and SCM, contrasts BPM with BPR, and shows how system‑engineering thinking and the verification‑validation distinction guide the five‑stage lifecycle of complex enterprise solutions, using a retail‑chain case study.
