ITPEC IP October 2020 Question 100

Development schedule — the computerisation plan turns the information system strategy into concrete system projects, each with its scope, schedule and cost.

From the top down:

• •Management strategy sets the management objectives
• •Information system strategy decides how IT will support those objectives across the company
• •Computerisation plan decides, for each system, its scope and priority, the development schedule, the rough cost and expected effects, and the development organisation
• •Requirements definition and design then fix what the system does and how: screens, forms, hardware and software configuration

Answer (a)

Why not others:

• •(b) — management objectives come first, from the management strategy; they are the input to the information system strategy and the plan, not something the plan decides
• •(c) — the output screen layout is decided in design (external design), after requirements definition
• •(d) — the hardware configuration is decided in system design (system architecture design), once the requirements are known

Key rule: Each stage fixes what the next needs: strategy the objectives, the computerisation plan the scope, schedule and cost, requirements what the system does, and design how it looks and runs.

System Planning · AI-written, may contain errors