FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Exhibit 6-4 illustrates typical steps within the systems analysis phase of the SDLC: a preliminary investigation, a survey of the current system, a determination of user information needs, analysis, and business process reengineering.

Detailed explanation-2: -Phase 1 of the systems development life cycle involves a preliminary analysis, an initial phase at the start of a project that determines whether the concept is viable; any proposed alternative solutions; the cost benefit evaluation; and finally the submission of the preliminary plan for recommendations.

Detailed explanation-3: -The steps in the preliminary investigation are to understand the problem or opportunity; define project scope and constrains; finding facts; estimate project’s benefit; estimate time and cost. Outcome of planning phase is to produce a report to mgr for recommendations.

Detailed explanation-4: -Answer and Explanation: Yes, it is true that preliminary investigation is considered an important first step in the system analysis phase of the systems study. It helps in evaluating the fact that whether the stated problem or deficiency in the current system exists or not.