BCA Semester 3 – System Analysis and Design – Unit 3: Analysis (13Hrs)

Steps in Feasibility Analysis Feasibility analysis is a systematic evaluation conducted to determine whether a proposed system is practical and worthwhile before development begins. It helps managemen

Process Modeling Process Modeling is a technique used in system analysis to represent and analyze the logical flow of processes within an information system. It focuses on how data is processed, tra

Skills of a Good System Analyst A System Analyst plays a key role in bridging the gap between business requirements and technical implementation. The effectiveness of a system analyst depends on a com

Information Gathering Information gathering is the process of collecting facts, data, and requirements about an existing system or a proposed system. It helps system analysts understand user needs,

DFD (Data Flow Diagram) A Data Flow Diagram (DFD) is a graphical representation of how data flows within a system. It shows the input, processing, storage, and output of data without focusing on tec

Rules for Diagramming Data Flow Diagrams (DFDs) 1. A DFD should have a clear and meaningful name. 2. Every process must have at least one input and one output. 3. Data should flow only through process

Interactive Methods (Fact-Finding Methods) with Examples Interactive methods are techniques used by system analysts to collect information directly from users and stakeholders by interacting with them

System Requirement Analysis Definition System Requirement Analysis is the process of studying user needs and business processes to determine what a system must do. It identifies, analyzes, and docu