This document provides an introduction and overview of systems analysis and design (SAD). It discusses SAD as a process for developing IT systems to support business requirements by combining information technology, people, and data. A systems analyst utilizes SAD principles to integrate technology into an organization. Information systems are developed by technically and business-oriented people to handle daily transactions, improve productivity, and help managers make decisions. Options for developing information systems include in-house applications, purchasing software packages, internet-based applications, outsourcing, and custom solutions.