This textbook provides an overview of business information systems and provides definitions for the different systems used in companies.
Description
Contenu
- Defining Information Systems
- Defining Data and Information
- Defining Systems
- Defining Information Systems
- Business Information Systems
- Types of business information system
- Hardware
- Input devices
- Central Processing Unit (CPU)
- Internal and External Memory
- Output devices
- Major categories of computers
- Software
- Systems software
- Application software
- Database Systems
- Organising data in a database
- Database Software
- Retrieving Data from a Database
- Networks
- Network components
- The Internet and World-Wide Web
- Web-Enabled Business
- Intranets and extranets
- The World Wide Web
- Web browsers and servers
- E-business
- E-commerce
- Acquiring Information Systems
- Bespoke development
- Off-the-shelf software
- End-user-developed software
- Factors affecting software acquisition
- Developing Information Systems
- The traditional waterfall model
- The systems development lifecycle
- Systems Development Methodologies
- SSADM
- Rapid applications development (RAD)
- The Capability Maturity Model
- Information Systems Security
- Security Threats to Information Systems
- Reducing the Threat to Information Systems
- Types of controls
- Techniques for controlling information systems
- Security Threats to Internet services