Communication System - SS1 ICT Past Questions and Answers - page 3

Information systems are utilized in diverse industries for efficient data management. In healthcare, Electronic Health Records (EHR) systems store patient information securely. Retail industries use Point of Sale (POS) systems for sales and inventory management. Customer Relationship Management (CRM) systems help businesses track customer interactions. Financial institutions use Transaction Processing Systems (TPS) for handling transactions. These systems streamline processes, enhance decision-making, and ensure accurate data storage.

Data networks play a crucial role in enabling the exchange of digital information among computers and devices. Local Area Networks (LANs) connect devices within a limited area, like a home or office. Wide Area Networks (WANs), including the internet, connect devices across broader geographic regions. Data networks have revolutionized global connectivity, allowing people to communicate, collaborate, and share information on a global scale. The internet, a vast interconnected network of networks, has become an essential tool for education, commerce, entertainment, and social interaction.