บทบาททคโนโลยีสารสȨทศNapat HauyamThis document outlines various roles in information technology and groups them into categories including hardware, programming, operations and service, computer engineering, computer science, and business computer. It lists specific roles such as system analyst, database administrator, programmer, trainer, web master, and roles related to application software, systems analysis, networking, and programming languages like Java, C, and SQL.
บทบาททคโนโลยีสารสȨทศNapat HauyamThis document outlines various roles in information technology and groups them into categories including hardware, programming, operations and service, computer engineering, computer science, and business computer. It lists specific roles such as system analyst, database administrator, programmer, trainer, web master, and roles related to application software, systems analysis, networking, and programming languages like Java, C, and SQL.
Definition of Information SystemLansey WegnerThe document defines an information system as a combination of hardware, software, infrastructure, and trained personnel organized to facilitate planning, control, coordination, and decision making in an organization. It notes information systems have advantages like making work easier, allowing real-time updates, and improving organizational quality, but also have disadvantages such as costs, system breakdowns, lack of IT skills, privacy issues, and unemployment. The document provides examples of how information systems are used in daily life and business.