Archive for January, 2016

DEPICTING SYSTEMS GRAPHICALLY

A system or subsystem as it exists within the corporate organization may be graphically depicted in several ways. The various graphical models show no boundaries of the system and the information used in the system.   Systems and the Context-Level Data Flow Diagram The first model is the context-level data flow diagram (also called an […]

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INTEGRATING TECHNOLOGIES FOR SYSTEMS

As users adopt new technologies, some of the systems analyst’s work will be devoted to integrating traditional systems with new ones to ensure a useful context. E-commerce Applications and Web Systems       Many of the systems can be imbued with greater functionality if they are migrated to the World Wide Web or if they are […]

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TYPES OF SYSTEMS

1. Transaction Processing Systems (TPS) It is a computerized information systems that were developed to process large amounts of data for routine business transactions. TPS eliminates the tedium/tediousness of necessary operational transactions and reduces the time once required to perform them manually. TPS are boundary-spanning systems that permit the organization to interact with external environments. […]

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Why HCI?

HCI considers important issues on the design of effective interactive systems on every day life as in the workplace at home and in schools. The term Human Computer Interaction was adopted in the mid 1980’s as a means of describing this new field of study. There are numbers of reasons why Human-Computer Interaction is a […]

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