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q analysts in various functional areastoday systems analysts job presents a exciting and fascinating challenge it provides high management visibility
q describe the external users of systemexternal users modern information systems are now reaching beyond the boundaries of traditional business to
q define the internal users of systeminternal users are employees of business for that an information system is built illustration are clerical and
q define the system userssystem users are defined as the people who employ information systems or who are affected by information system on a regular
q why do businesses need systems analystsa computerized system allows an organization to provide accurate information and respond faster to queries
q show the advantages of joint application developmentthe following are the numerous advantages of joint application development actively includes
qjoint application development session leaderjad session leader jad leader organizes and runs the jad this person is trained in group management and
q explain about joint application developmentit is defined as a structured approach in which users managers and analysts work together for many days
q what do you mean by prototypea prototyping approach lay emphasis on the construction model of a system designing and building a scaled-down though
in structure chart whole application is divided into modules set of program instructions and modules are designed according to some principles of
q explain the structured design of systemstructured design utilizes graphic description output of system analysis and focuses on development of
q structured analysis and design approachthe objective of structured system analysis and design is to reduce maintenance time as well as effort
q approaches for development of information systemsnumerous approaches are available for development of information systems they are as belowbull
q show the divide and conquer approachdivide and conquer approach is the way of making a complicated problem easier in this approach larger
development of information system must be considered as capital investment the developer of an information system must think about different
q standards used for development of a systemdocumentation standards it must be an ongoing activity at the time of system development life
q principles for developing successful system1 both developers and customers must be involved for accuracy in the information2 a problem
q layers of distributed system architecturelayers of distributed system architecture are presentation layer is actual user interface this layer
q explain about distributed systemsa distributed system in that data process and interface component of information system are distributed to many
q explain about wire-frame modela wire-frame model of an object is the simplest but more verbose geometric model that can be used to represent it
q categorization of geometric modelsmodern cad systems define objects in 3-d thus the designer can construct 3-d model of objects conveniently and
q functional areas of geometric modelingdraftingbull automatic planar cross-sectioningbull automatic hidden lines and surface removalbull
q functions of geometric modelingdesign analysisbull evaluation of area volume mass and inertia propertiesbull interference checking in
geometric modeling is an integral part of any computer-aided-design cad system a geometric model is defined as the complete representation of
q hard and soft real time systems hard real time systems that guarantee critical tasks are completed on time soft real time systems that are less