the focus is on"how" the application is to be designed is called
Answers
Explanation:
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Definition
Definition of 'Systems Design'
Definition: Systems design is the process of defining elements of a system like modules, architecture, components and their interfaces and data for a system based on the specified requirements. It is the process of defining, developing and designing systems which satisfies the specific needs and requirements of a business or organization.
Description: A systemic approach is required for a coherent and well-running system. Bottom-Up or Top-Down approach is required to take into account all related variables of the system. A designer uses the modelling languages to express the information and knowledge in a structure of system that is defined by a consistent set of rules and definitions. The designs can be defined in graphical or textual modelling languages.
Some of the examples of graphical modelling languages are
a. Unified Modelling Language (UML): To describe software both structurally and behaviourally with graphical notation.
b. Flowchart : A schematic or stepwise representation of an algorithm.
c. Business Process Modelling Notation (BPMN): Used for Process Modelling language.
d. Systems Modelling Language (SysML): Used for systems engineering.
Design methods:
1) Architectural design: To describes the views, models, behaviour, and structure of the system.
2) Logical design: To represent the data flow, inputs and outputs of the system. Example: ER Diagrams (Entity Relationship Diagrams).
3) Physical design: Defined as a) How users add information to the system and how the system represents information back to the user. b) How the data is modelled and stored within the system. c) How data moves through the system, how data is validated, secured and/or transformed as it flows through and out of the system.