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Answer:</h2>
Use case diagram
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Explanation:</h2>
A use case diagram is one of the dynamic diagrams used in Unified Modelling Language (UML). It is used to illustrate the set of actions, services, tasks and functions that a system needs to perform and those to be performed on the system. Use case diagrams help team members of a project to identify the main functions or features of the system as well as users and external systems that will interact with the system.
Use case diagrams have the following features;
(i) System: to depict the application itself. It is represented using a rectangular box.
(ii) Use case: to represent the system's functionalities. It is represented using an oval shape.
(iii) Actors: to represent the users of the system.
(iv) Relationships: to illustrate the relations between the actors and the use case of the system.
A good algorithm should have these three components: C. steps, order, and outcomes.
<h3>What is an algorithm?</h3>
An algorithm simply refers to a standard formula which is made up of a set of finite steps and instructions that are executed on a computer system, in order to enable a software solve a particular problem under appropriate conditions.
In Computer technology, there are three (3) components that a good algorithm should have these include the following:
Read more on algorithm here: brainly.com/question/24793921
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Answer:
the user cannot use a computer system without hardware and software