Ex.no: 1 STUDY OF UML DIAGRAMS
Date:
UML DIAGRAMS
There are three classifications of UML diagrams:
• Behavior diagrams. A type of diagram that depicts behavioral features of a system or business process. This includes activity, state machine, and use case diagrams as well as the four interaction diagrams. • Interaction diagrams. A subset of behavior diagrams which emphasize object interactions. This includes communication, interaction overview, sequence, and timing diagrams. • Structure diagrams. A type of diagram that depicts the elements of a specification that are irrespective of time. This includes class, composite structure, component, deployment, object, and package diagrams.
|Diagram
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|State Machine Diagram |Describes the states an object or interaction may be in, as well as the |Medium |
| |transitions between states. Formerly referred to as a state diagram, state | |
| |chart diagram, or a state-transition diagram. | |
|Timing Diagram |Depicts the change in state or condition of a classifier instance or role |Low |
| |over time. Typically used to show the change in state of an object over time | |
| |in response to external events. | |
|Use Case Diagram |Shows use cases, actors, and their interrelationships. |Medium |
USE CASE DIAGRAM:
A use case diagram is a type of behavioral diagram defined by the Unified Modeling Language (UML). Its purpose is to present a graphical overview of the functionality provided by a system in terms of actors, their goals- represented as use cases- and any dependencies between those
Figure 3.6 contains a processing model that contains five states. These states include the following: Running, Ready, Blocked, New, and the Exit State.
Progress Bar - The Progress Bar is used to display a value within a defined value range in the form of a bar. I used the bar because it quickly displayed that whether the current value is in the lower, medium, or upper range of possible
to calculate error derivative of current time. This is a modification of back propagation algorithm and known as back
They show the interaction between objects to create a functioning system and emphasize what must happen in the system being modeled. Since behavior diagrams illustrate the behavior of a system, so they are used extensively to describe the functionality of software systems, and all
In the object-oriented modelling class diagrams are very important. In data modelling techniques class diagrams are used. These class diagrams are represented by using the box symbol.
Activity diagrams are graphical representations of workflows of stepwise activities and actions with support for choice, iteration and concurrency. In the Unified Modeling Language, activity diagrams are intended to model both computational and organizational processes (i.e. workflows). Activity diagrams show the overall flow of control.
It involves a reference to a sequence of steps or events and the allotted time for each one.
A flowchart is intends to show a process from start to finish and visibly show the required steps in between. The decisions and the times they are made in the process can modify the process making it easier or complicate it further. This process will be
The Parallelogram Shapes in light Blue represent interaction on input or output entered by the users or fed by the program as a display.
“Symbolic interaction refers to the patterns of communication, interpretation and adjustment between individuals,” (Baird and Kaufmann) humans will interpret different meanings in everyday life, from having a conversation or using their
CPU- the percentage of CPU time in the last second or whatever the update speed is set to.
What is the New Imperialism and what were the cause and effects in the World Wars in order to understand what is the “New Imperialism”, we must first learn and define Imperialism: a policy or practice by which a country increases its power by gaining control over other areas of the world: the effect that a powerful country or group of countries has in changing or influencing the way people live in other, poorer countries. The New Imperialism takes on effects in the late 19th century this is when there is an interest or wanting to gain a imperial territory, Imperialism is also consider to be when there is a desire to control a trading routes and resources in a nation. A perfect example of the New Imperialism is called the "Scramble for Africa", this is when Europe tries to takes control over Africa. In the late 19th century Europe struggle to destabilize and to balance the power that they once had before Italy and Germany became unify.
Numerous reasons went into why the Declaration of Independence was written, from the tyranny of the British to the aspirations of the Americans. Various causes inspired the composing of the Declaration, however, the main objective of the colonists was the same, the desire to be free from the English rulers. Both the intellectuals in the cities and the toiling farmers in the country wished the same. Northern colonies and southern colonies agreed that the despotic British no longer should regulate the Americas.
Prenatal care is medical care for pregnant woman and is important for a healthy pregnancy. Its key components include regular checkups and prenatal testing, eating healthfully, exercising, and beginning as soon as one knows she is pregnant.
* Requirements Modeling * Input * Process * Output * Either of the following two (2) or combined, whichever are applicable:Data and Process Modeling Context Diagram Data Flow Diagram Object ModelingUse Case DiagramClass DiagramSequence DiagramActivity Diagram * Design * Output and User-Interface Design * Forms * Reports * Data Design * Entity Relationship Diagram * Data Dictionary * System Architecture * Network Model * Network Topology * Security * Development * Software Specification * Hardware Specification * Deployment Diagram * Test Plan * Testing * System Testing * Implementation Plan * Project Implementation Checklist *