Payroll System Essay Sample

Payroll System Pages
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This is a small scale project for payroll system .The basic idea is that the manager of the company maintains the details about the employees, the designation and salary. It consists of employee details, payroll system, status and exits. The manager can enter the name and employee ID and get the salary details of that particular employee. In payroll system we can calculate the net salary of the employee based on input.

In the Employee details module various details like employee ID, Name, Designation, Basic pay are obtained from the user.In the Display module the total database is displayed. In the salary Details module, the individual database is displayed which shows the PF, DA, HRA and Net salary of the particular employee. By using the Modify module we can modify and update the employee personal details on the database stored.

Phase 1Project Analysis and Planning
1. Study of the Problem
The Payroll processing is critical to businesses and other organizations because of the significant amounts of money involved in employee remuneration and the complexity of the legal requirements. This is a small scale project for payroll processing. The basic idea is that the manager of the company maintains the information such as company’s name, its branches all over. The employee details maintain the employee ID, Name along with personal information. The total salary details determine the net pay of the employee. This pay roll processing involves with two types of users. • USER


The user’s can login/logout the database. He/She can view his/her personal details, monthly pay details, and company details. The user can just view the information whereas he/she could not make changes in the database. ADMINISTRATOR ROLE:

The administrator plays a vital role in the payroll system. The administrator controls the entire database. The net salary calculations are calculated by the administrator itself. The main role of the administrator is to safeguard the database.

2. Project Scope
The supplementary specification applies to payroll processing. This specification defines the non-functional requirement of the system such a Functionality:
Since it stand alone application, a single user may use it at a time. Usability:
Desktop interface
Windows 98/2000/Xp
The system is available at 24 hours a day, seven days a week.

The performance depends on hardware specification
The purpose of this document is to define the requirements of payroll processing. This supplementary specification lists the requirements that are not readily captured in the use case model. Supplementary specification and the use case model capture a complete set of requirement of the system.

Phase 2Cost Estimation
An estimate is a prediction based upon probabilistic assessment. It is the responsibility of the project manager to make accurate estimations of effort and cost. This is particularly true for projects subject to competitive bidding where a bid too high compared with competitors would result in loosing the contract or a bid too low could result in a loss to the organization. This does not mean that internal projects are unimportant. From a project leaders estimate the management often decide whether to proceed with the project. Industry has a need for accurate estimates of effort and size at a very early stage in a project. However, when software cost estimates are done early in the software development process the estimate can be based on wrong or incomplete requirements. A software cost estimate process is the set of techniques and procedures that organizations use to arrive at an estimate. An important aspect of software projects is to know the cost, The major contributing factor is effort. Why SCE is difficult and error prone?

• Software cost estimation requires a significant amount of effort to perform it correctly. • SCE is often done hurriedly, without an appreciation for the effort required. • You need experience at developing estimates, especially for large projects. • Human bias i.e An Estimator is likely to consider how long a certain portion of the system would take, and then to merely extrapolate this estimate to the rest of the system, ignoring the non-linear aspects of software development. The causes of poor and inaccurate estimation

• New software projects are nearly always different form the last. • Software practitioners don’t collect enough information about past projects. • Estimates are forced to match the resources available.

2.1. Cost and Pricing
Our project is of high range and is highly efficient which can satisfy the payroll calculation for almost all software companies. The chances of error occurrence is very limited and so our costs around Rs 10, 00,000(app). • A team of 11 members is required for completing the task. • It takes a time span of 3 weeks to shape the project. • There are no specific environmental constraints.

Phase 3Modeling the Requirements
3.1.Module Description
It is the login session for the Administrator, User and Exit.

3.1.2.Employee Details
It is used to add employee details into the database.
3.1.3.Net Salary
It is used to determine the employee net salary.
4. Modify
It is used to modify and any update in the database.

3.2.UML Diagram
3.2.1.Use case Diagram
Use Case diagrams show the various activities the users can perform on the system. The System is something that performs a function. They model the dynamic aspects of the system. It provides a user’s perspective of the system.

An actor is a user of the system playing a particular role.
Use case:
Use case is a particular activity a user can do on the system. Relationship:
Relationships are simply illustrated with a line connecting actors to use cases.

3.2.2.Class Diagram
A class diagram describes the types of objects in the system and the various kinds of static relationships that exist among them.i.e.,A graphical representation of a static view on declarative static elements. A class is the description of a set of objects having similar attributes, operations, relationships and behavior.

3.2.3.Sequence Diagram
A sequence diagram in Unified Modeling Language (UML) is a kind of interaction diagram that shows how processes operate with one another and in what order. It is a construct of a Message Sequence Chart. Sequence diagrams are sometimes called event diagrams, event scenarios, and timing diagrams

3.2.4.Collaboration Diagram
A Collaboration diagram is very similar to a Sequence diagram in the purpose it achieves; in other words, it shows the dynamic interaction of the objects in a system. A distinguishing feature of a Collaboration diagram is that it shows the objects and their association with other objects in the system apart from how they interact with each other. The association between objects is not represented in a Sequence diagram. A Collaboration diagram is easily represented by modeling objects in a system and representing the associations between the objects as links. The interaction between the objects is denoted by arrows. To identify the sequence of invocation of these objects, a number is placed next to each of these arrows.

Configuration Management
Configuration management is also used in software development, where it is called Unified Configuration Management (UCM). Using UCM, developers can keep track of the source code, documentation, problems, changes requested, and changes made. An advantage of a configuration management application is that the entire collection of systems can be reviewed to make sure any changes made to one system do not adversely affect any of the other systems 4.1.S/W Requirements

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