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System analysis

4. 1 Introduction

System analysis is a major activity which occurs when we are structure a latest system or changing one. Analysis will help us to understand about the prevailing system and will know the requirements necessary for the latest system. And when there is no accessible system then system analysis will defines only the necessity.

In system analysis the most crucial factor is to identify and rectify problems in system. A proper understanding of the machine will enables artist to comprehend and rectify the machine problems.

Existing Software

The software is integrated in the system hard disc to the server. The server program works constantly and waits for a link with be recognized to it and can make available online system to automate different operations completed in the network.

2. 1. 1 Existing System

In past the company personnel uses the legacy system of holding interoffice mails by the messengers from one end user to other individual of the business or they can also use the intercoms for call seminar or even occasionally emails are used for transmit of text messages between the group community

There are some disadvantages in existing system

* Tedious subject matter broadcasting system.

* Communication is not instant.

* Message copy is done through insecure communication media.

* Communication delays.

* Preserving the identities of all members is not successful. Like using manual books, diaries, etc. , for storing of users information.

2. 1. 2 Proposed System

To beat the shortcomings of the traditional systems, the task aims at creating a multithreaded public messaging system for broadcasting announcements to every member in the route; that allows multiple people (users) to connect to each other in a shared environment.

The proposed system aims to satisfy the following:

ѕ Showing of data in a genuine time environment, i. e. , the info broadcasted can be edited online and viewed simultaneously.

ѕ Providing fast, secure, reliable and cost effective broadcasting communication medium between community members.

ѕ Support for open public and private stations of communication.

ѕ Multiple press transmitting support; like speech, content material, images, etc.

ѕ Personal peer messaging service.

ѕ A user-friendly interface

2. 2 Necessity Analysis

Requirement evaluation provides software artist with a model of:

˜ System information

˜ Function

˜ Behaviour

Model can be translated to data, architectural, and component-level designs.

2. 2. 1 Evaluation Objectives

˜ Recognition of the customer's needs.

˜ Analysis of the system for feasibility.

˜ Perform complex analysis.

˜ Establish constraints.

˜ Create system definitions

2. 3 Software Requirements Analysis Phases

Problem identification:

The existing system provides the information about products by means of Local Advertisements advertising and paper advertisements. This is not sufficient to attain the end end user properly. So, the company management is ready to keep up a web site which one completed all company in detailed.

Evaluation and synthesis:

After getting the clear problem definition we focused on what to do however, not how to do. Ways to solve the problem and among the various ways we found and we picked the ultimate way to solve the situation.

Modeling:

We made a difficult diagram of the suggested system and exhibited it to the clients to confirm whether their specs are completely stated in that or not.

Specifications:

The software and hardware requirements and complete specifications are known. The efficient and non efficient requirements are known.

Constraint:

The constraints are known and a definition of the machine is given.

Review:

A overview of the complete process everything we did and the result are proven to the customers.

2. 4. Feasibility Analysis

Feasibility study is conducted once the problem is clearly known. It is a high level capsule version of the whole System Analysis and Design process. The primary objective is to regulate how to solve a problem quickly, at a minimum expense and to check if the problem will probably be worth solving. This system has been tested for feasibility in the next points:

˜ Operational Feasibility

˜ Techie Feasibility

˜ Economical Feasibility

2. 4. 1 Economic Feasibility

Economic feasibility is the most regularly used method for evaluating the effectiveness of the proposed system. During review costs are considered like costs of hardware, minimum configuration, system compatibility of H/W, etc. , the suggested system minimizes enough time effort of the info collection, answering inquiries and generating accounts which results in significant cutting down. Thus, the suggested system is financially feasible.

2. 4. 2 Operational Feasibility

Proposed tasks are beneficial only when they can be turned into information systems that will meet the requirements. As current business methods aren't suitable to the users in terms of acceleration, timely and correct results, users welcomed a big change that provides about a more operational and useful system. With all the rarely involvement it reduced the chances of resistance to the machine and change generally and increased the probability of the project effectively.

2. 4. 3 Technical Feasibility

It centers on the prevailing computer system and also to what scope it can support the proposed system. The system can be widened as the need arises. While using obtained technology there may be guaranteed of precision, reliability, simple access and security. Thus, it is theoretically feasible to design and develop the proposed system.

3. SOFTWARE Necessity SPECIFICATION

3. 1 Software Requirements

OPERATING-SYSTEM : Windows XP, LINUX

Languages : Java

Java compiler : J2sdk1. 4

3. 2 Hardware Requirements

Processor : Pentium III & above

Memory : 256MB

Hard Disk : 20GB

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