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Effects of Icts

In: Other Topics

Submitted By kairuthia
Words 1448
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3.0Requirements Analysis and Specifications

3.1.1. Functional Requirements
1. The system should be able to automatically update and retrieve client loan details whenever required by users.
2. The new system should be able to limit errors during data entry by users.
3. The system should provide a high level security for transactions
4. The system should be able to accept data from users through use of interface and interactive forms. 5. The system should allow management of loans which includes creation, modification and deletion of the loans records within the system.

3.1.2Nonfunctional requirements Usability
The loans processing System strives to be as simple and intuitive as possible.
The interface will be easy to understand and use, for different users with different access to the system’s services. Customers having laptops with internet connectivity will be able to access loans processing system. Customers using cell phones are able to see the amount awarded and interest rates charged.
As a web-based system, the loan processing System will be very reliable. The customers will be able to access it with ease and get all the information with less complexity. Performance
Performance for any web application should be as high as possible. When working with a cell phone, only the most necessary data is sent. Because there is very little searching the system shouldn’t see much lag. Because the interface will be visually simple, the time to information will be based largely on database queries, keeping wait times to a minimum. Supportability
If an error occurs in the system, the user is notified and given the option to submit the error to the server. The error is logged in a log file for the administrators to look at. Interface
Sacco loan processing system will have two main interfaces, the one for customers using cellphones, they will access mainly the application forms, loan types, interest rates and the amount awarded. The other inter face is for those using computers, they will access all those

Information accessed by those using cellphone but also they can view other information like images and reports.
3.2.1 Hardware requirements
For efficiency especially when handling large volumes of client transactions over the intranet, the server on which the software is installed should have:
1. A fast Central Processing Unit
2. A large amount of RAM (1028MB is desirable)
3. Enough hard disk storage space (1.2 Terabytes)
4. Recommended processor speed of at least 900 MHZ, Intel Pentium
5. An interruptible power supply (UPS)

3.2.2. Software requirements
The computer needs to be running an operating system windows 7 or windows 8 and also windows XP.
The browser to use need to be either internet explorer, Google chrome or Mozilla Firefox
The database software to use is MYSQL and wampserver.
4.1 Methodology
The methodology that the researcher will use is traditional system development life cycle (SDLC), this model is used to develop, maintain and replace information system
4.2 System context The context diagram is as shown below Customer
Loan processing system
Loan processing system Register for membership Confirms registration Check loan status Loan status Check Customers’ details Request for and approve loans Customers` details Loan officer
Loan officer

4.3 system architecture
An association model (UML)
Objects and object classes participate in relationships with other objects and object classes



4.4 high level designs 4.4.1. functional-oriented design/ object oriented design
The Object Oriented (O-O) paradigm being the natural way of implementing UML designs, the
Implementation of the tool was done using the O-O style. The programming languages of choice were PHP and MYSQL. The detailed documentation obtained at the detailed design stage will be translated into classes of the target programming language. An attempt at separation of the graphical user interface (GUI) and the functionality will be made. This is to enable the development of a loosely coupled system.

Object oriented design is a software engineering approach that models a system as a group of interacting objects where each object represents some entity of interest in the system being modeled.
This can be represented using: a. Class Diagram
UML class diagrams according to Object Management Group (2003) are the mainstay of object- oriented analysis and design. UML class diagrams show the classes of the system, their interrelationships, operations and attributes of the classes.

IdNo: string
Accountno: string
Name: string
Contacts: integer

Register ()
Update details ()
Leave ()

IdNo: string
Accountno: string
Name: string
Contacts: integer

Register ()
Update details ()
Leave ()

Customer object class (UML)

Loan Officer
IdNo: string
Name: string

Check details ()
Update details ()
Issue Loans()
Leave ()

Loan Officer
IdNo: string
Name: string

Check details ()
Update details ()
Issue Loans()
Leave ()

Loan Officer (UML)

4.4.2 User interface design
User interface Forms Homepage
It provides options for users to login. These users can be loan officers or managers requiring information about an existing client or enter information about a new client
Client Registration Form
When a person expresses interests in becoming a customer of the Sacco information has to be obtained and stored in the database. It is assumed that customers should first open the accounts in the Sacco before they can proceed requesting for loans. It is user friendly as it allows deletion of unnecessary information and saving of the correct information
Screen showing categories of loans
This shows the types of loans that are available in the Sacco
Loan Application form
This shows the amount the client wants to borrow and also the period that he will be able to repay back the loan
Loan decision form
This will show whether the loan has been accepted or rejected
System Construction
The software is developed in PHP/DREAMWEAVER, JavaScript and HTML with a MySQL database back end.
6.1 Testing Results 6.1.1 Unit testing Unit testing was done in which each module of the loan processing system was tested separately in an attempt to discover any errors in the codes (module testing). 6.1.2 System testing
System test evaluated a systems operational effectiveness and suitability. The purpose of testing was mainly to find out if the system satisfies the user requirements. System testing was performed after unit testing was done in which each module of the loan processing system was tested separately in an attempt to discover any errors in the codes (module testing). After that, system testing was made in which all the components of the loan processing system were brought together and tested. 6.1.3 Reliability prediction/statistical testing
Reliability prediction shall assist in predicting the failure rate of components and overall system reliability. This shall be carried out by comparing the reliability of the existing system with the new system.

Chapter 7
7.0 Conclusions and Recommendations
7.1 Conclusion
The objectives of the study were achieved and the system that has been designed will enable managers and credit officers perform their work faster and accurately, reduce the company costs that have been incurred in providing for bad loans, reduce bias and lead to customer satisfaction as stipulated in the Sacco’s mission statement.

7.2 Recommendation
From the analysis, the following recommendations are made:
The researcher recommends that the system that has been designed can be installed in Centenary Sacco’s Information Technology System so as to enable Centenary Sacco achieve its goals, objectives and mission statement.
The policy and procedure manuals together with the designed system should strictly be followed if they are to achieve service quality and customer satisfaction as service providers.
The researcher recommends research geared towards the development of a monitoring system to be carried out encompassing all the banks within the country. This system if developed shall enable all banks to monitor individual accounts’ performance and be able to reject loan applications for typical defaulters. The bank recommended implementing that system in the Sacco and it will require co-operative effort from commercial banks and micro finance institutions in order to overcome the challenge of lack of information about bad customers. If such information is availed, it can be input in Centenary Sacco database and it will enable banks by virtue of being interconnected through a network to access and reject to offer loan to defaulters while not compromising on network security.
This is significant in that it is one of the critical issues in the determination of borrowers’ credit worthiness though it has not yet been seriously addressed.

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