The objectives of this research were to develop the online leave system for human resource management organization and to study the satisfaction of users toward the system. The system could support human resource department to manage employee information position department type of leaves right and calendar activity. The employee could take a leave and check status and history of absence. The employers could approve and check history of absence and also see calendar activity and absence report of employees. The system facilitated human resource department employers and employees including paper saving. Online leave system was developed with PHP used MySQL as the database management system and designed by Adobe Dreamweaver and Adobe Photoshop. The sampling group selected by purposive sampling was 30 users. The result of this research showed that the satisfaction of users was at good level.

The objectives of this research were (1) to develop food ordering system on ipad for Huapla Chongnonsea Restaurant to meet the demands of both administrators and users and(2) to study satisfaction with the system ot administrators and users in terms of aesthetic and usability of the foof ordering system on iPad. The system development was diveded into two parts. The mobile application on iPad was developed with Objective-C and used XCode as developing tools with SOLite as the database management system on iPad. An application on server was developed with C#.NET and used Microsoft Visual Studio 2010 as developing tools with Microsoft SOL Server 2008 R2 as the database management system on server. The purposively sampling group consisted of 2 administrators (manager and cashier) and 10 users (customers of the restaurant). Results from the trial and evaluation of the system showed that administrators satisfaction in aesthetic aspect was in a very high while satisfaction in usability was in high level.On the other hand users satisfaction in aesthetic and usability was in high level.