Abstract:
The objective of this research is to develop the Truck Sales System of Chiangsang (Chiang Rai)Co., Ltd. By using the Local Area Network Computer System. This research is composite ofapplying the System Development Life Cycle with i. Study the problem of existing system. ii.Analysis workflows, data input and output. iii. Design and develop the new system to fulfill userrequirements. The last procedure is the evaluation of the system, which divided into 2 steps. Firstevaluation is to evaluate the quality of the system by the expert of system analyst and programmerbefore implement the system. The method of this evaluation is using the questionnaire. The receivedresults used for improved the system before implement the system for users. The second evaluationis done by users who are the sales department staffs and the owner of Chiangsang (Chiang Rai) Co.,Ltd. By using the questionnaire to evaluate the satisfaction of using the system by users. The resultof satisfying evaluation from the expert, we found that the expert is high satisfied with the systemand the extremely satisfied is the result from the users and owner.