Corn Seed is a very popular commodity plant planted by farmers especially Indonesia because many people use this plant in addition to its many benefits it is also a food crop. Users usually have difficulty choosing Corn Seeds to be bought because of the many types of Corn Seeds, soil construction, and prices. So we need a decision support system that can help users determine the Corn Seed according to the desired alternatives and criteria. In this study, the method used is Simple Additive Weighting (SAW), providing information and assisting farmers in making decisions about the superior corn seedlings they will use. Corn seeds are very important for us because corn seeds are the main factor and determinant of the success of farmers in Gumuk Rejo village. In making the decision support system application selection of superior corn aunt uses the PHP programming language and uses the MySql database.

Absence is an activity or routine by a teacher or lecturer to prove that the student is present or not in a class or meeting. There are some obstacles that occur in the recording and reporting absentee written manually, such as the error of writing the name, there is a column that missed or forgot to record the date and lost or rain because the form of paper, and so forth. Therefore, researchers build an online attendance application that uses Android. This research produces an Attendance application and an online value record based on Android