Optimization is an effort to obtain the best results by considering the constraints, constraints, and limitations that exist on a problem; the goal is to minimize or suppress the things that harm and maximize the things that are considered profitable. Generally, the Floyd-Warsall algorithm is widely used to solve shortest path problems, while the Prim algorithm is often used to solve the MST (Minimum Spanning Tree) problem in the Graph to minimize tree ranges or reduce the number of branches. Comparing the Prim algorithm with the Floyd-Warsall algorithm is expected to add proof if the Prim algorithm is not only used to solve Minimum Spanning Tree problem but can also solve the problem of Shortest Path Problem.
Arduino Uno water turbidity gauge has been successfully designed and manufactured. This tool is made using LDR as sensor and led as a light source to measure the water turbidity value and Arduino Uno for data processing. The existence of this tool is already familiar and comfortable to find. However, the price is relatively higher to make this tool is only owned by certain circles only. Nephelometric Method is a method of measuring the turbidity of water by passing a light source on water so that the intensity of light reflected by the substances causing turbidity can be known. With the use of led as a light source and photodiode as a light detector, and combined with processing using Arduino Uno then the voltage obtained from the LDR sensor in the form of analog data is processed into digital data and can be displayed in the LCD.
The internship program is an activity for students to apply knowledge, attitudes, general and specific skills in the workplace. The duration of this internship is a minimum of 6 months and can be extended according to the provisions or agreement between the original institution and the Internship Workplace. Students must be guided by internal supervisors from lecturers and external supervisors from the Internship Workplace. The purpose of this paper is to find and take an inventory of several businesses as partners in the implementation of student internships at the Faculty of Teacher Training and Education, Santo Thomas Catholic University, Medan. Literature research on ideas was reviewed, various literatures were collected and analyzed descriptively. This study shows that there are several businesses that can be used as student internship partners. Such as multi-language internships in Altissia - Belgium, IT Internships at Smartinternz - Singapore, Hospitality Internships in Hotels in Asia Pacific, Middle East and Australia countries, and Internships on Cruise Ships. This program is to encourage students to be able to master various competencies and this program is expected to enable students to improve the competence of graduates, both soft skills and hard skills, to be ready with the needs of the times and prepare graduates who are superior, moral and ethical.
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