computer can also store data, improve data and retrieve the information needed, the data or information is stored in the form of files, the existence of these computer aids will solve the problem can be overcome.

During the Covid-19 pandemic, which has not yet ended, the business of selling honey is a type of business that is able to survive and even increase its market. The trend of selling honey in the era of the Covid-19 pandemic is quite stable and has the potential to be a good source of income because honey can be used as medicine and can increase the body's immunity. Fitorajo Bee Farm is a UMKM engaged in bee cultivation which is located in Pinang City, South Labuhanbatu Regency, North Sumatra Province with original honey bee products packaged in plastic bottle containers. The marketing system carried out by Fitorajo Bee Farm is carried out through word of mouth, Facebook social media, or through the WhatsApp application. Seeing the promising potential of the honey business in the Covid-19 pandemic era, and in order to reach a wider market, Fitorajo Bee Farm should improve and innovate by adopting e-commerce technology. Conventional marketing, which so far only reaches consumers on a limited scale, must be changed with a marketing system that can reach consumers from any corner. The purpose of this research is to build a marketing media for Fitorajo Bee Farm honey bees by implementing web-based e-commerce. The system development method used is the waterfall model, while the programming language used is PHP framework codeigniter with MySQL DBMS. The results showed that the codeigniter framework and MySQL DBMS can be applied to build e-commerce web-based honey bee marketing media.

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Satisfaction is a feeling of pleasure at something you like, you get it from goods and services. Satisfaction becomes an important assessment when someone sells goods or services. This is because satisfaction will be an assessment of the goods purchased by consumers or services that will be received by consumers. Therefore the authors make research about the level of consumer satisfaction in shopping. This research was made using the Naïve Bayes method and used consumer data as sample data which used 49 consumer data. By using the Naïve Bayes method, this study aims to see the level of consumer shopping satisfaction, it is made to see the results of a consumer's satisfaction, sometimes there are some consumers who are dissatisfied with the reason the product is not good and some are satisfied with the reason the product is still new and good. Therefore this research was made. This research was conducted using the naïve Bayes method with the first stage being data analysis, then data preprocessing, then naïve Bayes algorithm and finally system testing. After system testing is carried out, classification results will be obtained using the naïve Bayes method. Classification results stated that as many as 47 consumers were satisfied shopping and as many as 2 consumers were not satisfied shopping. The conclusion is that a lot of consumers are satisfied with shopping, meaning that the place is very good and liked by many consumers.

Tingginya angka kriminalitas di Indonesia telah berdampak buruk dan merugikan masyarakat, sehingga berbagai upaya telah dilakukan untuk meningkatkan kesadaran dan keamanan di masyarakat. Pencurian kotak amal adalah target kejahatan bagi penjahat. Untuk itu perlu diambil langkah tegas dalam hal kewaspadaan dan keamanan agar tindak pidana pencurian kotak amal dapat dihindari. Salah satu langkah untuk meningkatkan kesadaran dan keamanan adalah dengan menerapkan konsep keamanan pada kotak amal. Dengan memanfaatkan beberapa sensor pendukung dan komponen pendukung pada kotak zakat maka sistem keamanan akan bekerja secara otomatis, sehingga jika terjadi pencurian kotak zakat maka sistem akan memberikan notifikasi notifikasi SMS kepada pihak pengelola masjid. Penelitian ini difokuskan pada masalah fasilitas keamanan dan pengawasan kotak amal di masjid atau mushalla. Menggunakan sistem ini akan mengurangi resiko pencurian kotak amal di masjid dan mushalla, karena selain dilengkapi dengan alarm dan SMS gateway, sistem ini juga dilengkapi dengan RFID sehingga akses membuka kotak amal bisa lebih aman. Bentuk sistem ini bekerja jika kotak amal diangkat atau dibongkar secara paksa, sistem akan memberikan notifikasi berupa alarm dan SMS, sehingga tindak pidana pencurian kotak amal dapat lebih diwaspadai.

Education is learning science, skills that are carried out by a person or a group of people. The education level starts from Elementary School Education, Junior High School and High School. Apart from that, the highest level of education is college. Lectures are further education carried out by people to gain knowledge and degrees. In college education everyone can choose their respective majors, according to their wishes and desires. With college education, there will be many prospective students who will go to college. But the interest of prospective students to study varies, there are some prospective students who want to study in public and there are some who want to study privately. Therefore the author will make research about prospective students' interest in college. This study aims to see the college interest of prospective students. For this research a data classification of prospective students will be carried out using the Decision Tree method. For this research stage using the Decision Tree method, the first is data analysis, then data preprocessing, then the Decision Tree method design and finally data mining testing. The classification was carried out using the Decision Tree method using 65 prospective student data. From the results of the classification using the Decision Tree method, the results of the Classification of prospective students who are interested in studying are 46 prospective students. The classification results above show that many prospective students are interested in studying.

The development of the times resulted in the development of technology to date. With the existence of technology, many people have used technology to help their daily activities. In this study, the author will discuss the technology that is often used by students to help them with their assignments, namely laptops. Laptop is a technology that has been widely used by students, teachers and the public. Having a laptop can make things easier. Until now, each laptop brand continues to develop their laptop production laptops with good specifications. Until now, almost all laptop brands have made gaming laptops that are actually intended for people-people who play games. But with good specifications, gaming laptops can also be used for daily activities. With an attractive design and good specifications, of course you can attract student and public interest in gaming laptops. Therefore the authors made a study of student interest in gaming laptops. With good design and specifications on gaming laptops, the author aims to classify the number of students who are interested and not interested in gaming laptops. The classification will be carried out using the Naïve Bayes method with the number of sample data used as many as 100 student data in data mining. The classification results obtained were 55 students (55% representation) interested in gaming laptops and 45 students (45% representation) had no interest in gaming laptops. The results show that not all students are interested in gaming laptops, even though they have laptops design and great specs.

Labuhanbatu is a regency in North Sumatra Province which is geographically located on the main route of the east coast of Sumatra. Due to its geographical location, this district has an increasing population. Employment problems in Labuhanbatu Regency which are estimated to be increasingly complex, not to mention driven by the increase in the Open Unemployment Rate (TPT) in Labuhanbatu Regency, encourage the local government to expand and develop employment opportunities. However, Labuhanbatu Regency does not yet have a job vacancy information system that can be accessed by job seekers and companies. Online job vacancy information is a solution in providing information that has a very significant impact in saving time and costs compared to job vacancies in print media. The online job vacancy portal has succeeded in filling the vacancy for job vacancies. This study aims to design and build an online job vacancy application in Labuhanbatu Regency. The system development method used is the waterfall model, while the programming language used is PHP and MySQL DBMS. After designing and implementing the system, it was found that the System Development Life Cycle (SDLC) method with the waterfall model could be applied to build an online job vacancy application in Labuhanbatu Regency. It is hoped that this online job vacancy application can make it easier for job seekers in Labuhanbatu to receive job vacancies information so that the unemployment rate in Labuhanbatu Regency can be suppressed.