During the Covid-19 pandemic there were many impacts on the community such as social, educational and financial problems, therefore the government as the highest authority in society made a policy for the Pre-Work Card program as a solution to one of the problems, especially in the economic sector that was felt by the community, such as overcoming the problem of unemployment, layoffs, and poverty. With the help of the Decision Support System, it is hoped that they will be able to make the best decisions for prospective Pre-Employment Card recipients. This study aims to determine the best alternative that fits the criteria according to the requirements of the Pre-Work Card by using the MOORA (Multi Objective Optimization On The Basic Of Ratio Analysis) method

One of the courses in higher education, especially in the field of computers, is cryptography. The rapid development of technology today proves that it is easy to commit crimes using computer science in the video field. In addition, from time to time more and more free video editing software and easier to use. However, the development of this technology is often misused by cases of scattered videos that cannot be trusted by the public. Video file forgery is an act of modifying documents, products, images or videos among other media. This video, which is very easy to edit and fake, has made many irresponsible people destroy the authenticity of the video and spread the video to social media so that the information or message in the video can change its authenticity. Computer-based learning is one way to improve the quality of learning. Various methods that can be applied in computer-based learning, one of which is CRC32 (Cyclic Redundancy Check) can be used to ensure the integrity of the data to be transmitted or stored. CRC works in a simple way, namely by using a mathematical calculation of a number called a checksum, which is made based on the total bits to be transmitted or to be stored. CRC is designed in such a way as to ensure data integrity against random degradation due to noise or other sources (media corruption etc.). So that later the learning application that will be made can help students in the process of answering about material concerning the authenticity of a video file more easily and can be understood using the CRC32 method. In addition, it is hoped that the learning application which will be made more interactive is able to attract students' interest to be more curious

Every soccer team has a standard that is used by coaches in determining athletes that fit the criteria owned by athletes. In this study, researchers used a decision support system (SPK) with the Weight Sum Model (WSM) method, which assesses the results of the criteria needed in the selection of soccer athletes. Decisions made in applying the WSM method will produce recommendations according to the standards used by the trainer. The purpose of this research is to apply the WSM method in selecting soccer athletes based on the desired category. The existence of this system is expected to make selection more objective for trainers in making decisions

Decision support system is an information system that helps decision makers in solving unstructured problems. Implementation of method methods in problem solving will make the results provided by decision support systems more effective and accurate. In this study researchers discussed the implementation of Preference Selection Index in producing business actors who will get the People's Business Credit fund. The application of the PSI method in this case helps decision makers without having to give weight to any criteria on which consideration is given to produce a decision.