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Learning evaluation is needed to determine the success of implementing educational institutions. Assessment of the learning process can be in the form of a short answer test,an essay, or multiple choice. As the main parameter, the exam must have an assessment rubic and competitive questions and become a significant part of the learning benchmark. The test results must be valid and reliable to determine whether the learning system has been appropriately implemented. In the digital era, it is necessary to have a fast and efficient test and have accuracy in giving short answer scores or essays. Teacher educators and lecturers will have a value gap when correction is made. Gaps are detrimental to students when answering questions from exams that have been carried out. Using cosine similarity and dice similarity is one solution to evaluating student learning. Cosine and dice similarity will compare the students' answers with the answer key. The smaller the error value of the responses obtained, the participants' answers get a high accuracy value. The value of the small error given by the two algorithms, cosine similarity in the short answers to the student exams, receives a score of 21%. 16.21% error value generated by dice similarity in quick answers. [ABSTRACT FROM AUTHOR]

The Vokasiku is a mobile application that provides certification test services, online courses, and information about scholarships and job vacancies. The Vokasiku application was released on April 27, 2020. The users are still few and still need improvement. One of the important aspects of software is usability. Usability describes the perception of user experience related to effectiveness, ease, and satisfaction in using the product. The usability evaluation of the Vokasiku application is carried out using a user approach in the test, namely the Think Aloud method. Measuring the level of user satisfaction is done by using the Questionnaire for User Interaction Satisfaction (QUIS). After testing by the user, there are several errors in the application, so it is necessary to design a user interface to solve the problems experienced by the user. The user interface made is a high-fidelity prototype and front-end application. The design results will be re-evaluated until the usability value increases and no major problems are found. [ABSTRACT FROM AUTHOR]