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Bank is a production unit under the organizational structure of a business center in a school. This bank provides services in the form of savings deposit transactions and savings withdrawals. Bank customers are all students in grades ten to twelve along with teachers and employees. The information system required is a web-based school bank information system using the cash basis method so that it can assist in operational activities ranging from recording daily transactions to reporting. The research was conducted using the Research and Development (R&D) method, UML (Unified Modeling Language) modeling, the PHP (Hypertext Preprocessor) programming language with the MySQL MariaDB database. The School Bank Accounting Information System is expected to be able to solve the problems that occur in the school bank.

The shift in global paradigm and threat perspective has led to a wide variety of possible risks and uncertainties. This situation also occurs in the defense economy, so understanding the basic principles of risk and uncertainty is important, especially in a decision-making process. There are several elements and concepts that are usually used in all decision models. Almost all models, whether complex or simple, can be formulated using a standard structure and solved by using general evaluation procedures. For decisions involving a series of decisions and relating to various basic sequential conditions, the decision tree is an appropriate conceptual and schematic modeling tool. A decision tree is a schematic representation of a decision problem. A decision tree is a diagram made like a tree with branches and branches in a chronological order of events, with each having a choice and possibility of occurrence, as well as the results of each choice. The term decision tree is taken from the form of diagrams that have branches and twigs, just like a tree.

Diera digital ini sangat mempengaruhi komunikasi anak dan orang tua, seseorang yang jauh menjadi dekat dan yang dekat terasa jauh karena adanya media sosial. Banyak sekali kesalahan komunikasi yang dilakukan orang tua terhadap anak-anaknya di rumah. Orang tua yang kurang bisa berkomunikasi dengan anaknya akan menimbulkan kerenggangan atau konflik hubungan, sebaliknya orang tua yang dapat menerima dan berkomunikasi secara efektif sebagaimana adanya akan membuat anak cenderung dapat tumbuh, berkembang, membuat perubahan-perubahan yang membangun, belajar memecahkan masalah-masalah, secara psikologis semakin sehat, semakin produktif, kreatif dan mampu mengaktualisasikan potensi sepenuhnya. Karena itu, orang tua perlu menumbuhkan sikap yang tepat dan mempelajari keterampilan komunikasi yang efektif untuk menguatkan hubungan antara orang tua dan anak. Orang tua harus mengambil inisiatif dengan mengikuti beberapa cara untuk membangun komunikasi yang efektif, salah satunya melalui pendekatan behavior teknik modeling. Sasaran pengabdian adalah Keluarga Penerima Manfaat (KPM) Program Keluarga Harapan di Kecamatan Wonosegoro. Tujuan dalam kegiatan pengabdian masyarakat ini adalah memberikan metode pelatihan dalam membangun komunikasi interpersonal yang efektif antara orang tua dengan anak diera digital melalui teknik modeling. Metode yang digunakan dalam pengabdian masyarakat ini adalah modeling sebagai pendekatan membangun komunikasi interpersonal yang efektif dalam keluarga. Dalam metode modeling ini menggunakan beberapa teknik khusus yaitu teknik Symbolic Model, Live Model dan Behavior Rehearsal.. Pelaksanaan pengabdian kepada masyarakat ini, dilaksanakan dengan seminar dan pelatihan melalui ceramah, diskusi dan ramu pendapat (brain storming), tanya jawab, serta praktik secara langsung. Pelaksanaan pelatihan teknik modeling sebagai upaya dalam membangun komunikasi interpersonal yang efektif orang tua dengan anak diera digital dilakukan sebanyak 4 kali pertemuan.  Hasil yang diharapkan dari pengabdian masyarakat yang dilakukan adalah terwujud pemahaman orang tua tentang pentingnya membangun komunikasi interpersonal yang efektif antara orang tua dengan anak diera digital yang diaplikasikan dalam kehidupan sehari-hari melalui teknik modeling. Kata Kunci : Teknik Modeling, Komunikasi Interpersonal

BLDC motor applications used in various forms in instrumentation, robotics, household, and transportation. One application of transportation equipment used as a propeller of electric bicycle vehicles. The value of the bicycle vehicle adjusted to the speed set, the amount that has determined. The purpose used in this study is to improve the efficiency of the regulation of BLDC motors on electric bicycles. Indicators of increasing performance are increasingly steady-state errors, and transient response required. The method used in this research is to do mathematical modeling in the form of transfer and optimization function equations. The model used is the model with the structure of the transfer function, while the optimization method used in this study is the Ziegler-Nichols method and firefly algorithm. The firefly algorithm is used in this study to obtain optimal Kp, Ki, and Kd values. The results showed that the firefly algorithm achieved better performance compared to the Ziegler-Nichols method.

This study aims to analyze the effect of capital intensity, inventory intensity, independent board of commissioners and managerial ownership on the effective tax rate. The population in this study are manufacturing companies listed on the Indonesia Stock Exchange (IDX) in 2015-2017. The sample selection uses the purposive sampling method. The results of the sample selection obtained a final sample of 75 companies with an analysis unit of 225. The data analysis of this study used descriptive statistical analysis and Structural Analysis Modeling (SEM) with AMOS 22 software. The results showed that inventory intensity had a significant positive effect on ETR, while for intensity capital, independent board of commissioners and managerial ownership, have no significant effect on ETR. The conclusion of this study is that the size of ETR in manufacturing companies is influenced by inventory intensity. Whereas capital intensity, independent board of commissioners and managerial ownership in manufacturing companies cannot influence the size of the ETR value.  Keywords: ETR; capital intensity; inventory intensity; managerial ownership.