Smartphones today has become a necessity, including for children. Today, many children are used to using smartphones. Children often play games, watch youtube, enjoy chatting in social media and use Google for information search. This can be a good step so that children easily adapt to technology but can also have a negative impact. Parents must be vigilant if they see children often playing smartphones. It is important for parents to be able to control and supervise the use of children's smartphones. One solution is to use the Parental Control application. This smartphone child application can be set which applications are permitted and restrictions on playing time can be controlled. This is very good for healthy internet use among children. Screen Time is a parental control application that is useful for selecting, limiting, and supervising children's smartphone usage. This application has many features of control, supervision, scheduling and giving additional rewards for playing time if the child is doing a good assignment. By using these apps children can be set to play smartphones according to family need .

Dunia internet merupakan jaringan global yang dipublikasikan kepada umum. Didalam internet ditemukan berbagai macam tindakan positif dan negative. Kalau berbicara dalam jaringan pada internet, lalu lintas informasi sudah sangat cepat. Jaringan internet masa sekarang sudah semakin mutakhir, Maka perlu keamanan untuk mengantisipasi perbuatan negative di internet. Salah satunya dengan berhati-hati dan bijak dalam mengambil aplikasi dari internet dan selalu menjaga kerahasiaan, serta menggunakan Anti Virus untuk membentengi sistem komputer untuk mencegah terjadi sesuatu yang tidak di inginkan pada saat sedang melakukan aktifitas yang terkoneksi dengan internet, seperti menyusupnya virusvirus seperti adware, spyware, malware, dan lainnya kedalam komputer kita dan mengawasi aktifitas surfing kita di dunia Internet. Virus spyware merupakan program yang dibuat untuk memata-matai komputer korbannya. Bila sudah terinfeksi virus spyware sudah tidak ada rahasia lagi dalam komputer korban. Dalam percobaan spyware menggunakan aplikasi Vmware akan membuat dua komputer virtual. komputer pertama sebagai penyerang dan satu lagi menjadi target serangan spyware. Dua komputer virtual diciptakan menggunakan aplikasi vmware. Penyerang menggunakan sistem operasi backtrack untuk menyerang target, sedangkan target korban menggunakan sistem operasi windows. Aktifitas dari komputer target yang terkena virus spyware terlihat segala aktifitasnya bisa dipantau, dikontrol bahkan bisa juga di ambil alih kewenangan sistemnya.

Ecotourism development strategy in Kelimutu National Park (KNP) is very necessary because KNP has enormous potential for ecotourism development. The potential is either in the form of flora, fauna, geology, environmental beauty, and cultural potential of the surrounding community. The aims of this study are to know the right strategy in ecotourism development and determine the priority scale of ecotourism pathways development in KNP. This study uses a case study approach. Data were collected through in-depth interviews of KNP management, stakeholders in the management of ecotourism of KNP, communities around KNP, and observation. The data were analyzed using stakeholders analysis to determine the stakholders that involved on ecotourism management in KNP, SWOT (Strength, Weakness, Opportunities, Threats) analysis to determine the right strategy in ecotourism management, and AHP (Analysis Hierarcy Process) to determine the priority scale of ecotourism development from several ecotourism pathway in KNP. The results show that the most appropriate strategy in the development of ecotourism in KNP is offensive strategy (taking advantage of opportunities and strengths owned), and ecotourism pathway that get the first priority to be developed is the Moni Pathway, the second is Wologai Pathway, the third is Sokoria Pathway, and the fourth is Niowula Pathway.

Sistem kasir pada badan usaha Toko Warna masih menggunakan pelayanan penjualan yang masih cara manual, yaitu kasir hanya menggunakan perhitungan manual dengan sebuah kalkulator dan pendataan barang masih manual dan mengakibatkan sangat tidak efektif dan efisien dalam melakukan transaksi. Fasilitas dan pelayanan terhadap kasir diharapkan dapat diberikan secara otomatis sehingga tidak mengganggu dalam transaksi pada pelanggan, dan apabila terjadi kasir tidak perlu memberikan pelayanan yang secara manual. Model implementasi sistem kasir berbasis web memungkinkan sistem digunakan oleh kasir dan admin secara otomatis menghitung pemesanan barang dalam transaksi penjualan. Penggunaan sistem kasir berbasis web ini dapat melihat grafik penjualan yang di masukan dalam sistem sehingga pemilik toko dapat memantau kenaikan atau penurunan dalam bertransaksi. Metode yang akan digunakan adalah Metode Spiral yaitu model proses perangkat lunak yang memadukan wujud pengulangan dari model prototyping aspek pengendalian dan sistematika. Perancangan sistem informasi kasir penjualan barang toko serba ada pada toko warna melakukan transaksi, pengolahan data, dan pencetakan laporan yang secara otomatis berbasis web apabila berjalannya akan terjadi perubahan sistem yang tadinya manual menjadi terkomputerisasi.

<p><em>In recent years cases of cyber attacks that lead to website security have increased. The most widely used website hacking threat is sql injection. By using the sqlmap tool that runs on the Kalilinux  operating system, attackers can easily take over very important user authentication data with their passwords. Attackers only use a special SQL query script using the python programming language will force the web server to output database information, tables, columns and data contents. This sql injection technique is not difficult, knowing how sql injection works is expected to be useful for web admins and web application developers to be able to secure user access from attackers. This attack simulation uses a virtual machine, by creating two virtual computers that are scripted as the attacker and the target server. By testing through this simulation, we can find out how the attack process and the consequences of attacks carried out by attackers.</em></p>

The utilization of briquettes as a source of electricity generation is still low due to the briquette characteristics that have high moisture content. This research analyzes the briquette's potential as a source of electrical energy by utilizing its syngas with microturbine gas. The high quality of syngas can be reached by the optimal combustion chamber design. Therefore, the research aim is to be able to design the optimum combustion chamber for the briquette combustion process to generate the syngas. This research method uses two steps, i.e., the design of the combustion chamber and numerical analysis of the briquette combustion process through Computational Fluid Dynamics (CFD) simulations. Numerical analysis of the combustion process using three types of briquettes with different inorganic waste compositions, i.e., K1 type, K2 type, and K3 type. The research results explain the optimum design of the combustion chamber with a total length dimension of 220 mm, an inlet fuel section, and combustion chamber-syngas pipeline diameter of 50 mm and 75 mm, respectively. In addition, the dimensions of the primary air holes are 7 mm, and the secondary air holes are 5 mm. Type K1 briquettes are capable of producing syngas (kg/s) consisting of 6.9x10-13 CO, 3.04x10-31 H2, and  1.8x10-20 CH4. That syngas composition includes in the criteria of syngas in the microturbines gas that produce electric power of 2.3-2.5 kW. The conclusions explain that the combustion chamber can be added to the microturbine gas component, and K1 type briquette can be a solid fuel.

The export duty policy was initially intended to increase the value added of cocoa beans. On the other hand, in the past few years there has been a significant increase in imports of cocoa beans to meet the needs of domestic industrial in order to keep running optimally and can create added value. To assess how much influence the export duty policy for cocoa beans, the import of cocoa beans, the export of cocoa beans and the price of cocoa butter on the development of exports of cocoa butter, this study uses a quantitative approach using secondary data from various sources. The results of the analysis show that the development of the export of cocoa butter is significantly influenced by the amount of cocoa bean imports and the export of cocoa beans. but the price factor of cocoa butter and the amount of export duty does not significantly influence. This shows that the main problem is the performance of the cocoa processing industry which is strongly influenced by the availability of raw materials. In addition, although an increase in imports of cocoa beans can still be offset by an increase in exports of processed cocoa products that have added value.                    Kebijakan bea keluar pada awalnya ditujukan untuk peningkatan nilai tambah biji kakao. Di sisi lain, dalam beberapa tahun terakhir terjadi peningkatan impor biji kakao secara signifikan untuk pemenuhan kebutuhan industri domestik agar tetap berjalan optimal dan dapat menciptakan nilai tambah. Untuk mengkaji seberapa besar pengaruh kebijakan bea keluar biji kakao, impor biji kakao, ekspor biji kakao dan harga cocoa butter terhadap perkembangan ekspor cocoa butter, penelitian ini menggunakan pendekatan kuantitatif dengan menggunakan data sekunder dari berbagai sumber. Hasil analisis menunjukkan bahwa perkembangan ekspor cocoa butter secara signifikan dipengaruhi oleh besaran impor biji kakao dan ekspor biji kakao. Sedangkan faktor harga cocoa butter dan besaran tarif bea keluar tidak berpengaruh secara signifikan. Hal ini menunjukkan bahwa permasalahan utama adalah pada kinerja industri pengolahan kakao yang sangat dipengaruhi oleh ketersediaan bahan bakunya. Selain itu, walaupun terjadi peningkatan impor biji kakao masih dapat diimbangi dengan adanya peningkatan ekspor produk kakao olahannya yang memiliki nilai tambah.

To welcome the era of technology 4.0, and there are still many human resources who do not understand how to apply the technology that is currently developing, it is necessary to have socialization and training in the Cipurut Village environment.  With the current condition which is still in the covid-19 pandemic, almost all activities use the internet, such as education and services to the community. With the development of the digital world today, many things, especially those related to educational activities and services to the community, can use the digital system, making it easier and more practical. With many people, especially human resources at the Cipurut village office, who do not yet understand digital technology, it is necessary to have the training and workshops to improve the competence of human resources.As a result of the current use of technology, the existing community can already use it to help their activities, such as online sales, public services, etc. For village officials themselves, they can use digital technology to assist in providing services to the community.