No abstract

Medan is one of the historical towns in Indonesia, where the plantation industry triggered its growth. Until today, most of the heritage buildings remain, but many of them tend to damaging and distinction, including the Warenhuis. The Warenhuis in which has a very high architectural significance is located in the historic district of Kesawan which as the historical core of the Medan city. Therefore, this study aims to explore the adaptive re-use strategy for the Warenhuis through the historic urban landscape approach by completing the literature review, field survey, and questionnaire. Based on the analysis, it was highlighted that one of the best strategies is the mix-use concept by utilizing the vacant lot next to the building and the Deli River as a center for art and culture which can accommodate art activities and culture of the town. Medan City has a diverse culture and society. Many arts and cultural activities need the right place to be an alternative attraction in the city of Medan. Therefore, it can attract more tourist coming to this area by implementing this strategy. Besides the revitalization of Warenhuis area can accommodate the problem of parking within this historic area, which often causes traffic congestion.

Cryptography is the study of system security, where the system needs to be secured from interference or threats from irresponsible parties. In everyday life, fraud is often found in important data, one of which is cashier system data. To prevent and overcome this, the concept of network security with the Blowfish Algorithm will be applied. One of the cryptographic algorithms is the Blowfish Algorithm. The Blowfish algorithm is quite simple but strong enough because it has a long keyspace, making it difficult to attack. Unexpected things often occur such as foreign parties who want to enter the system by repeatedly trying the possible username and password, or foreign parties changing the data in the cash register at Dota Café. This system will function to monitor system activity, in this case if the system feels a threat or system disturbance is found.

Era Revolusi industri 4.0 saat ini muncul sektor ekonomi digital yang melengkapi sektor ekonomi konvensional (non - digital) yang telah ada sebelumnya. Ekonomi digital banyak diartikan sebagai kegiatan ekonomi yang menggunakan teknologi digital dimana transaksi dilaksanakan melalui internet. Layaknya kegiatan ekonomi pada umumnya yang sangat membutuhkan infrastruktur untuk tumbuh, berkembang dan maju. Kondisi masyarakat di daerah yang pada umumnya belum begitu familiar dengan internet sebagai salah satu pendukung kegitatan UMKM. Salah satu upaya meningkatkan perekonomian masyarakat wilayah perbatasan adalah melalui pemberdayaan usaha mikro, kecil, dan menengah (UMKM). Hadirnya teknologi informasi (TI) mengubah cara dalam bisnis dengan memberikan peluang dan tantangan baru bagi pengembangan UMKM. Tujuan pengabdian ini adalah untuk menggambarkan cara pemanfaatan TI dalam pengembangan UMKM. Metode penelitian yang digunakan dalam penelitian ini adalah mix method yaitu pengumpulan data dan menganalisis data serta perpaduan pendekatan kuantitatif dan kualitatif melalui beberapa fase proses penelitian. Hasil pengabdian ini, secara umum dapat digambarkan bahwa penggunaan TI di kalangan pelaku UMKM di Lumban Pea Timur Kab. Toba Samosir dimana relatif masyarakat sudah baik dalam hal kemampuan para pelaku usaha mengoperasikan komputer maupun dalam hal mengakses internet. Dikarenakan pemanfaatan komputer dan internet untuk mendukung pengelolaan atau manajemen UMKM mereka pada umumnya relatif masih rendah. Hasil penelitian ini juga sangat jelas menggambarkan bahwa persoalan tingkat pendidikan pelaku UMKM sangat berkorelasi dengan kemampuan mereka memanfaatkan TI sebagai sarana pendukung pengelolaan UMKM.