ABSTRAK. Penjadwalan adalah konsep penting dalam sistem operasi multiprosesor dan multitasking pada sistem operasi waktu-nyata dengan mengalihkan proses pada CPU. Algoritma Round Robin adalah algoritma yang terkenal pada penjadwalan CPU. Algoritma Round Robin memberikan waktu quantum antara pengalihan proses. Memilih waktu quantum dalam Algoritma Round Robin sangatlah penting, waktu quantum besar akan mengakibatkan context switching lebih sedikit, sementara waktu quantum lebih kecil akan mengakibatkan context switching yang lebih sering. Algoritma Round Robin yang efisien adalah jumlah context switching lebih rendah. Untuk waktu tunggu, ide dasarnya adalah untuk mendapatkan waktu tunggu rata-rata yang lebih kecil, sehingga sistem lebih efisien. Turn around time juga harus minimum, yang berarti juga lebih efisien. Dua studi kasus didiskusikan untuk memahami algoritma ini dengan lebih mendalam. Kata kunci: Algoritma Round Robin, waktu quantum, context switching, rata-rata waktu tunggu, rata-rata turn around time
Association Rule Mining is an area of data mining that focus on pruning candidate keys, to find frequent item set. For example, a set of items, such as milk and bread, that appear frequently together in a transaction data set is a frequent itemset. A subsequence, such as buying first PC, then a digital camera, and then a memory card, if it occurs frequently in a shopping history database, is a (frequent) sequential pattern, also knwon as market basket analysis. This paper describes the step by step classical apriori on market basket analysis. Keywords: apriori algorithm, frequent item set, market basket analysis, association rule Abstrak Penambangan Aturan Asosiasi adalah area data mining yang fokus pada pemangkasan kunci kandidat, untuk menemukan frequent itemset. Sebagai contoh, satu set item, misalnya susu dan roti, yang muncul sering bersama-sama di set data transaksi adalah frequent itemset. Berikutnya, pelanggan, misalnya membeli PC dahulu, lalu kamera digital, lalu kartu memori, jika ini sering terjadi dalam riwayat basisdata belanja, adalah pola sekuensial berurutan (sering), juga dikenal sebagai analisis keranjang belanja. Tulisan ini menjelaskan langkah demi langkah algoritma apriori klasik pada analisis keranjang belanja. Kata kunci: algoritma apriori, frequent itemset, analisis keranjang belanja, aturan asosiasi
The objective of this journal is to compare the efficiency between these two algorithms, the simple round robin and improved round robin algorithms. In real time systems algorithm, round robin plays a significant role to be used in embedded systems. Here we compare the average turn around time and average waiting time, also number of context switching between these two algorithms. Improved round robin algorithm, is an algorithm where if the remaining burst time is less than the allocated time quantum then the running process is executed. Then remove the currently running process from ready queue and put it in the tail of the ready queue while in simple round robin algorithm the remaining burst time will be executed until finish as scheduled. This comparison proves that improved round robin algorithm is more efficient, with lower average turn around time and lower average waiting time, lower context switching. There by this increases the system throughput.
Community Service Program in Real Work Lectures or PKM-KKN aims to train student soft skills. A companion lecturer is determined to guide and direct 30 students. The PKM-KKN program is carried out in Desa Sukawijaya, Kecamatan Tembelang, Kabupaten Bekasi, West Java. Our main program is technopreneur socialization and internet marketing. The implementation method is by sharing knowledge and experience through socialization activities to youth youths and students of the Aliyah Al-Hidayah Madrasah School in Desa Sukawijaya. The results of PKM-KKN activity are youth youths and students of the Aliyah Al-Hidayah Madrasah school in Desa Sukawijaya are expected to behave wisely in the use of information technology devices, especially smartphones and the internet to optimize the potential of personal competence, personal effort and the potential of Sukawijaya Village community.
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