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In modern times computers and laptops have roles that are very useful for human life, such as making it easir to do tasks using available applications and features and doing various businesses. Most business owners use computers or laptops to conduct their business because they are more effective and efficient. By reason of not much risk, shorten the time and decisions faster. For example, most business owner such us cafe, minimarkets, or marketing make a cashier system with the aim todoi:10.5281/zenodo.2266725 fatcat:lqtvin3tlfghbcjhrdhvmdgqgi