Android<span>, </span>iOS<span>, Windows and </span>Blackberry<span> devices.</span>
An administrator should ensure this requirement by creating a process builder to set the field.
<h3>What is a billing system?</h3>
A billing system is a complex software that enables service providers' order to cash process (O2C) and sends invoices, tracks, and processes payments for different consumers.
It is the process by which a business bills and invoices customers. Billing systems often include payment software that automates the process of collecting payments, sending out recurring invoices, expense tracking, and invoice tracking.
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Answer: They belong to a category of software known as Application program
Explanation: an application program is a computer program that is designed and implemented to carry out a specific task or for a specific purpose. Spreadsheet programs for instance are designed and implemented to carry out mathematical calculations, gaming programs for recreation, web programs for connecting to the internet and email programs for sending and receiving of emails.
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