Scenario: Imagine you are working for a medium$-$sized retail company called "TechTrend Electronics." TechTrend Electronics specializes in selling the latest gadgets and electronic devices. As a part of their efforts to streamline operations and improve customer service, the company has decided to implement a new information system.This information system will integrate various aspects of the business, including sales, inventory management, customer data, and online ordering. It will also provide real$-$time insights and analytics to help the company make informed decisions.Questions:

$1.$ Define what an information system is and explain why it is crucial for TechTrend Electronics in their pursuit of improved business operations.

$2.$ Identify and describe at least two types of information systems that TechTrend Electronics might use in their operations. Explain the primary functions and advantages of each type.

$3.$ Discuss potential challenges and risks that TechTrend Electronics might encounter during the implementation of their new information system. How can the company mitigate these challenges to ensure a successful integration?