it is in management information system please answer quickly I don't have time only 10 minutes

Moodle is a leaming management system used in colleges and schools. Moodle is an open source software. Many organizations are using open source software because O a cost of these software's are more O b. It requires good hardware. Oc Cost of these software's are less O d. It requires a paid license to use Which of the following statements describe the Decision Support System? O a Interactive computer-based system assisting human decision maker. O b. Top Management information needs are met by DSS. Oc Tailored for strategic information needs. O d. It aims to provide timely information for strategic planning. Vodafone is a telecom company in Oman. They created a large data warehouse and then started creating smaller data marts for marketing, sales, and finance. This method of data warehouse design is known as_ O a Bottom-Up approach O b. Data mart approach Oc Top-Down approach od Warehousing approach