Final answer:
A Decision Support System (DSS) is a computer program that helps marketing managers gather and analyze data to make informed marketing strategy decisions.
Step-by-step explanation:
The computer program that makes it easier for a marketing manager to get and use information and turn it into knowledge to make informed marketing strategy decisions is called a Decision Support System (DSS). A DSS is designed to assist managers in making complex decisions by providing them with relevant data, analysis tools, and interactive interfaces. It helps the marketing manager gather and analyze data, generate reports and insights, and ultimately make more informed decisions.