please help asap (subject information system)

What is IT infrastructure and what are its components?

Distinguish between operational and analytical CRM.

What is the role of information systems in helping people working in a group make decisions more efficiently?

How do systems that link the enterprise improve organizational performance?

Give a brief explanation of each element of Information Technology

Describe the difference between structured and non-structured decisions and give a couple examples of each.

What are business processes? How are they related to information systems?

Define customer relationship management and explain why customer relationships are so important today.

fill the blank:

blank ? is an organized collection of people, procedures, software, databases, and devices that provides routine information to managers and decision makers.

blank is ? An organized collection of people, procedures, software, databases, and devices used to record completed business transactions is called a(n)

blank is usually stored in Databases

by blank, we mean understanding of a subject/matter that has been acquired through proper study and experience.