So if you look back on the day that you become a CIO, you need to  remember that nobody ever told you that this was going to be an easy job  dealing with the importance of information technology. 

One of the  reasons that being the person in the CIO position is such a tough job is  because of all of the important decisions that you are expected to make.  The impact of your decisions will affect the lives of everyone who  works in your department and may impact the company for years to come.  There is a lot riding on what you decide to do. Feeling any pressure  yet? 

What are the biggest decisions that CIOs are expected to make and  what are the best way to make these decisions?