Briefly explain the critical success factors for an Information system

CSF or Critical success factor for IT project or System is its user involvement. Some of the other CSFs are

• Money factors: positive cash flow, revenue growth, and profit margins.
• Acquiring new customers and/or distributors -- your future.
• Customer satisfaction -- how happy are they?
• Quality -- how good is your product and service?
• Product or service development -- what's new that will increase business with existing customers and attract new ones?
• Intellectual capital -- increasing what you know that's profitable.
• Strategic relationships -- new sources of business, products and outside revenue.
• Employee attraction and retention -- your ability to do extend your reach.
• Sustainability -- your personal ability to keep it all going

More information at http://en.wikipedia.org/wiki/Critical_success_factor

Also See: http://www.nipc.net/mis/aboutusen3.htm