Essentially, using CMMI reminds us to focus on process improvement. So now we know that CMMI can help improve our processes, but what exactly is a maturity model. A maturity model is, at its simplest, a description of what makes a good process. In practice this will include a framework to help you prioritize the next improvement steps, along with a common language, and a way to define what improvement looks like for your particular organization.
What is Excel. Microsoft Excel is a spreadsheet program which allows one to enter numerical values or data into the rows or columns of a spreadsheet, and to use these numerical entries for such things as calculations, graphs, and statistical analysis. Introduction to Microsoft Excel.
Businesses often use Excel, a Microsoft spreadsheet application often installed by default as part of the Microsoft Office suite on business computers. Excel workbooks contain individual worksheets, which you can use to create lists and spreadsheets. Once you become accustomed to the application and familiar with the more powerful functions available, you'll find many uses for this business tool.