The answer is smart card readers. Smart card readers can be implemented as part of an authentication system to verify the identification of employees.
Yes Microsoft and Apple used the closed-source approach to better secure from malware and make to make their operating systems more user friendly.
When you copy cells, cell references automatically adjust. But, when you move cells, cell references are not adjusted, and the contents of those cells and of any cells that point to them may be displayed as reference errors. In this case, you have to adjust the references manually.
If the selected copy area includes hidden cells, rows, or columns, Excel copies them. You may have to unhide data temporarily you don't want to include when you copy information.
Hope this helps! I'm not a computer genius though
