Yes it is in fact it is usful
The answer is : Cache. It is a small amount of memory stored on the central processor for easy access. Cache is where active data are placed for easier access, it stores recently used information so that it can be quickly accessed at a later time. Some types of cache are browser cache, disk cache, memory cache, and processor cache.
Answer: Y2K bug, also called Year 2000 bug or Millennium Bug
You should place your javascript in a separate file and name it appropriately, e.g. script.js.
Then you should call for your script using the HTML:
<script src="script.js" type="text/javascript"<span>></script></span>
Answer:
Excel file formats
Format Extension
Excel Workbook .xlsx
Excel Macro-Enabled Workbook (code) .xlsm
Excel Binary Workbook .xlsb
Template .xltx
