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How to save Excel workbook as PDF? A very reasonable question while using the Excel program.  Previously, it was necessary to use an external tool to convert Excel workbook to PDF format, but now you can do this directly without leaving your Excel program. An Excel program directly allows you …

A mainframe computer or mainframe is also known as a central computer. It is a large, powerful, and expensive computer, mostly used by large companies for bulk data processing, and critical applications. It processes a large amount of data and uses in the processing of bank transactions, census, statistical work, …