An ActiveX control is a component program object that can be re-used by many application programs within a computer or among computers in a network. The technology for creating ActiveX controls is part of Microsoft's overall ActiveX set of technologies, chief of which is the Component Object Model (COM).
The Basic Input Output System, usually referred to as BIOS, is software stored on a small memory chip on the motherboard. BIOS is sometimes incorrectly referred to as the Basic Integrated Operating System. BIOS instructs the computer on how to perform a number of basic functions such as booting and keyboard control.
The location of the Personal Macro Workbook is a little confusing, because older versions of Excel stored it in an XLSTART folder buried inside the Program Files folder. Even though you canât write any files to it, Excel 2007 and Excel 2010 also have XLSTART folders inside the Program Files directory.