Which description language is Microsoft's version of a page description language?

Microsoft's version of a page description language is the XML Paper Specification (XPS). XPS is a fixed-document format that facilitates the creation and sharing of documents while preserving their appearance across different devices and platforms. It is designed to be a comprehensive representation of a document’s content, including text, graphics, and layout, making it similar in function to other page description languages.

XPS is XML-based, allowing for the inclusion of rich visual elements and ensuring that the document layout is maintained when printed. This feature is particularly valuable in environments where consistent document reproduction is necessary.

The other options serve different purposes or have different characteristics:

• PostScript is a well-established page description language that originated from Adobe and is widely used in the printing industry, but it is not a Microsoft product.

• Printer Control Language (PCL) is a page description language developed by HP primarily for controlling print jobs and communication between computers and printers, rather than a comprehensive document format.

• Portable Document Format (PDF) is created by Adobe and is widely used for sharing documents but, like PostScript, is not a Microsoft specification.

Overall, XPS is specifically linked to Microsoft's technologies, making it the correct answer in the context of the question.