Is it true that Dell desktop portfolios include Optiplex, Inspiron, Vostro, Precision, XPS, and All-in-One?

The statement is accurate. Dell's desktop portfolios indeed encompass a variety of lines, including Optiplex, Inspiron, Vostro, Precision, XPS, and All-in-One models.

Optiplex is primarily aimed at business and enterprise customers, designed for reliability and performance. Inspiron targets home users and small businesses, offering a balance of performance and affordability. Vostro is tailored for small businesses, delivering a solid business-oriented experience. Precision desktops are high-performance systems meant for professionals in fields like design and engineering. The XPS line is known for its premium design and cutting-edge technology, catering to consumers looking for high-end performance. Finally, the All-in-One line combines the monitor and computer into a single unit, appealing to users who prefer a compact setup.

This comprehensive range demonstrates Dell's commitment to serving various market needs, from everyday computing to specialized professional tasks, and affirms the truthfulness of the statement.