The software used for presentation is:

🧠 Explanation:

The software used for creating presentations is **Microsoft PowerPoint**. It allows users to design slides with text, images, charts, animations, and multimedia elements. Grammatically, “Microsoft PowerPoint” is a **proper noun** naming the specific software, while “presentation software” is a **common noun** describing its category. Alternative options include **Google Slides**, **LibreOffice Impress**, or **WPS Presentation**, but PowerPoint is the most widely recognized and used, especially in offices, schools, and exams like PPSC. This software is essential for visually communicating ideas, organizing information, and delivering professional presentations effectively.