PDF stands for Portable Document Format and it is widely used for sharing and presenting documents. The format was developed by Adobe Systems in the 1990s and has since become one of the most popular file formats for digital documents. PDF files can contain text, images, graphs, and other elements, making them versatile for various purposes. The question is, what is the significance of PDF in the field of education? How has it revolutionized the way we learn and share knowledge? Category: Education