Each PDF file contains a full description of a flat layout document based on a PostScript language, including text, fonts, vector graphics, images, and other details required for displaying it. The PDF file format for documenting documents, including text and images, is separate from application software, hardware, and operating systems. For educational or professional work, we have to deal with a Portable Document Format (PDF). Softwares are a set of codes or instruction that tells the computer how to perform a particular task or provide additional services. We can install various software on our PC/Laptop according to our requirement. Humans use computers to make their work easy and comfortable.
