A new medium form in education technique media——PDF document

Abstract

PDF is electronics document format developed by Adobe Company. This document format is ideal text file format, which exchanges electronics text file and spreads arithmetic information. Because writing and picture is highly compressed in PDF document, so the PDF document size is very small. When we view the document we is not restricted from the operate system, network environment, apply procedure edition and form of written. It is the same with delivery and viewing on net. It also will become the new media form of education technique and is the teaching resources of net teaching in education technique. Because it has the very strong encrypting function, so user can't easy download or copy. It protects effectively knowledge property right.