Portable Digital Library is an innovative, offline multimedia-based learning solution for students with a focus on education, where students do not need the Internet to access the knowledge base. It is a unique system where the students can connect to the knowledge server through Wi-Fi-based devices like smartphones, tablets, and computers, without having to pay for internet and data usage charges and watch videos, listen to podcasts or read eBooks.
“Digital libraries” consist of a collection of digital resources that may have existed only in digital form, or have been converted from another form to digital. These resources are generally stored in a broad range of formats and can be accessed by users over a computer network. Such libraries have many advantages in that they can be updated on a daily basis and can be accessed instantly by users