This course is part of the IGNOU Online Programme Certificate in Library and Information Science (for more details visit https://iop.ignouonline.ac.in).The course is targeted for professionals working in the public, school, college and university libraries. After going through this course you will be able to: - understand how computers work; - work with the open source Operating System- Ubuntu; - use open source office tools LibreOffice Writer, Calc and Impress for your day to day work; - introduce automation in your library using open source library automation packages such as Koha; and - use Internet and web 2.0 tools to provide day to day library services to your clientele.The course covers three major themes: - Digital Literacy, -Library Automation, and -Internet based Tools and Services.Though the course is specifically designed for library professionals it is useful for anyone who is interested in getting basic training in computers and different ICT tools.The course is enriched with multimedia content comprising reading material, video lectures, e-tutorials for hands on training and weekly quizzes.