The word literacy is very much popular among all the people. The literacy rate of Nepal 2020 is 69 percentage. Some years before it was very important to be literate that is the person who can read and write but that is not sufficient in the digital age.It this technological era, ti is very much important to be digitally literate that is the person who can use digital tools properly and share the know to others about digital tools, sites and teach digitally is called digitally literate person. That is why we must be digitally literate persons. Technology is very munch importance in the 21st century. We must have the knowledge about Technological Knowledge (TK). Content Knowledge (CK) and Pedagogical Knowledge (PK). It is called TPCK.