DNS stand for -

Reverts the changes made by the undo command back to the previous state?

. ……………… is a personal information manager, mainly used in email applications, and also includes calendar, task manager, note taking, magazine, web browsing?

Which shortcut key is used to insert a new slide in the current presentation?

Another name for program or set of programs is-

Ribbon in MS Word 2010 is a series of ……….?

Who said this “Communication is sharing of thoughts and feelings in a mood of reciprocity”.

Whose invention was the beginning of the information technology era?