R.D. Sivakumar is an Assistant Professor of Computer Science and Head of the M.Com.(CA) Department at Ayya Nadar Janaki Ammal College in Sivakasi, India. The document discusses moving the insertion point, or cursor, within a document using either the mouse or keyboard. The mouse can be used to click where the insertion point should be placed, and arrow keys on the keyboard can also move the insertion point. The thick horizontal line at the bottom of the page marks the end of the document.