what is dna ?

DNA is deoxyribonucleic acid. It is located in the nuclei of cells, which make up the body.

what is light ?

Light is radiant energy. Usually referring to electromagnetic radiation.It is visible to the human eye, and is responsible for the sense of sight.

what is media ?

Media is an communication channels through which news, entertainment, education, data, or promotional messages are disseminated.

what is blogger ?

It is Google's free tool for creating blogs.We can say web-logs, are a form of online journal.

what is directory ?

Directory is a file system structure in which to store computer files

what is sem ?

SEM is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results (SERP's).Also gaining traffic by purchasing ads on search engines.

what is forum ?

It is a place, meeting, or medium where ideas and views on a particular issue can be exchanged.We can say it as message boards or bulletin boards.
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