FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -An opening tag begins a section of page content, and a closing tag ends it. For example, to markup a section of text as a paragraph, you would open the paragraph with an opening paragraph tag <p> and close it with a closing paragraph tag </p> (closing tags always proceed the element with a /).

Detailed explanation-2: -Each tag starts with a tag opener (a less than sign) and ends with a tag closer (a greater than sign). Many tags have corresponding closing tags which identical except for a slash after the tag opener. (For example, the TITLE tag).

Detailed explanation-3: -no, all HTML tags have not end tag. there are many tag which works without closing tag.

Detailed explanation-4: -Tags are always enclosed in angle brackets: < >. Tags are comprised of elements and attributes. The only difference between an opening tag and a closing tag is the forward slash “/". You label content by putting it between an opening tag and a closing tag.