<P> A bulletin board ( pinboard , pin board , noticeboard , or notice board in British English ) is a surface intended for the posting of public messages , for example , to advertise items wanted or for sale , announce events , or provide information . Bulletin boards are often made of a material such as cork to facilitate addition and removal of messages , as well as a writing surface such as blackboard or whiteboard . A bulletin board which combines a pinboard ( corkboard ) and writing surface is known as a combination bulletin board . Bulletin boards can also be entirely in the digital domain and placed on computer networks so people can leave and erase messages for other people to read and see , as in a bulletin board system . </P>
<P> A bulletin board ( pinboard , pin board , noticeboard , or notice board in British English ) is a surface intended for the posting of public messages , for example , to advertise items wanted or for sale , announce events , or provide information . Bulletin boards are often made of a material such as cork to facilitate addition and removal of messages , as well as a writing surface such as blackboard or whiteboard . A bulletin board which combines a pinboard ( corkboard ) and writing surface is known as a combination bulletin board . Bulletin boards can also be entirely in the digital domain and placed on computer networks so people can leave and erase messages for other people to read and see , as in a bulletin board system . </P>
what is the purpose of bulletin board display
what is the purpose of bulletin board display
posting of public messages
posting of public messages