Whenyouworkwithacomputer,youcandoseveralthingsatonce.Youcanhearmusicwhileyoueditadocumentinawordprocessorandreadyoure-mail.Thiscanbedonebecauseyouroperatingsystemallowstheconcurrencyoftasks.Concurrentprogrammingisabouttheelementsandmechanismsaplatformofferstohavemultipletasks