a, o, b, e, k, p, c, m, r, t, u are letters that make 'computer backup'
computer, ER, BA, te, Ute, comp, MP, Ba, AC, ut, up, back, put, backup, CO, Ac, Co, Er, Pu, Te, UT, compute are words within 'computer backup'
1 possible definitions for 'computer backup'
Under this definition, computer backup is a noun and has the following properties:
backup has the same meaning as computer backup
'computer backup' can be a type of duplicate, duplication.
'computer backup' can be a category of computer science, computing.
back up is a derivative of computer backup.