What are the sub brands of HP business Notebook PCs?
A.
HP, HP ProBook, HP UltraBook.
B.
HP Presario Notebook, HP Windows 7 Notebook, HP Business Notebook PC
C.
HP Halfdome, HP Superdome, HP Super Elite, HPUX
D.
Compaq Presario Notebook, HP Compaq Elite Series, HP Workstation
Explanation: