The $\_\_\_\_\_\_\_\_$ manages all parts of the mobile ecosystem.

Question $17$ options:

A$)$

System$-$on$-$Chip$($SOC$)$

B$)$

Global Positioning Systems $($GPS$)$

C$)$

Printed Circuit Board $($PCB$)$

D$)$

Light$-$emitting diode $($LED$)$

E$)$

Liquid crystal display $($LCD$)$