no
PCB usually stands for Printed Circuit Board, It's just the base plate that electronic components gets mounted to. It's not a storage device by itself.
No.
by multimeter
storage device storage device
Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.
A CD is a storage device.
magnetic storage device
Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.Folders on a storage device can hold documents and applications.
A CD is a storage device.
A CD is a storage device.
Secondary Storage
Now days everything and that is no exaggeration if you have an electronic device there is a printed circuit board in it