Hardware Reference
In-Depth Information
16.
B. Blu-ray gets its name from the fact that it uses a blue laser.
17.
D. CD-ROM is optical and digital, but not fl ash RAM based. It stores data in patterns of
pits and lands on a refl ective surface.
18.
B. Secure Digital (SD) is one type of memory card. VGA is a video standard. DDR refers to
a type of dynamic RAM. PATA is an interface for mechanical hard disks.
19.
B. Solid-state drives are quieter, higher capacity, faster, and use less energy than
mechanical drives. However, they are more expensive.
20.
C. DRM stands for Digital Rights Management, which refers to security encryption. Different
brands and types of fl ash RAM devices have different security technologies (or none).
