Optical and cloud storage

What does WORM strand for?

• Stand-alone malicious programs that can self-replicate and propagate independently

• Wisely Organized Replacing Machine

• Write Once Read Many

• Workshop on Recurring Malcode

If a disc has a read speed rated as 16× but the drive itself is rated as 8×, which is used?

• 16x

• 8x

What is the transfer rate of a Blu-ray Disc?

• 150kB/s

• 1.3MB/s

• 36MB/s

What is the transfer rate of a CD?

• 150kB/s

• 1.3MB/s

• 36MB/s

How is data stored in the structure of a disc?

• In NOR gates

• Pits and lands

• In NAND gates

• Peaks and troughs

What is a NAS?

• Naval Air Squadron

• National Academy of Sciences

• Network Application Support

• Network Attached Storage

How is the data arranged on a disc?

• In a spiral

• In concentric tracks

• In NAND gates

• In NOR gates

When reading a CD, what is the name of the device that detects any changes in light?

• Photodiode

• Optoelectronic

• Polycarbonate

• Network attached storage

The disc rotates rotates faster nearer the centre

• True

• False

Which of the following describes cloud storage?

(check all that apply)

• It is actually in a cloud

• Storage that can be accessed from anywhere using the internet

• Robust because it has no moving parts

• Backed up very regularly