Secondary Storage Devices

What of the following is an advantage of a Hard Drive?

• Highest capacity 
• Low cost
• Low maintenance 
• Quick Access Speed

Primary Storage is;

• Non-volatile memory
• Volatile memory
• Backup memory
• Largest memory

Latency is;

• Time taken to read and write data
• Time taken for user to select where is save the data
• Time taken to retrieve data
• Time taken to write this quiz

The smallest section of a hard disk is called;

• A track
• A cluster
• A platter
• A sector

Why is perpendicular recording in magnetic storage devices better that longitudinal?

• Less densely packed
• Easier to identify magnetic signals
• Changed the direction of the read/write head
• Changed when a 1 is recorded

In a CD what is registered as a 1?

• Pit
• Land
• Pit End
• Land End

In a CD a 0 is registered when;

• The laser hits the just the disk
• The laser hits the disk and the light sensor
• The laser hits the mirror and the light sensor
• The laser hits the disk, mirror and light sensor

A NAND flash memory cell uses a;

• Electron Gate
• Solid Gate
• Drowning Gate
• Floating Gate

A Blu-Ray disc can hold;

• 1000 Nibbles
• 50 GB
• 0.9 TB
• 300 MB

How can CD-ROM and DVD's be the same physical size, but differ in data storage?

• Smaller pits are more densely packed
• Larger pits can hold more data
• Concentric circles instead of a spiral
• Larger read/write head