Computer Storage
Blu-rays provide approximately ___ of storage space.
25-50 GB
Which optical drive media stores approximately 700 MBs of data?
CDs
The 2 most common audio file formats are WAV and ___ .
MP4
One type of storage device is a ___ .
USB drive
CDs store data using ___ .
a reflective coating that has pits and lands
The smallest unit of data storage is a ___ .
bit
One character of information, for example, a letter or a number consists of one ___ of storage
byte
Because it allows their files to be accessed from any device on the Internet, many users like to back-up their files using ___ storage.
cloud
Emailing a file to yourself is an example of using ___ storage.
cloud
The fact that data on servers is nearly always backed up onto other servers gives ___ storage a major advantage over other data storage methods.
cloud
One disadvantage of cloud storage is that
data is only available when you're online.
Solid state drives store data using ___ .
electronic circuits
To allow hard disk drive platters to spin more smoothly and cooler, some manufacturers seal the platters in ___ instead of air.
helium
Using refracted laser light to store data on a photoreceptive substrate is essentially how ___ storage works. Theoretically this could store gigabytes of data within a cubic millimeter
holographic
A million bytes of data equals approximately one ___
megabyte
An electronic element that stores data by changing its resistance based on the current that has passed through it (similar to RAM) is called a(n) ___ .
memristor
A refracted laser beam striking a photoreceptor from many different angles allows ___ storage to retain many bits of data in the same location.
optical
A storage device that uses lasers to read CDs, DVDs, or Blu-ray discs is referred to as a(n) ___ .
optical drive
Blu-ray stores data using ___ .
pits and lands that are read by a blue spectrum laser beam
When referring to digital storage, RAID stands for ___ .
redundant array of independent discs
One of the largest data requirements of the future will likely be ___ .
retinal scans
Because a metal platter is physically spinning, hard drives have ___ access times than solid state hard drives.
shorter
In general, the ___ the access time, the faster the hard drive.
shorter
The component of a computer that allows data to be retained after power is turned off is referred to as _______.
storage