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