Computer Storage

Tablet or Smartphone

16-256 GB

Which of the following uses approximately 1 gigabyte of data?

20 music CD's

DVD

3-5 GB

DVDs provide approximately _____.

4.5 GB of data storage space

Which of the following items uses approximately 1 terabyte of data?

40 blu-ray movies

Blu-rays provide approximately _____.

50 GB of data storage space.

A typical laptop has a storage capacity of approximately _____.

500 GB to 1 TB

Laptop

500 GB to 1 TB

CDs provide approximately _____.

700 MB of data storage space.

Which of the following three are characteristics of a Blu-ray disc?

A blue spectrum laser reads its pits and lands Uses pits and lands to store data Holds approximately 50 GB of data

DVD-RW

A disc that can be burned multiple times

CD-R

A disc that can be burned once

DVD-ROM

A disc that cannot be burned

Which of the following are advantages of using cloud storage?

Availability; data can be retrieved by any Internet-connected device. Redundancy; data is stored on multiple servers.

Judy wants to purchase a Blu-ray disc that can be recorded on multiple times. She should choose discs that are labeled _____.

BD-RE

Which of the following are considered storage media?

Blu-ray discs DVDs

Storage device

Blu-ray player Optical drive External hard drive

Which optical drive media stores approximately 700 MBs of data?

CD

Though it could theoretically hold terabytes of data for thousands of years in a microscopic space, ___ storage, using genetic material, is a distant storage option.

DNA

Even though it has tremendous potential and has been proven possible in the laboratory _____.

DNA, using genetic material, is a distant storage option

Storage media

DVD Blu-ray disk CD

Which of the following are characteristics of cloud storage?

Files are backed up (stored on multiple servers). Users can download files to other devices on the Internet. Servers act like giant hard drives.

A disadvantage of using the cloud to store your files is that to access them you have to be connected to the

Internet

Which of the following are the disadvantage of SSD storage?

More expensive than traditional hard drive storage

Which of the following two are characteristics of a Blu-ray disc?

Pits and lands that are read by a blue spectrum laser beam. A plastic disc with a reflective coating.

Which of the following are advantages of helium hard drives over traditional hard drives?

Platters stay cooler More platters can be placed in the same space Platters spin faster

Because of their capability of storing data in multiple hard drives, data warehouses use _____.

RAID

Memory

Random access memory (RAM) L3 Cache Processor registers

When referring to digital storage, RAID stands for:

Redundant array of independent discs

Which of the following three are the methods of using cloud storage?

Saving a photo on Flickr Purchasing online storage space E-mailing a file to yourself

Storage

Solid-state drive (SSD) Universal serial bus (USB) drive Blu-ray disc Read only memory (ROM)

Which of the following two are the characteristics of computer storage?

Sometimes referred to as secondary storage Retains data when power is turned off

Because they use flash-based technology _____drives provide portable, fast, and reliable storage at a relative low price.

USB

Which of the following two are advantages of using a universal serial bus (USB) drive instead of a DVD?

USB drive has shorter access time USB drive is more durable

USB drive

Uses electronic circuits to store data Durable Very fast, also called a "thumb drive" or a "flash drive"

Which of the following are characteristics of solid-state drive (SSD) storage?

Uses flash technology Has no mechanically moving parts Uses the same technology that is found in USB drives (thumb drives)

Optical media

Uses laser to read/write data DVDs Blu-ray discs CDs

Which of the following are characteristics of a DVD?

Uses pits and lands to store data. Holds approximately 4.5 GB of data.

Which of the following advantages of SSD storage?

Very fast Durable and reliable Data are available when not connected to the Internet

Rank these in order of size with the smallest on top.

byte megabyte gigabyte petabyte

Some new laptops come with an L3 ___ with a capacity of up to 8 MB.

cache

Three important types of memory in your computer include registers, random access memory (RAM), and _____.

caches

E-mailing yourself a document so that it is available online is an example of using ___ storage.

cloud

Having your files stored on multiple online servers means there is minimal risk of your data being lost. This is a significant advantage of using ___ storage.

cloud

Using online servers to store data is called ___ storage.

cloud

The fact that data on servers are nearly always backed up onto other servers gives _____.

cloud a major advantage over other data storage methods

E-mailing a file to yourself is an example of using _____.

cloud storage.

One disadvantage of cloud storage is that _____.

data is only available when you're online

A significant advantage of using a solid-state drive instead of a traditional hard drive is that a solid-state drive uses _____.

electronics

A laptop computer's RAM is measured in _____.

gigabytes

A laptop computer's memory capacity is measured in ___ or terabytes of data.

gigabytes

Blu-ray disks have pits and lands that absorb or reflect a laser beam and can store approximately 50 ___ of data.

gigabytes

Storage capacity for laptop hard drives is typically described in terabytes or _____.

gigabytes

To allow hard disk drive platters to spin more smoothly and cooler, some manufacturers seal the platters in ___ rather than just air.

helium

To allow hard disk drive platters to spin more smoothly and cooler, some manufacturers seal the platters in _____.

helium

A refracted laser beam striking a photoreceptor from many different angles allows ___ storage technology to retain petabytes of data within 1 cubic inch of space.

holographic

A refracted laser beam striking a photoreceptor from many different angles allows _____.

holographic storage to retain many bits of data in the same location

One thousand bytes equals a ___. This is roughly enough to store a short email in plain (not rich) text.

kilobyte

A short, plain text e-mail uses about a _____ of data.

kilobyte.

DVDs have pits and lands that absorb or reflect a ___ beam. DVDs can store approximately 4.5 GB of data (single layer).

laser

Because a metal platter is physically spinning, hard drives have:

longer access times than solid state hard drives

A large ___ can remove data from a traditional hard drive, but would not hurt a Blu-ray disk.

magnet

Because of its potential value in diagnosing health issues and because of the massive amounts of data it requires, one of the largest data storage requirements of the future will likely be for ___ .

mapping patients' genomes

One million bytes of data equals one:

megabyte

One minute of MP3 audio uses approximately one ___ of data.

megabyte

An electronic element that stores data by changing its resistance based on the current that has passed through it (similar to RRAM) is called a ___.

memristor

An electronic element that stores data by changing its resistance based on the current that has passed through it (similar to RRAM) is called a(n) ___.

memristor

Because it is small, energy-efficient, and fast _____ cards/drives is/are often used to increase smartphone or digital camera storage capacity.

microSD

A storage device that uses lasers to read CDs, DVDs, or Blu-ray discs is referred to as a(n) ___ drive.

optical

A storage device that uses lasers to read CDs, DVDs, or Blu-ray discs is referred to as a(n) _____.

optical drive

Server banks have capacities measured in _____.

petabytes

Server banks have storage capacities measured in ___

petabytes

Which of the following item comes in capacities measured in petabytes?

server bank

The ___ he access time, the faster your data will reach your processor.

shorter

Regarding access time, the:

shorter the access time, the faster the hard drive.

Because it has no physically moving parts, an SSD is extremely durable and energy efficient. SSD stands for ___ state drive.

solid

Solid-___ drives store data using electronic circuits such as transistors and capacitors.

state

Blu-ray discs and DVDs are ___ media.

storage

Mapping patient genomes and the increasing number of YouTube uploads mean we will need more and more cloud ___ capacity in the future.

storage

The component of a computer that allows data to be retained after power is turned off is referred to as _____.

storage.

One thousand gigabytes equals one ___. That is enough capacity to store 40 (average-sized) Blu-ray movies!

terabyte

A USB drive uses special transistors that can store data when not powered. USB stands for ___ serial bus.

universal