Computer Storage

Select the video file compression formats.

- AVI - MP4 -Quicktime

Select the optical drives

- Blu-ray player - DVD drive -CD

Select the advantages of helium hard drives over traditional hard drives.

- Platters spin faster. - Platters stay cooler. - More platters can be placed in the same amount of space.

Select the characteristics of solid state drive storage devices.

- durable, no moving mechanical parts - uses electronic circuits to store data - uses laser to read data

Select the characteristics of a Blu-ray disc.

- holds approximately 50 GB of data - uses pits and lands to store data --A blue spectrum laser reads its pits and lands

Select the methods of using cloud storage.

- saving a photo on Flickr - purchasing online storage space - emailing a file to yourself

Most desktop computers use ___ to store data.

magnetic hard drives

more desktop computers use ________ to store data.

magnetic hard drives

One of the largest data requirements of the future will likely be ____.

mapping patients' genomes

A million bytes of data equals approximately one ____

megabyte

Blu-ray stores data using _____.

pits and lands that are read by a blue spectrum laser beam

Select the reasons to compress a file.

reduce storage space requirements

When referring to digital storage, RAID stands for _____.

redundant array of independent discs

In general, the ____ the access time, the faster the hard drive.

shorter

A thousand gigabytes equals one _____.

terabyte

A lossless compression format

zip

CDs store data using

a reflective coating that has pits and lands

DVDs store data using ________.

a reflective coating that has pits and lands

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

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

gigabytes

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

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 _____ instead of air.

helium

a typical laptop has a storage capacity of approximately ________

500 GB- 1 TB

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

Select two characteristics of solid state drive storage devices.

Durable, no moving mechanical parts Uses electronic circuits to store data

Select three characteristics of a traditional hard drive.

Has a read/write head to detect magnetic charges Has physically spinning platters Uses magnetic charges to store data

Reduces space required by reducing redundancy within files

Lossless

Reduces space required by removing less valuable data

Lossy

The two most common audio file formats are WAV and ________.

MP4

Select three storage devices.

Optical drives USB drives External hard drives

Because of its capability of storing data in multiple hard drives, data warehouses use ________ technology to ensure redundant data storage.

RAID

Because they have no mechanically moving parts, _____ provide extremely fast, efficient storage.

SSDs

Select three methods of using cloud storage.

Saving a photo on Flickr online storage space Purchasing online storage space

One type of storage device is a _____.

USB drive

Select three characteristics of cloud storage.

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

Select three characteristics of SSD storage.

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

Select two characteristics of a traditional hard drive.

Uses magnetically charged plates to store data Often found in desktop computers

A short (simple text) e-mail uses about one ________ of data.

kilobyte

A million bytes of data equals approximately one _____.

megabyte

a million bytes of data equals approx. one ___________

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(n) _____.

memristor

a storage device that uses lasers to read CD's , DVD's, or Blu-ray discs is referred to as a(n) ___________.

optical drive

Server banks have capacities measured in __.

petabytes

What are some commonly used names for USB drives?

- thumb drives - flash drives

according to youtube, approx. how much video is uploaded to it's site every minute?

-300 hours

select the characteristics of a CD: -holds approx. 700 mb of data -uses pits and lands to store data -a read/write head senses the magnetic charges -uses capacitors and/ or transistors to store data

-holds approx. 700 mb of data -uses pits and lands to store data

select the methods of using cloud storage -saving a photo on flickr -purchasing online storage space -emailing a file to yourself -purchasing an external hard drive

-saving a photo on flickr -purchasing online storage space -emailing a file to yourself

select the characteristics of a traditional hard drive: -uses magnetic charges to store data -has a read/write head to detect magnetic charges -has physically moving platters -uses lasers to read data

-uses magnetic charges to store data -has a read/write head to detect magnetic charges -has physically moving platters

select the characteristics of a traditional hard-drive: -uses magnetically charged plates to store data -commonly found in desktop -uses solid state electronic circuitry to store data -reads data with lasers

-uses magnetically charged plates to store data -commonly found in desktop

The text contained in about 4 books uses approximately _____ times more data than a short email.

1,000

Match the capacity with the storage device: 1. Laptop 2. DVD 3. Tablet

1. 500 GB-1 TB -- Laptop 2. 3-5 GB -- DVD 3. 16-256 GB --- Tablet

Match the image compression formats: 1. Joint Photographic Experts Group (JPEG or JPG) 2. Portable Network Graphics (PNG) 3. Graphics Interchange Format (GIF)

1. most popular lossy image compression format - JPEG/JPG 2. most popular lossless image compression format - PNG 3. legacy (outdated) lossless format - GIF

Match the following regarding file compression: 1. Lossless 2. Lossy 3. Zip

1. reduces space required by reducing redundancy within files - Lossless 2. reduces space required by removing less valuable data - Lossy 3. a lossless compression format - Zip

how much capacity of storage does a typical tablet hold?

16-256 GB

how much capacity of storage does a dvd have?

3-5 GB

Blu-rays provide approximately ____ of storage space.

50 GB

blu-rays provide approx. __________ of storage space.

50 GB

how much capacity of storage does a typical laptop have?

500 GB- 1 TB

A typical laptop has a storage capacity of approximately ____.

500 GB-1 TB

CDs provide approximately ________ of data storage space.

700 MB

Which two could be used to store a single bit of data?

A hole in a punch card A transistor