Computer Storage

Select the characteristics of a CD.

-

Select the video file compression formats.

- AVI - MP4

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 read/write head senses the magnetic charges

Select the methods of using cloud storage.

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

What are some commonly used names for USB drives?

- thumb drives - flash drives - optical drives

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 legacy (outdated) lossless format - GIF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

Blu-rays provide approximately ____ of storage space.

50 GB

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

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

SSDs

One type of storage device is a _____.

USB drive

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

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

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

mapping patients' genomes

A million bytes of data equals approximately one ____

megabyte

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 RRAM) is called a(n) _____.

memristor

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