Part 1-4_Computer_Storage

One kilobyte equals ___ bytes.

1,000

Which of the following uses approximately 1 gigabyte of data?

20 music CDs

One character of information, for example, a letter or a number consists of one ___.

byte

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

cloud a major advantage over other data storage methods

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

Helium

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

Helium

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

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

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

Internet

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

Kilobyte

Because a metal platter is physically spinning, hard drives have _______.

Longer access times

Reduces space required by reducing redundancy within files

Lossless

Reduces space required by removing less-valuable data

Lossy

One million bytes of data equals one _________________

Megabyte

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

RAID (redundant array of independent disk)

Which of the following devices have no moving parts?

SSDs provide extremely fast, efficient storage

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

Shorter

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

Storage

Categorize the following terms associated with optical media. DVDs

Store roughly 4.5 GB Used for movie rentals (non-HD)

DVDs

Store roughly 4.5GB Used for movie rentals (non-HD)

Blu-ray disc

Store roughly 50 GB Used to store HD movies

Which of the following are characteristics of solid state drive storage devices?

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

Which of the following are characteristics of cloud storage?

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

Which of the following are characteristics of a traditional hard drive?

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

A significant data storage challenge is that nearly 700 hours of video are uploaded to ___ every minute!

YouTube

A lossless compression format

Zip

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

microSD

Regarding access time, the ______________________-

shorter the access time, the faster the hard drive.

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

storage

When referring to digital storage, RAID stands for redundant ______ of independent disks.

Array

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

Because it allows for their files to be accessed from any device on the Internet, many users like to back up their files using _____.

Cloud storage

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

Cloud storage

Rank the following optical media by capacity with the smallest at the top.

Compact disc Digital Versatile Disc(single layer) Digital Versatile Disc (double layer) Blu-ray disc Ultra Blu-ray disc

If you wish to e-mail a file to a friend, but find that it is too big for your e-mail server, you can always _______________ the file.

Compress or Zip

Which of the following are the optical drives?

DVD drive Blu-ray player

Which of the following are disadvantages of using cloud storage?

Data stored on someone else's server can be accessed by anyone who has administrator privileges to the server. Data are only available if you are online.

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

Electronics with no moving parts

Which two of the following statements are correct regarding a byte?

Equal to 8 bits Each number, special character, and letter of the alphabet is represented as a byte

Which 3 of the following provide data storage?

External hard drive Internal hard drive solid-state drive (SSD)

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

Most laptops have hard drive capacities measured in ___ or terabytes.

Gigabytes

Most laptops have hard drive capacities measured in or terabytes.

Gigabytes

Magnetically charged particles on spinning disks are how traditional __________ drives store data.

Hard

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

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

One million bytes equals a ________ of data. This is enough to store the text in approximately four books in plain text.

Megabyte

Random access memory (RAM), L3 Cache, Processor registers

Memory

Which 2 of the following are advantages of SSD storage over traditional (magnetic) storage?

More durable Faster

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

Optical drive

Which 3 of the following are storage devices?

Optical drive (with associated disc) External hard drive Universal serial bus (USB) drive

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.

Categorize the following terms associated with optical media. Blu-ray discs

Store roughly 50 GB Used to store HD movies

Categorize the following terms associated with optical media. CDs

Store roughly 700 MB Used for music albums

CDs

Store roughly 700 MB Used for music albums

Flash drives or thumb drives are commonnames for ______ drives

USB

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

Universal