CIS 1A COMPUTER STORAGE
Which of the following are characteristics of solid state drive storage devices
-Durable, no moving mechanical parts -Use electronic circuits to store data
Which of the following are characteristics of a CD
-Holds approximately 700 MB of data -Uses pits and lands to store data
Which of the following are characteristics of cloud storage?
-Servers act like giant hard drives -Files are backed up, (stored on multiple servers) -Users can download files to other devices on the Internet
Which of the following advantages of SSD storage?
-Very fast -Data are available when not connected to the Internet -Durable and reliable
which of the following three are the methods of using cloud storage?
-emailing a file to yourself -saving a photo on Flickr -Purchasing online storage space
which of the following are commonly use names for universal serial bus USB drives
-flash drive -thumb 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 w/ a reflective coating
which of the following are video file compression
-quicktime -AVI -MP4
two advantages of using a universal serial bus (USB) drive instead of a DVD
-shorter access time -more durable
regarding access time, the:
-shorter the access time, the faster the hard 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)
1000 bytes equals ______. roughly enough to store a short email in plain (not rich) text.
1 kilobyte or KB
One kilobyte equals _____ bytes.
1,000
Rank these in order of size with the smallest on top
1. Byte 2. Megabyte 3. Gigabyte 4. Petabyte
Would be used to store a single bit of data
1. a transistor 2. a hole in a punchcard
Which of the following provide data storage?
1. external hard drive 2. server bank 3. solid state drive (SSD)
items commonly found in a traditional hard drive
1. stores data magnetically 2. platter 3. read/write head
Tablet or Smartphone capacity
16-256 GB
DVD capacity
3-5 GB
which of the following items uses approximately one terabyte of data?
40 blu-ray movies
laptop capacity
500 GB to 1 TB
DVD-RW
A disc that can be burned multiple times
Judy wants to purchase a Blu-ray disc that can be recorded on multiple times she should choose discs that are labeled ______
BD-RE
match the following associated with optical media
BLU-RAY DISC: -50 GB -often used to store hi-definition movies -used to store HD movies DVD: - 4.5 GB -used for movie rentals (non-HD) CD: -700 MB -used for music albums
which optical drive media stores approximately 700 please MBs id data
CD
The fact that data on servers are nearly always backed up onto other servers gives ______
Cloud a major advantage over other data storage methods
Older lossless format, popular with simple animations
GIF
categorize the following as either memory or storage
MEMORY: -random access memory (RAM) -processor registers -L3 Cache STORAGE: -blue ray disc -solid state drive (SSD) -universal serial bus (USB) drive -read only memory (ROM)
A legacy audio format that has largely been replaced by higher quality AAC and WAV audio format is the _______
MP3
A popular lossy video and audio compression format is the _____ format
MP4
Which of the following are the disadvantage of SSD storage?
More expensive than traditional hard drive storage
which of the following are the disadvantage of SSD storage
More expensive than traditional hard drive storage
Most popular lossless image compression format
PNG
Which of the following are image compression formats?
PNG and JPEG
when referring to digital storage RAID stands for
Redundant Array of Independent Discs
categorize as storage device or storage media
STORAGE DEVICE: -optical drive -external hard drive -blu-ray player STORAGE MEDIA: -discs (CDs) -DVDs -Blue-ray disk
because they use flash best technology ____ Drive provide portable, fast and reliable storage at a relative
USB
type of storage device
USB drive
A hole in a punchcard, a transistor on a circuit board, or the reflective element on a digital versatile disc (DVD) each represents the smallest unit of data storage called a ___.
a bit
CD-R
a disc that can be burned once
DVD-ROM
a disc that cannot be burned
in American standard code for information, interchange (ASCII), eight bits equals one ____
byte
Some new laptops come with an L3 ____ with a capacity of up to 8 MB.
cache
Three important types of memory on your computer include registers, random access, memory ROM, and
caches
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
Because it allows for their files to be accessed from any device on the Internet, many years has like to back up their files 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 memory capacity is measured ____ or terabytes of data
gigabytes
A laptops computers RAM is measured in
gigabytes
Most laptops have hard drive capacities measured in ___ or terabytes
gigabytes
blu-ray disks have pits and lands that absorb or reflect a laser beam, and can store approximately 50 _____ of data
gigabytes
Because a metal platter is physically spinning, hard drives have ___ access times than solid state hard drives.
longer
Because it reduces audio files sampling rates to save space. The MP3 format is a(n) ______ compression format.
lossy or audio
A large ____________ can remove data from a traditional hard drive, but would not hurt a Blu-ray disc.
magnet
A desktop computer will typically use a ____ for most internal storage
magnetic hard drive
Flash technology provides fast access time since it uses no ___________moving parts.
mechanical
One million bytes of data equals one:
megabyte
one million bytes equals a ____ of data. that is enough to store the text in approximately four books in plain text.
megabyte or MB
because it is small energy, efficient, and fast ____ cards/drives is/are often used to increase smart phone or digital camera storage capacity
micro-SD
A storage device that uses lasers to read CDs, DVDs, or Blu-ray discs is referred to as a ____ drive
optical
server banks have capacities measured in _____
petabytes
DVD store data using
reflective coating that has pits and lands
the ____ the access time, the faster your data will reach your processor
shorter
The components of a computer that allows data to be retained after power is turned off is referred to as
storage
Blu-ray discs and DVDs are ___media.
storage or optical
1000 GB equals 1
terabyte
because they are inexpensive and reliable, _____ have become extremely popular storage devices
thumb drives USB
USB drive
uses electronic circuits to store data durable very fast, also called a "thumb drive" or a "flash drive"
Optical Media
uses lasers to read/write data DVDs Blu-ray discs DCs