
Ch4 4: Data Storage and Sharing

Quiz
•
Computers
•
12th Grade
•
Hard
Tammi Ramsey
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which kind of device stores data in patterns of magnetic polarity?
DVD
CD
USB flash drive
HDD
Answer explanation
A HDD (Hard disk drive) uses magnetic polarity to store data. DVD & CD are both optical, and a USB flash drive is a solid state.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which unit of measurement describes approximately one trillion bytes of storage?
Terabyte
Gigabyte
Megabyte
Kilobye
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is not an optical disc?
DVD
SSD
BD-R
CD-RW
Answer explanation
SSD stands for solid-state drive. All the others listed are opitcal discs.
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
How can a single DVD hold more than 4.7 GB of data? (Choose all that apply)
Multiple actuator arms
Multiple sides
Multiple layers
High-density recording
Answer explanation
A DVD can have multiple sides and multiple layers. Optical drives do not have actuator arms. DVDs cannot have higher-density recordings than the standard for DVDs
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of optical disc is rewriteable multiple times?
DVD-ROM
BD
CD-RW
BD-R
Answer explanation
Rewritable discs end in RW or RE. Discs that are not writeable end in ROM. Discs that are writeable only once end in R.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which kind of drive reads CompactFlash storage?
USB flash drive
Card reader
HDD
SSD
Answer explanation
A card reader reads from a variety of flash memory cards, including CompactFlash. All other drive types listed contain their own storage and do not accept cards.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is not a benefit of SSD over HDD?
Quieter
Use less power
Faster
Less expensive
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