Give 4 reasons why you would choose to use optical media?
what is a requirement for CDs and DVDs to insure their durability?
memory cards, memory pens, memory sticks
Give 4 examples of solid state technology
fast access to data little power is required durability portability versatility
List 5 advantages of solid state storage devices
doesn't match the capacity of hard drives
what is currently a disadvantage of solid state storage?
a draw back of some storage devices is the inability to access data from more than one type of storage medium. the versatile ___ drive can access data from DvDs, DVD movies, audio CDs, data CDs, and CD-Rs.
so, you will be able to carry it with you
why is durability of a storage device or media so important?
which storage technology is most susceptible to data loss as a result of heat and moisture- magnetic optical, or solid state?
which storage devices are currently the most durable?
a personal comp always includes this storage device:
provids abundant economical storage capacity provides faster access to files
what are 2 key advantages of hard drives over other storage technologies?
internal removable external
in regard to location, where can hard drives be?
hard drive hard disk drive
what are 2 other names by which hard drives are ofthen referred to as?
provide lots of storage capacity provide fast access to files economical
list the 3 reasons that make hard drives the preferred type of main storage for most comp systems:
what is the cost of storing 40 megabytes (approx. 40 million bytes) of data?
platters read-write heads
a hard drive has on or more ________ along with their __________ heads.
more platters mean more ____ _______ capacity.
platters rotate as a unit on a _______ making _____ of rotations per minute.
Each platter has a __________ that hovers over the surface to read data.
inside the drive case or cartridge to screen out dust and other contaminents
where are the hard drive platters and read-write heads located and why are they located there? where? why?
what other types of devices use hard drives besides personal comps?
Do comps and Ipods use the same hard drive technology?
what is the major difference in comp and ipod hard drives?
3 and one half "
Describe the approxiamate size and capacity of a personal comp hard drive:
what are miniature hard drives (such as for an ipod) usually called?
describe the approximate size of an ipod hard drive?
access time rotation speed
list the 2 factors that determine how fast data is available for use from a hard drive?
hard drive platters on which data is written are divided into ______ and _______
what part is the basic storage unit of a hard drive?
data is stored to the same track and sector location on all platters in the cylinder before moving the read-write head to a new sector. true or false
the ______ a drive spins, the more rapidly it can position the head over specific data.
revolutions per minute
hard drive speed is measured in ___ which stands for ___________ ___ ______
access time is measured in ____________
the faster the data is ________, the sooner you see you info on the screen.
what is the circuit board in a hard drive called?
positions the disk locates data interfaces with components on the system board
what are the functions (in order as they happen) of the controller? (3)
____ _____ are classified according to their controllers.
SATA ATA EIDE SCSI
list 4 popular types of drive controllers?
do comp ads usually state the specs for controllers in their ads?
do you usually have a choice of which controller type you can have for your hard drive?
can you add a second hard drive to your comp?
a second hard drive can be used to ______ your primary device.
inexpensive easy installation
list 2 advantages of internal hard drives in desktop comp systems:
storage capacity security for data
list 2 advantages of removable hard drives:
can the data on an internal hard drive and the data on an external hard drive be accessed at the same time?
which of the types of hard drives is the most expensive?
how do external hard drives connect to a desktop or notebook computer?
not as durable as many other storage technologies
what is the durability of hard drives in comparison to other storage technologies?
what is it called when a hard drive fails to operate properly?
run into a dust particle jarred while it is inuse
give 2 common reasons a head crash might occur on a hard drive
no sometimes it only damages some
does a head crash always damage all the data on a hard disk?
sealed in a case
how is the hard drive protected?
handle with care transport with care
list 2 things you can do to protext your data on your hard drive?
tape drive tape
other info: with tape storage technology, a ____ _____ is used for the storage device and a ____ is the storage medium.
what do most personal comps used as the most popular type of tape storage?