Chapter 8 Notes Flashcards
A _________ ________ is the physical material on which a computer keeps data, information, programs, and application
storage medium
the hardware that records and/or retrieves items to and from storage media
storage device
________ is the process of transferring items from a storage medium into memory.
Reading
Reading is the process of transferring items from a ________ _______ into ________.
storage medium
memory
________ is the process of transferring items from memory to a storage medium
Writing
Writing is the process of transferring items from ________ to a ________ ________
memory
storage medium
the number of bytes a storage medium can hold
capacity
True or False: items on a storage medium remain intact even when you turn off a computer or mobile device
true
What does access time measure?
1) the amount of time it takes the control unit to locate an item on a storage medium
2) the time required to deliver an item for memory to the processor
List these items from fastest to slowest transfer rates:
- hard disks
- memory cards
- optical disks
- memory (mostly RAM)
- USB flash drives
- SSDs
1) memory (mostly RAM)
2) SSDs
3) hard disks
4) USB flash drives
5) memory cards
6) optical disks
Hard disk is also known as a ____ ____ _____ (____).
hard disk drive (HDD)
a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information
hard disk
a seperate freestanding storage device that connects with a cable to a USB port or other port on computer or mobile device
external hard disk
a group of 2 or more integrated hard disks
RAID
What does RAID stand for?
redundant array of independent disks
an internet service that provides storage to computer or mobile device users
cloud storage
consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser
optical disks
What is the difference between CD-Rom, CD-R, and CD-RW?
CD-Rom, can be read from but not written to
CD-R, an optical disc on which users can write once, but not erase
CD-RW, an erasable multisession disc.
Is this DVD-Rom, DVD-R/DVD+R, or DVD-RW/DVD+RW/DVD+RAM:
a high-capacity optical disc that users can read but not write on or erase
DVD-Rom
Is this DVD-Rom, DVD-R/DVD+R, or DVD-RW/DVD+RW/DVD+RAM:
competing DVD-recordable WORM formats, on which users can write once but not erase their own items (i.e. video, audio, photos, graphics, and text)
DVD-R/DVD+R
Is this DVD-Rom, DVD-R/DVD+R, or DVD-RW/DVD+RW/DVD+RAM:
competing DVD-rewritable formats that users can write on multiple times
DVD-RW/DVD+RW/DVD+RAM
a server that isplaced on a network with the sole purpose of providing storage to users, computers, and devices attached to the network
netwrok attached storage (NAS)
a magnetically coated ribbon of plastic capable of storing large amounts of data and information
tape
A _____ _____, reads and writes data and information on a tape
tape drive
contains a magnetic stripe that stoes information
magnetic stripe card
stores data on an integrated circuit embedded in the card
smart card
consists of an antenna and a memory chip that contains the information to be transmitted via radio waves
RFID tag
_________ and __________ store microscope images of documents on a roll or sheet film
microfilm
microfiche
