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43 terms

CIS 111 Final Review Chapter 6

Discovering Computers: Fundamentals
STUDY
PLAY
Hard disk
Storage device that contains one or more inflexible, circular platters that use magnetic particles to store data and information
Capacity
Number of bytes (characters) a storage medium can hold
Longitudinal recording/ Perpendicular Recording
Number of platters it contains, and the composition of the magnetic coating on the platters
Network attached storage (NAS)
device is a server connected to a network with the sole purpose of providing storage.
Raid
Redundant array of independent disks configuration
External hard disk
Separate freestanding hard disk that connects with a cable to a USB or Firewire port on the system unit or communicates wirelessly
Removable hard disk
Can be inserted or removed from a drive
Disk controller
Consists of a special-purpose chip and electronic circuits that control the transfer of data, instructions and information from a disk to and from the system bus and other components in the computer.
Solid state media
Consist entirely of electronic components and contain no moving parts
Solid state drive
SSD; Storage device that uses flash memory to store data, instructions, and information.
Memory card
Removable flash memory device that you insert and remove from a slot in a computer, mobile device, or card reader/writer
USB Flash drive
Flash memory storage device that plugs in a USB port on a computer or mobile device
Expresscard Module
Removable device that fits in an Expresscard slot.
Cloud Storage
Internet service that provides storage for computer users
Optical disc
type of storage media that consists of a flat round portable disc made of metal, plastic, and lacquer
CD-Rom
a CD that contains data a computer can read, but to which the computer cannot write new data
CD-R
Multi-session disc on which users can write, but not erase
CD-RW
Compact disc rewritable Erasable and can be written on multiple times
Archive disc
Used to store photos from a photo sharing community in the jpg file format
Picture CD
stores digital versions of film using a jpg file format
DVD-ROM
High capacity disc which users can read but not write on or erase
Blu-ray Disc
(BD) currently has storage capacities of 100 GB
HD-VMD
Versatile Multilayer Disc high density format with a capacity of 40 GB or more
DVD-RW, DVD-+RW, , DVD-RAM
3 Competing high-capacity rewritable DVD formats
BD-RE
High-capacity rewritable DVD format
Tape
Magnetically coated ribbon plastic capable of storing large amounts of data and information at a low cost
Magnetic stripe card
Credit card, entertainment card, bank card, or other similar card with a stripe that contains information identifying you and the card.
Smart card
Similar in size to ATM card stores data on a thin microprocessor embedded in the card
Microfilm
100 -215 foot roll of film
Microfiche
Small sheet of of film usually about 4 x 6 inches
Access time
Measures the amount of time it takes a storage device to locate an item on a storage medium
RAID
Group of 2 or more integrated hard disks
Disk controller
consists of a special-purpose chip and electronic circuits that control the transfer of data, instructions, and information from a disk to and from the system bus and other components in the computer.
USB Flash drive
A flash memory storage device that plugs into a USB port or a computer or mobile device.
Users subscribe to a cloud storage service for
Access files from any computer that has Internet access, allow others to access their files, store offsite backups of data
LightScribe
Technology works with specially coated optical discs to etch labels directly on the disc
What storage requires sequential access
Tape
Magnetic stripe
Strips of magnetic tape, which are usually, found on the back of plastic credit and debit cards. The strip usually holds information concerning Customers name and Account number
Backup
Duplcate of a file, program, or disk placed on a separate storage medium that you can use in case the original is lost, stolen, or destroyed
Solid state Media
Media which consist entirely of electronic components, such as integrated circuits, and contain no moving parts
Solid state drive
Storage device that typically uses flash memory to store data,instructions, and information
Card reader/writer
Device that reads and writes data, instructions, and information stored on memory cards
External hard disk
A separate freestanding hard disk that connects with a cable to a USB port or Firewire port on the system unit or communicates wirelessly