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51 Cards in this Set
- Front
- Back
To wokr with a saved file, the file must be removed from___________.
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nonvolatile memory
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Minimun time it takes the device to locate a single item on a disk.
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Access Time
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A compact disc stores items in a single track that spirals from the _____ of the disc.
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center
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To read from or write on a floppy disk, a floppy disk drive must support that floppy disk's _______.
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Density
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With ______ the disc acts like a floppy or hard disk, allowing data, instructions, and information to be written onto it multiple times.
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CD-RW
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A typical floppy disk can store 1.44 ___ of data.
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MB
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The dirve designation of a CD-ROM or DVD_ROM drive usually follows alphabetically after that of the _______.
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hard disk
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Issued through the operating system to define, amoung other items, the file allocation table for each partition.
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high-level format
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The average access time for current floppy disk drives to locate an item on a floppy disk is 84 ms, or approximately ____ of a second.
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half
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Realibility is improved with ______ through the duplication of data, instructions, and information.
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RAID
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A piece of metal that covers an opening in the rigid plastic shell.
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Shutter
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the location of a single track through all platters
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cylinder
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A ________ can be purchased that already contains pictures, or can be used to record an individuals own pictures.
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Photo CD
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occurs when a read/write head touches the surface of a platter, usually resulting in a loss of data or sometimes loss of the entire drive
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head crash
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The flow of data, instructions, and information to and from a disk is managed by a special-purpose chip and its associated electronic circuits
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disk controller
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Because of the stacked arrangement of hard disk platters, the location of the read/write heads often is reffered to by its _____ instead of its track.
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cylinder
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A portion of the memory that the SPU uses to store frequrntly accessed items.
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Disk cache
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________ is a RAID storage design that improves disk access times, but does not offer data duplication.
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Duplication
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The distance between the read/write head and the platter is approx. two _______ of an inch
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millionths
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Special purpose chip and its associated electronic circuits that managed (controls) the transfer of items from the hard drive to the rest of the computer. Two types: EIDE and SCSI
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hard disk controller (HDC
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A typical hard disk can store 8 ___ of data.
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GB
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Organizes both sides of each platter into tracks and sectors to define where items will be stored on the disk
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low-level format
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Mechanism used to record and receive items to and from a storage medium
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Storage device
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Two types of hard disk controllers for personal computers are _____ and _____.
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IDE and SCSI
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A group of two or more integrated hard disks
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RAID
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Our gideline for proper care of floppy disks is to _____________.
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avoid heat, cold, and magnetic fields
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A duplicate of a file, program, or disk that can be used if the original is lost, damaged, or destroyed
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backup
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____, ____, ____ is the fastest and most ecpensive common type of tape drive.
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QIC, DAT, DLT
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A mechanism that accurately reads from or writes items on the floppy disk
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Read/Write head
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Measured by the number of bytes it can hold. (of a speed of a storage device)
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Capacity
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Special purpose chip and its associated electronic circuits that managed (controls) the transfer of items from the hard drive to the rest of the computer. Two types: EIDE and SCSI
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hard disk controller (HDC)
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The ____ is like a library card for a disk that contains a listing of all files, file types, and locations.
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FAT
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If a hard disk has only one partition, the hard disk usually is clled, or is designated, drive __.
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C
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When a program needs data, instructions, of information, the CPU checks the disk ______.
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cache
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A special high-capacity disk drive developed by Iomega corporation that uses a 3.5 inch zip disk.
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ZIP(r) drive
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PC cards most often are used with _____ and ______ computers.
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laptops & portable
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A typical disk stores on ____ and has 80 tracks on each side of the recording surface with 18 sectors per track
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both sides
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A CD_ROM can hold nearly 700 MB of data, instructions, and information, or about ____ times that which can be stored on a high-density 3.5-inch floppy disk.
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450
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A table of information used to locate files on a disk.
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File allocation table
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Portable, inexpensive storage medium that consists of a thin, circular, flexible plastic disk with a magnetic coating enclosed in a square-shaped plastic shell.
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Floppy Disk or Diskette
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A silver-coated compact disk that uses the same laser technology as audio CD's for recording music.
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CD-Rom
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The time it takes the drive to transmit data, instructions, and information from the CD-Rom to another device
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data transfer rate
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__________ is a Windows utility that frees up space on a hard disk by listing files that can be deleted safely.
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Disk Cleanup
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Extremely high capacity compact disc capable of storing from 4.7 GB to 17 GB
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DVD-Rom
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Consists of several flexible, circular disks, called platters, on which items are stored electronically
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hard disk
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Similar in size to a credit card or ATM card, stores data on a thin microprocessor embeded in a card.
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smart card
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The physical material on which items are kept.
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Storage Medium
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Means of paying for goods and services over the internet
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Electronic money (e-money) or Digital Cash
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A ______ is the smallest unit of space used to store data.
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cluster
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_________ often os performed to make hard disks more efficient (faster) or to allow the installation of multiple operating systems on the same hard disk.
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Partitioning
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Used to store microscopic images of documents on roll or sheet film (uses a 100- to 215- foot roll of film)
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Microfilm
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