• September 21, 2005 21 Sep'05

    optical media

    Optical media - such as the compact disk (CD) - are storage media that hold content in digital form and that are written and read by a laser; these media include all the various CD and DVD variations, as well as optical jukeboxes and autochangers.  Continue Reading

  • September 21, 2005 21 Sep'05

    RAS (row address strobe)

    In computer memory technology, RAS (row address strobe) is a signal sent to a dynamic random access memory (DRAM) that tells it that an associated address is a row address.  Continue Reading

  • September 21, 2005 21 Sep'05

    defragmenter

    A defragmenter is a software utility that rearranges the fragments or discontiguous parts of each file stored on a computer hard disk so that the small, empty storage spaces adjacent to fragments can be used, effectively creating new storage space ...  Continue Reading

  • September 21, 2005 21 Sep'05

    ASPI (Advanced SCSI Programming Interface)

    ASPI (Advanced SCSI Programming Interface) specifies how an application program can communicate with a SCSI (Small Computer System Interface) device through a common SCSI device driver.  Continue Reading

  • September 21, 2005 21 Sep'05

    nonvolatile storage (NVS)

    Also see our Fast Guide to RAM. Nonvolatile (sometimes written as "non-volatile") storage (NVS) - also known as nonvolatile memory or nonvolatile random access memory (NVRAM) - is a form of static random access memory whose contents are saved when a...  Continue Reading

  • September 21, 2005 21 Sep'05

    switching fabric

    Switching fabric is the combination of hardware and software that moves data coming in to a network node out by the correct port (door) to the next node in the network.  Continue Reading

  • September 21, 2005 21 Sep'05

    DVD (digital video disk)

    DVD is an optical disc technology with a 4.7 gigabyte storage capacity on a single-sided, one-layered disk, which is enough for a 133-minute movie.  Continue Reading

  • September 21, 2005 21 Sep'05

    diskette (floppy disk)

    A diskette is a random access, removable data storage medium that can be used with personal computers.  Continue Reading

  • September 21, 2005 21 Sep'05

    FPM DRAM (Fast Page Mode DRAM)

    Prior to newer forms of dynamic random access memory (DRAM), FPM DRAM (Fast Page Mode DRAM) was the most common kind of DRAM in personal computers.  Continue Reading

  • September 21, 2005 21 Sep'05

    EDO RAM (extended data output RAM)

    EDO (extended data output) RAM is a type of random access memory (RAM) chip that improves the time to read from memory on faster microprocessors such as the Intel Pentium.  Continue Reading

  • September 21, 2005 21 Sep'05

    nonvolatile memory

    Also see our Fast Guide to RAM. Nonvolatile memory is a general term for all forms of solid state (no moving parts) memory that do not need to have their memory contents periodically refreshed.  Continue Reading

  • September 21, 2005 21 Sep'05

    optical storage

    Optical storage is any storage method in which data is written and read with a laser for archival or backup purposes.  Continue Reading

  • September 21, 2005 21 Sep'05

    access time

    Access time is the time from the start of one storage device access to the time when the next access can be started.  Continue Reading

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