Page 16 - Appendix Final
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DIP Switch (Dual In-line Package switch)                Hard  Drive/Disk  or  ‘C’  Drive.  Both  refer  to  the  physical
      A small toggle switch  embedded in a Dip chip.          disks,  containing  either  the  Operating  System  or  stored
                                                              data,  and  permanently  attached  to  the  computer.  A  Disk
      Diskette                                                used in a Drive can store data but is usually removed from
      A  thin  electronic  disk  or  platter  enclosed  in  a  plastic  or   the Drive and stored outside the computer.
      cardboard  cover.    Better  known  as  a  ‘Floppy  disk’.(3.5”)
      The word ‘Floppy’ originates from the 8” flexible envelope   Drive mapping
      disk introduce by IBM and the SHOGERT 5.25”flexible en-  A name or a letter assigned to a disk drive. A or B  is re-
      velope disk. These disks were quite literally floppy.   served  for  first  and  second  floppy  disk  drives.  ‘C’  for  the
                                                              primary  hard  disk  (Usually  the  System  drive).    When  you
      DMA (Direct Memory Access)
                                                              add  drives,    Drive  mapping  will  assign  to  them  the  next
      Specialized channels or a microprocessor that can transfer   available  drive letter. (D,F,E…)
      memory, bypassing the CPU
                                                              Driver
      Domain                                                  A small piece of software containing unique information on
      Is  a  singular  collection  of  computer  all  connected  to  a   each  individual device (internal or external). When a de-
      common server. Domains are usually found in large or-   vice  is  needed  the  operating  system  calls  (Activates)  the
      ganisations or business environments and can consist of   driver and the driver drives the device.
      just a few computers to dozens. Although Domains can
      be  connected  to  the  internet,  they’re  usually  private      DVD
      and access to them restricted.
                                                              (Digital Versatile Disk.) Looks and behave exactly like a CD
      Domain Name                                             but can hold a great deal more data. A CD can hold Mega-

      The Doman name is the part of the internet address (URL)   bytes of data whereas a DVD can hold Gigabytes of Data.
      containing the name. For instance; in the address, www.
                                                              DVD-R
      noplace.com,  the  Domain  name  is  ‘noplace.com’.  In  an   (Digital Versatile Disk — Recordable.) A DVD-R can only be
      email  address,  winuser@everyplace.com,  the  Domain
      name  is  ‘everyplace.com’.  A  Domain  contains  a  name,   written to once. The data is permanently stored on the disc
                                                              and  can  be  read  as  many  times  as  needed.  It  cannot  be
      “noplace”  or  “everyplace”  and  is  always  followed  by  the
      Domain, com, net or co.uk.                              erased.

                                                              DVD-ROM
      DOS: (Disk Operating System)                            (Digital Versatile Disk — Read Only Memory.) Comes with
      The first version developed for IBM was known as PC DOS
                                                              data  already  stored  on  it.  Usually  Disks  bought  over  the
      followed by Microsoft’ MS DOS. The DOS operating system   internet or from a local store containing films or games. A
      is  not  viewed  as  user  friendly.  The  screen  is  usually  all
                                                              DVD-R once written too becomes a DVD-ROM
      black with only a small white cursor as the insertion point.
      The user must type in commands. For the system to work   DVD-RW
      effectively the user must know the commands, usually by   (Digital Versatile Disk — Rewritable) Can be used multiple
      memorizing them, and have a clear understanding of the   times. You can write data to it and delete data from it as
      commands function.                                      many time as you like.
      The use of both PC DOS and MS DOS have remained rel-
      atively unchanged since their conception. However, oth-
      er versions of DOS are available                        ELAM (Early Launch Antimalware)
                                                              ‘ELAM’  is  the  first  antimalware  to  launch  at  boot-up.  It
      Download                                                checks all drivers and Third party software, preventing any
      Download  is  commonly  understood  to  mean  getting  and   spoof or unsigned software from loading. Due to this, users
      downloading  some  sort  of,  updates,  driver  or  software   may  notice  high  disk  and processor  activity,  during  boot-
                                                              up. This ‘Antimalware’ can be replaced by Third Party soft-
      from  the  internet  onto  you  computer.  However,  down-
      loading starts the minute you connect to the internet. Eve-  ware.

      ry web page you see on your browser has to be download-  Emoticons
      ed. Every e-mail you receive has to be downloaded. Every-
      thing you experience on the internet has to be download-  Small  symbols  (sometimes  referred  to  as  'smilies')  which
                                                              can be typed on a computers’ keyboard. Access the full list
      ed.. Without the ability to download, the internet, would
      sadly, just disappear.                                  with the keystrokes, ‘Key Win + period key.
                                                                    For example, :-) is a 'happy' emoticon, which you can
                                                              clearly see represents a happy face if you turn your head
      Drive  ( or Optical drive)
                                                              90  degrees  anti-clockwise.  Emoticons  are  often  used  in
       A  Drive  is  a  hardware  device  capable  of  reading  and   email messages and chat room conversations.
      writing too Cd’s and DVD disks. ‘Disk’ and ‘Drive’ are often
      used to mean the same thing;

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