Page 12 - Appendix Final
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Base memory
      The memory that come with a particular computer. It can   Bluetooth
      start at 1 MB of Ram but can be upgraded to a much high-  A  wireless,  short  wave  technology,  for  short  distances
      er level.                                                communication and the transfer of data between devices

      Basic Input Output System (or BIOS)                      Boot (or Boot-up)

      A  small  program  stored  on  a  chip  on  the  motherboard.   To start (or boot) a computer. Common error ‘Boot a Pro-
      When you switch on your computer this program checks     gram’ correct usage is to ‘Launch a Program’
      the hardware configurations on your computer, and loads
      the required drivers. If everything’s OK the Bios writes the   Broadband
      operating systems’ start-up file to memory and hands over   With its ADSL high speed connection, broadband is capa-
      to the system which starts to load. If the initial check fails   ble of carrying several signals at once and can send and
      the bios will stop and if possible write the cause of the fail-  receives  date  at  very  high  speeds  across  the  internet.
      ure to the screen. The Operating system will not load until   With its multi signal capabilities you can browse the net,
      the failure is corrected. ( see, UEFI)                   send fax and make telephone calls all at once.

      Batch File                                               Bug
      A file with an extension .BAT. BAT files are written in a text   A Bug is a mistake in a computer program. Not a virus. A
      editor  like  Windows  Notepad  and  contain  a  list  of  ‘Dos'   Bug can cause a program to behave erratically, to freeze
      commands which are read by your system and executed in   or simply not start.
      sequence.  .Bat  file  are  written  in  standard  ASCII  code,
      however, if you don’t understand the ‘Dos’ syntax the con-  Burn (Burning)
      tent will be unintelligible                              Copping music, videos and other forms of data and ob-
                                                               jects from your computer onto a removable CD, or DVD.
      BAUD (baud = rate)
      (‘Baud  rate’  is  not  a  valid  reference)  The  rate  per   Bus
      second a signal traverses, usually, a telephone line     A common channel between multiple devices. The com-
                                                               puter main bus is known as a local or processor bus. It
      Bcc (Blind Carbon Copy).                                 provides  access  for  data  transfer  from  CPU  to  memory
      Used  in  e-mail  messaging.  As  with  the  ‘To’  field  and  the   and peripheral buses. The main bus has two channels, 1.
      ‘Cc’ field you can type one or more e-mail address into the   The addresses are sent over the Address bus to memory.
      ‘Bcc’  field.  However,  the  difference  being,  any  addresses   2. The Data bus sends data to that location.
      you put in the ‘Bcc’ field will not be visible to the recipient.
      They’ll not know who else received the e-mail. Hence the   Byte
      ‘Blind’ in carbon copy.  In the former two fields the receiv-  A Byte = 8 Bits. A byte is a computer measurement and is
      er  knows all the recipients of the e-mail.              approximately one character. (See: Binary)

      Benchmark                                                Cache (Pronounced ‘kash’)
       A measurement used to compare the performance of two    A  small  piece  of  reserved memory,  used  for  storing re-
      or more similar components or systems.                   cently  used  data  for  fast  access  should  it  be  needed
                                                               again. Varying sizes of cache are used by CPU’s. the oper-
      Binary                                                   ating system, Web Browsers and  hard drives.
      Consists of two bits, ‘0 & 1’. When you enter information
      into a computer it’s converted into ‘Binary’.  Press ‘A’ on   Cc (Carbon copy.)
      the keyboard and the computer sees 01000001 = a Byte     Used in e-mail messaging. Putting several e-mail address-

      BIOS (pronounced ‘By-oss’)                               es  into  the  Cc  Field  and  separating  them  with  a  semi-
      see ‘Basic Input Output System’.                         colon (;) will send the e-mail to each address and each
                                                               recipient will see all the addresses the e-mail was sent to.

      Bit                                                      CD (Compact Disk.)
      A Bit is a ‘binary digit’ either,  0 or  1. It’s the smallest piece
      of  data  a  computer  can  handle.  A  computer  can  handle   a thin circular disk capable of holding up to 800 MB of
                                                               data  (there  is  however  dual  storage  disks  capable  of
      millions  of  bits  in  its  normal  working  routine.  To  make
      sense of this, Bits are usually grouped together in a byte,   holding 4Gb of data). Compact disks come in several for-
                                                               mats. CD-R (recordable) can be written too only once. CD-
      kilobyte, megabyte, or gigabyte.
                                                               RW (rewritable) can be formatted and written too multi-
      BitLocker                                                ple times. CD-ROM (read only) cannot be written too and
      Full drive encryption. Manually applied in windows 10. Ap-  normally contains (purchased) programs, films and music.
      plied by default when installing Windows 11              After writing to a CD-R it becomes a CD-ROM.

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