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3-OF-9 Bar Code
CHAPTER 11 AUTOMATED SUPPLY With  the  ever-increasing  use  of  automatic  data processing  (ADP),  it  is  inevitable  that  the  Navy  adapt as many of its tedious and time-consuming tasks as possible  to  automated  procedures.  In  fact,  the  recording and reporting discussed in the preceding chapters can, to some degree, be accomplished by punched cards, magnetic tapes, and bar codes. This   chapter   discusses   the   more   common applications  of  automatic  data  processing  with  regard to  supply  procedures.  You  are  not  expected  to  become a  Data  Processing  Technician,  but  since  you  will undoubtedly  work  with  some  form  of  automated  supply during your time in the Navy, it is to your advantage to understand   the   principles   involved.   You   will   be concerned   primarily   with   the   Shipboard   Uniform Automated   Data   Processing   System   (SUADPS), Shipboard  Uniform  Automated  Data  Processing System-Aviation  (SUADPS-AV),  and  the  Shipboard Nontechnical ADP Programs (SNAP I and II). DATA  PROCESSING  TERMS The growth of data processingc has resulted in a vocabulary peculiar to that field. It is necessary that you understand a few of the basic terms as you study this chapter. EAM—Electric   Accounting   Machine   has   the capability  to  perform  specific  jobs.  Each  operation must be controlled by an Operator. The machine reads input   from   punched   cards,   performs   arithmetic computations  much  like  a  desk  calculator,  and  produces output in the form of listings and/or punched cards. EDP—Electronic  Data  Processing  uses  electronic circuitry  (computers)  to  accept  input  from  punched cards,   magnetic   tapes,   scanners,   or   typewriter keyboards. They perform computations at very high speeds, store and retrieve data, and produce output in the form of punched cards, listings, and/or magnetic tapes. ADP—Automatic  Data  Processing  is  a  term  for electronic   data   processing.   Actually   it   is   more inclusive,   covering   both   EDP   and   EAM.   Current emphasis is on computerized equipment. With the use of optical scanners it is possible to have an ADP system without  the  use  of  punched  cards.  However,  you  should understand  that  ADP  can  and  does  include  both. BAR  CODE—A  bar  code,  called  3-of-9,  can  be read by a scanner and is used in ADP. This code is similar  to  the  Universal  Product  Code  (UPC)  used  on grocery items. However, unlike the UPC, 3-of-9 can represent more than just numbers. Figure 11-1 is an example of a bar code label for an NSN. INPUT—The data that is fed into an automated system. OUTPUT—The end result of input and machine instructions  that  is  produced  in  usable  form  (cads, printouts,   etc.). All  EAM/ADP  operations  must  be  covered  by detailed,  step-by-step  instructions  to  achieve  the  desired results.  The  instructions  for  EAM  operations  are referred to as PROCEDURES. They are divided into separate steps that an operator must apply to each machine  by  the  use  of  a  wired  control  panel.  The instructions  for  an  ADP  processing  operation  are  called a PROGRAM and may consist of a great many steps that  are  performed  autmatically  in  sequence.  EAM procedures are printed instructions to the operator. The ADP program is coded instructions to the computer. THE PUNCHED CARD Many automated procedures make use of punched cards. Figure 11-2 shows an example of a standard 80-column card and how the punch locations are used to record data. Most of the cards you use will not look like this one; e.g., the DD Form 1348m. They may be Figure 11-1.—Example of a bar code label for an NSN. 11-1

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