Computer Jargons J-S

J

JAVA :

An   object   oriented  language ,  developed  by  Sun Micro
systems  of  USA.  It  is  a platform  independent  language, 
known  as  the  Internet.

JOB :

A   collection  of   specific  tasks   constituting  a  unit   of 
work  for  a  computer.

JUSTIFICATION  :

Left   justification   means  starting   with   the  left  most 
columns.   Right  justification  means  staring  with  the  right 
most  column.

                                              K

KEYBOARD :

An  input   device  used  to  enter data.

KEY FIELD :

A  unique  field   in  a  record  used  to  distinguish  one record   from another.

                                                L

LAN  (  Local  Area Network )   :

A   more  or  less  self  contained   network   that   may connect   to   the Internet,    usually  in   a  single  office  or building.

LANDSCAPE  :

Option  used   to  print  in  horizontal  in   word processor.

LANGUAGE SOFTWARE  :

The  set  of   instructions   written   in   a programming   language   to solve   a  program.

LASER :

The   acronym  for  Light   Amplification by Stimulated    Emission of   Radiation.   It   is   a   device  that produces   a  narrow,   coherent   beam of light.Coherent means  that   all   the   light   waves   are  moving   in unison  
so   that  the  beam  does   not  disperse   or  spread and become  fainter   as  ordinary  light  does.

LASER PRINTER :

A   very   high   speed   printer   that uses a combination of laser beam  
electro-photographic  techniques  to   create   printed   output   at speed   in   access   of  13,000   lines   per  minute.

LIGHT PEN :

A pen shaped device that is used as a an input device to computers  by writing or sketching on the screen of a cathode ray tube.      

LINE :

A   printer   that appears to print one line at a time.

LIQUID CRYSTAL DISPLAY ( LCD ) :

Each   pixel   is   filled   with   a   transparent  material becomes polarised.

LIVE WARE :

Programmers,   operators  and  users of computers who   perform various   tasks   on  computer.

LOGICAL OPERATORS : 

It  combine  two  or   more   relational   expressions to   evaluate   a  single   value   as  TRUE or FALSE.

LOGO TURTLE :

The  small  Turtle  that  draws  pictures  and  does calculations, according to  our  instructions.

LOGO :

Logic  Oriented  Graphic   Oriented   a  computer language,   is  basically   for   children   developed   in  1967 by  Wally  Feurzeing,   Danny and  Seymour   Papert.

LOW LEVEL LANGUAGE :

A   computer  language   written  in  specialized or compilation   to create   a  finish  program. 

                                                       M 

MACHINE LANGUAGE  :

Written   in  1s   and   0s  which  represents   the  electronic  signals   
ON  and OFF   respectively.

MACRO  : 

In   Excel   Macro  is a  serious   as   a  single  procedure. 

MAIL MERGE :

Used  to  create   from   letters  mailing  labels, envelop  or  catalogues.

MARK  :

The   first   electronic   computer,   developed   by   Howard  Aikens. 

MAXIMIZE BUTTON :

A  button  at   the   top  corner of   the   Windows, used  to  open  the  screen   to   its maximum  size.

MBR INFECTOR  :

These  viruses   infects  program   of  the  hard   disk  drive.

MEGAHERTZ :

A  measurement,   in   million   of   the   number   of  times   sometimes  oscillates   or vibrates.      
MEMORY  UNIT DEVICE :

The   storage   unit   C.P.U   which  stores  the  data   entered  and   the result   processed. 

                                                      S

SECONDARY   GENERATION OF COMPUTER :

Invented   in   between  1955  to 1963.  
Eg.  IBM 700,   IBM 1401, IBM 1620,   IBM 7094,    CDC 1604, 3600,    R.CA 50,  UNIVAC  1108.

SECONDARY STORAGE :

A  part   of   memory   unit   used  in  writing ,   reading  and   storage the   information  for   a  long period.

SERVER :

Part  of   a  network   that   supplies   files   and  services   to    clients.  A   file   server   is   dedicated   to storing   files,   and  a  server  provides printing  for  many PCs.   A   mail   server   handles  mail   within   a   network and with  the  Internet.

SLIDE SERVER :

Invented  by William  Oughlted  uses   logarithm  for calculation.

SOFTWARE :

The   instructions   that   we  feed   into   the   computer  in  the   form  of a   program  or  an  application.

SOROPAN :

Another  name for  Japanese Abacus.

SOURCE WORKBOOK :

The workbook containing   the source data. 

SPEAKER :

An  output  device   that   produces   audio   output of high -quality recorded   voice,   music  and   sounds   through head  phones  or  external speakers.

STANDARD  MODE  :

A  mode  of   calculator   accessory  in  Windows  to perform  simple mathematical   calculations.

STANDARD TOOL -BAR :

It   display   various  commands   for   document   editing in  MS word.

STATEMENTS  IN BASIC :

Statements   are  instructions  which   start  with  a  line number.

STATUS BAR :

It   tells   the  number   of   pages  in   the   document and   the  current page,    etc  in  MS word.  

STEALTH   VIRUSES :

These   viruses   conceal   themselves   from   detection by   a  virus scanner,  by   constantly   changing  their  code.

STRING CONSTANTS :

Used   for  comparison  and  references.

STRING VARIABLES :

Represent   a   string  of  characters  or  alphanumeric constants.

SUAN- PAN :

Another   name   for   Chinese   abacus.

SUB- DIRECTORY :

Directory   inside   the   root  directory.

SYSTEM SOFTWARE :

Allows   to   work    with   the   computer   along   with  the   associated    utility  programs.