| JAVA |
Java
technology is a portfolio of products originally developed by Sun
Microsystems that are based on the power of networks and the idea that the
same software should run on many different kinds of systems and devices. |
| JAVABEANS |
JavaBeans
technology is the component architecture for the Java 2 Platform, Standard
Edition (J2SE). Components (JavaBeans) are reusable software programs that
you can develop and assemble easily to create sophisticated applications.
JavaBeans technology is based on the JavaBeans
specification |
| JAVASCRIPT |
A
scripting language from Netscape that is only marginally related to Java.
Java and JavaScript are not the same thing. JavaScript was designed to
resemble Java, which in turn looks a lot like C and C++. The difference is
that Java was built as a general-purpose object language, while JavaScript
is intended to provide a quicker and simpler language for enhancing Web
pages and servers. JavaScript is embedded as a small program in a web page
that is interpreted and executed by the Web client. The scriptor controls
the time and nature of the execution, and JavaScript functions can be
called from within a Web document, often executed by mouse functions,
buttons, or other actions from the user. JavaScript can be used to fully
control Netscape and Microsoft Web browsers, including all the familiar
browser attributes. |
| JAY MINER |
Often referred to as the father of the Amiga, he
was one of the group of three engineers responsible for the original design for the Amiga.
Before Amiga he designed some of the first digital voltmeters & calculators, and the
VCS games console for Atari. In later years he worked for Ventritex where he designed the
chip that is central to the Ventritex implantable cardiac defibrillator that can be
programmed externally. With his Cocker Spaniel "Mitchy" he was a regular at any
Amiga gathering and always ready to talk about his brainchild. Unfortunately in his later
years he experienced serious kidney problems and died on June 20 1994 at age 62. |
| JFF
(pronounced
"J-F-F") |
Acronym for JPEG File
Format, and is one of the many file suffixes used for files stored in JPEG format. |
| JFIF
(pronounced
"J-F-I-F") |
Acronym for JPEG Format
Image File, and is one of the many file suffixes used for files stored in JPEG format. |
| JOINT PHOTOGRAPHIC EXPERT GROUP
(acronym JPEG) |
Normally refers to the standards that have been
defined by this group for inter-platform image compression. The standards applies to
single frames only (not animations or moving pictures which use MPEG instead), and the
amount of image loss varies, depending on the degree of compression used. At maximum
compression rates an image can be reduced to as little as 1/40 of the original with
minimal loss. Images in this format generally have a suffix of ".jff",
".jfif", ".jpg" or ".jpeg".
• PC:
Many programs written for MS-DOS, Windows 95
and Windows 98 only recognise files with the ".jpg" extension and refuse to read
files with any of the other extensions, so simply change the extension to
".jpg".
|
| JOYPAD |
A device to control the movement of images on
the screen using a set of buttons, similar to using the cursor keys, rather than using a
joystick. Some even use infared control but are generally less effective than cable types used by
most of the latest games machines, as well as the CD-32. |
| JOYSTICK |
A device to control the movement of images on
the screen. Adigit joystick uses four switches arranged in a cross formation
and typically has 4 or 8 available positions (up, down, left, right and
optionally the diagonals between them) with a spring-loaded hand grip. An analog joystick
uses four potentiometers (variable resistors) in a similar pattern giving
an almost infinite number of positions. Both usually have one or more
"Fire" buttons on the top, side or front of the joystick and/or
the base. Some of the latest models have resistance and feed back servos
built in to give a more realistic feel. |
| JPEG
(pronounced "J-peg") |
Acronym for Joint Photographic Expert Group, and normally
used instead of the rather verbose title it represents. It is also used as one of the many
file suffixes for files stored in JPEG format. |
| JPG
(pronounced
"J-P-G") |
An abbreviation for JPEG,
that is one of the many file suffixes used for files stored in JPEG format. |
| JUSTIFICATION |
The way text is formatted on a line. It can
either be "centred", "flush", "left" or "right"
justified. |