14. HARC Hitachi A remote copy
15. HARQ Asynchronous function for HDS
16. HASP Remote Copy storage products.
HARC allows
Hybrid movement of large
Automatic amounts of data
Repeat over any distance
reQuest with full data
integrity and
Houston minimal impact on
Automatic performance.
Spooling a sheme wherein
Program information blocks
are encoded for
partial error
correction at
receiver and
additional,
uncorrected errors
are retransmitted.
A mainframe
spooling program
that provides task
management, job
management, and
data management
functions.
131
17. HAT Heap Analysis Tool for tracking
18. HAVi Tool down heap
19. HBA problems in Java
20. HCI Home Audio programs
Video a vendor-neutral
21. HCL interoperability audio-video
standard aimed
host bus specifically at the
adapter home entertainment
environment.
Human- An adapter used to
Computer connects a host
Interaction computer to a
storage network.
Hardware The study of how
Compatibility humans interact
List with computers,
used to design
computers which
are easy for humans
to use.
A list of computers
and peripherals that
have been tested by
Microsoft to work
with Windows NT
or Windows 2000.
132
22. HCM human Social software covers a
23 HCO capital range of functionality,
management from wikis and blogs to
24. HCR social networks and
25. HCT High- social bookmarking.
Capacity HCO drives use blue-
Optical laser technology and
standard 120-millimeter
Huffman CD/DVD-size discs for
Codeword as much as six times the
Reordering capacity of traditional
5.25-inch magneto-
hardware optical (MO) technology
compatibility MPEG-4 Audio Error
tests Resilience (ER)
technique that avoids
133 error propagation within
spectral data
A suite of tests from
WHQL to verify
hardware and device
driver operations under a
specific operating
environment. These tests
exercise the combination
of a device, a software
driver, and an operating
system under controlled
conditions.
26. HD / Hard Disk permanent storage
HDD Drive medium used on
computers. A HDD
27. HD high- consists of a number of
DVD density rigid discs that store all
DVD of the computer
28. HDA programs and data on
Head Disk the computer, even
Assembly when the power to the
computer is switched
off.
a high-density optical
disc similar to, but not
compatible with, BLU-
RAY DISC, formerly
marketed by Toshiba
but discontinued in
2008.
The mechanical parts of
a disk drive, including
the read/write heads,
platters, and other non-
electronic components.
134
29. HDCP High- a specified method
bandwidth from Intel for
28. HDLC Digital protecting copyrighted
30. HDMI Content digital entertainment
Protection content that uses the
DVI by encrypting its
High Level transmission between
Data Link the video source and
Control the digital display
(receiver).
High- An ITU-TSS link layer
Definition protocol standard for
Multimedia point-to-point and
Interfac multi-point
communications.
HDMI is a digital
interface whose
purpose is to permit
the transmission of
audio and video
signals through a
single cable, while
supporting faster data
rates than its normal
counterparts.
135
31. HDML Handheld Specifications allow
32. HDR Device Internet access from
33. HDR Markup wireless devices such
Language as handheld personal
computers and smart
header phones.
label A set of information
on a diskette or tape
High- that describes the
dynamic- contents of the
range diskette or tape.
imaging or digital imaging or an
High- image rendering
dynamic- technique
range A set of storage
rendering hardware resources
host- that are attached to a
discovered host system and are
resour available on the
operating system.
136
34 HDS Hitachi A vendor of enterprise
35. HDSL Data and modular storage
36. HDTP
37. HDTV Systems systems and software.
HDS is a wholly owned
subsidiary of Tokyo-
based electronics firm
Hitachi, Ltd.
High bit- Provides repeaterless
rate Digital digital transmission at
Subscriber 2Mbit/s for about 12000
Line feet (4km) over twisted
pair.
Handheld It presents the HDML to
Device the HDML interpreter in
Transport an appropriate format.
Protocol Developed for use in
wireless applications.
High High Definition
Definition television means
television broadcast of television
signals with a higher
resolution than
traditional formats allow.
It's a step change in
television technology
which provides far
clearer and more detailed
pictures than normal
137 "standard definition"
TV.
38. HDx Half duplex A device can either
/ HD receive or send data at a
High given time.
39. HE- Efficiency Lossy data compression
AAC Advanced scheme for streaming
Audio audio. It combines three
40. HEC Coding techniques: AAC,
Spectral Band
Header Replication (SBR), and
Error Parametric Stereo (PS)
Control Using fifth octet in
ATM cell header, ATM
equipment may check
for error and correct
contents of header.
Check character is
calculated using CRC
algorithm allowing
single bit error in
header to be corrected
or multiple errors to be
detected.
138
41. HEL Hardware This provides
42. HEP Emulation software-based
Layer emulation of features
43. HERF that are not directly
horizontal available in hardware.
enterprise A portal that serves a
portal broad population of
users across an
high energy enterprise — unlike a
radio VEP, which serves
frequency only a specific
segment of this
population
A HERF gun is used
to disrupt digital
equipment such as
computers by blasting
them with HERF
emissions.
139
44. HFC Hybrid second generation cable
45. HFS Fiber Coax TV infrastructure. HFC
networks combine both
optical-fiber and coaxial
cable lines. Optical
fiber runs from the
cable head end to
neighborhoods of 500
to 2,000 subscribers.
Hierarchical HFS is the file system
File System used for organizing files
on a Macintosh hard
disk. When a hard disk
is formatted for a
Macintosh computer,
the hierarchical file
system is used to create
a directory that can
expand as new files and
folders are added to the
disk
140
46. HFS+ Hierarchical The Mac OS
File System Extended file-system
47. HGFS Plus format. This format
48. HGML was introduced as
49. HHO part of Mac OS 8.1,
adding support for
filenames longer than
31 characters,
Unicode
representation of file
and directory names,
and efficient
operation on very
large disks.
Host-Guest VMware's name for
File System the guest-visible
aspect of a Shared
Hypertext Folder.
General A formatting code for
Markup marking up text files,
Language which makes up part
Hard Hand of SGML.
Off used in CDMA
systems, describes a
hand-off involving a
frequency change.
141
1. I²C Inter- a multi-master serial
Integrated computer bus invented by
2. I/O Circuit Philips that is used to attach
3. I2 low-speed peripherals to a
motherboard, embedded
4. I2C system, or cellphone. The
5. IA- name is pronounced eye-
32/64 squared-see or eye-two-see.
6. IaaS Input/Output Input/Output
Internet2
next-generation Internet
refers to consortium and
government efforts to define
a next-generation high-
speed Internet with strong
educational tools.
Inter- 2-wire bus developed by
Integrated Philips Semiconductors in
Circuit the early 1980's for efficient
inter-IC communications.
Intel
Architecture - acronym used in the names
32/64 of Intel processor
architectures.
IA-32: Intel
proprietary CISC architecture
integration as integration as a service
a service
142
7. IAB Internet The group that
8. IAD Architecture administrates the
9. IAM Board development of the
(previous Internet suite of
10. iAMT Internet protocols TCP/IP. The IAB
Activities has two investigative task
Board) forces, the IRTF and the
IETF. http://www.iab.org/
integrated A network device that
access device collects multiple types of
traffic (such as voice, data
or video) at an enterprise
site for transmission over a
service provider's network.
Identity and IAM is an authoritative
Access association of people with
Management identifiers such as ID
numbers and ID cards,
Intel Active access credentials such as
Management usernames/passwords and
Technology
authorization to access
data and services. Identity
and access management is
fundamental for providing
access to university
services.
Hardware-based
technology for remotely
managing and securing PCs
out-of-band
143
11. IANA Internet they manage IP address
Assigned space, root nameservers and
Numbers domain names among other
Authority things. They're being
replaced by
ICANN. http://www.iana.org/
12. IAP Internet a company that provides
Access access to the Internet. IAPs
Provider generally provide dial-up
access through a modem
and PPP connection, though
companies that offer
Internet access with other
devices
13. IAS Internet a RADIUS Server which
Authentication performs connection
Service authentication and
accounting for remote
access.
IAT Inside Air This is used in the
Temperature electronics industry to mean
the ambient air temperature
of the air mass within the
unit in discussion.
144
14. IB Interface IB stands for Interface Bus
Bus
15. IBM International Known informally as "Big Blue,"
Business IBM is one of the largest, most
16. IBG Machines well-known corporations that
designs and manufactures
17. IBO computer systems, software,
18. IBR networking systems, storage
19. IBS devices, and
microelectronics. www.ibm.com
interblock The space between records on
gap a storage medium.
An area or space on a data
medium (tape or diskette) to
indicate the end of a physical
record or block.
industry SAP's Public Services Solution
business unit Management
intelligent Web acceleration function
browser
referencing IBS is term for Internet
Internet Banking System
Banking
System
Group
145
20. IBSG Internet Cisco IBSG, company's
21. IBT Business global consultancy, helps
Solutions CXOs from the world's
22. IC Group largest public and private-
sector organizations solve
IntelliLight their most pressing
Broadband challenges.
Transport
A SONET-based point-to-
Internet point service providing
Based high bandwidth interfaces
Training over shared SONET
infrastructure facilities.
Evolution of the
computer based training,
which offers real-time
learning over the Internet
with a teacher.
integrated Many transistors and other
Circuit circuit elements
“integrated” on a single
I see silicon chip
Shorthand slang, IC,
meaning "I see".
146
23. ICA independent A proprietary protocol for an
Computing application server system,
Architecture designed by Citrix Systems.
The protocol lays down a
International specification for passing data
Compliance between server and clients, but
Association is not bound to any one
platform.
International Compliance
Association www.int-comp.org
24. ICANN Internet The ICANN is an non-profit
Corporation
For Assigned corporation that is responsible
Names and for allocating IP address and
Numbers managing the domain name
system. Every computer
connected to the Internet,
from servers to home PCs, has
an IP
address. http://www.icann.org/
25. ICC Internet Provides business-to-business
Commerce electronic commerce services
Corporation like Internet EDI, EDI fax, web
commerce, infosafe document
management and subsidiary
services. www.icc.net
147
26. ICCs integration SOA COEs, ICCs rely on
competency metadata repositories and
centers service registries to help
them manage the ever-
changing SOA and
integration scenarios.
27. ICDL International The ICDL Foundation
Computer works to promote an
Driving International certification
Licence of industry-standard
computing skills.
See http://www.ecdl.com
28. ICE in-circuit ICE is a debugging tool
emulator that takes the place of
(emulates) the processor
information on the target board.
and content
exchange ICE, an XML-based
standard protocol for
Interactive electronic business-to-
Connectivity business (B2B) asset
Establishment management.
ICE is a network protocol
148
29. ICF Internet ICF is a Windows XP
30. ICI Connection feature that protects
Firewall computers connected to
the Internet from
unauthorized access.
When ICF is enabled,
Windows keeps a log of
incoming requests from
other systems on the
Internet. If the request is
something the user has
requested, like a Web
page, the transmission
will not be affected.
Information- a technology
centric framework that enables
infrastructure information producers
and information
Interexchange consumers to organize,
Carrier share and exchange any
Interface content, anytime,
anywhere.
The interface between
carrier networks that
support SMDS (Switched
Multimegabit Data
Service).
149
31. ICM incentive applications automate
32. ICMP compensation functions for calculating
management and reporting on
33. ICMS commissions and
associated variable
compensation methods for
sales channels
Internet When information is
Control transferred over the
Message Internet, computer
Protocol systems send and receive
data using
incentive the TCP/IP protocol. If
compensation there is a problem with the
management connection, error and
system status messages regarding
the connection are sent
using ICMP, which is part
of the Internet protocol.
A system that provide the
sales manager with
decision support tools to
model various
compensation scenarios,
measure the impact of
those plans on sales
performance and
effectively communicate
incentive compensation
objectives
150
34. ICP Internet ICP license is a permit
Content issued by the Chinese
35. ICPP Provider Ministry of Industry and
Information Technology to
36. ICQ Intel Channel permit China-based
37. ICRA Partner websites to operate in
Program China. The ICP license
numbers for Chinese
I Seek You websites can often be
Internet found on the bottom of the
Content front webpage.
Rating
Association a program that provides
benefits and support to
registered members selling
Intel products, or solutions
based on Intel products.
The ICPP provides its
members with resources
and support to help build,
promote, sell, and service
Intel technologies
Instant messenger
program
an organization that
promotes voluntary
labeling of the content of
web pages so that filter
software can prevent
access to objectionable
sites.
151
38. ICS Incremental A mechanism to
Change monitor, export, and
39. ICSA Synchronization import changed items
40. ICSI (both hierarchy and
Internet content) between a
Connection database and an
Sharing information store or
between two information
stores
International Abbreviation used by
Computer Microsoft to refer to the
Security internet connection
Association sharing facility built into
Institute for more recent versions of
Clinical Windows. Allows multiple
Systems computers to share a
Improvement single internet connection
which is provided by one
152 computer in a group.
International Computer
Security Association
ICSI is a non-profit
organization that brings
together diverse groups
to transform the health
care system so that it
delivers patient-centered
and value-driven care.
41. ICT information A categorical term
42. ICU and sometimes used
communication (particularly in Europe) to
technology refer the combined fields
of computing and
communications. More
commonly, "information
technology" (IT) is used in
this sense, since the latter
term, by definition,
includes both types of
technology.
International an Open Source set of
Components C/C++ and Java libraries
for Unicode for Unicode and software
internationalization
support. For information,
43. IDA (Verizon) Verizon's IDA offers
Internet permanently open, high
Dedicated bandwidth, dedicated
Access connections to a global
Internet backbone
network via access circuits
153
44. IDARS integrated IDARS is a consolidated
45. IDC document system for storing,
archive and accessing, managing,
retrieval distributing and viewing
system fixed content, which
includes print-stream-
originated reports, images
and other fixed content.
Internet data A data center containing
center Internet-related facilities
for the use of enterprises,
Internet service
providers, ASPs, e-
commerce companies and
other firms. IDSs typically
provide server outsourcing,
hosting and colocation
services, Internet
connectivity, VPNs, and
other network and
transport services.
46. IDD international The placement of
direct dial / international calls by
dialing dialing them directly,
rather than using operator
assistance.
154
47. IDE Integrated A development
Development environment that is
Environment integrated into an
application.
integrated
drive A standard computer
electronics interface for storage
devices, such as internal
hard disk drives. A later
version, enhanced IDE
(EIDE), supports more
capacity and peripherals.
48. IDEA International Patented, symmetric block
49. I-DEAS Data cipher that uses a 128-bit
50. IDEMA Encryption key and operates on 64-bit
Algorithm blocks.
Integrated- a CAD/CAM software
Design package of SDRC which
Engineering was bought in 2002 by
Analysis EDS and now merged into
Software UGS's product NX
(Unigraphics).
International International not-for-profit
Disk drive trade association that
Equipment represents the Hard Disk
and Materials Drive (HDD) industry and
Association its infrastructure.
155
51. iDEN integrated A Motorola-enhanced
digital mobile radio network
enhanced technology that integrates
network two-way radio, telephone,
text messaging, and data
transmission into a single
network.
52. IDIM Identity A set of principles,
Information practices, policies,
Management processes and procedures
that are used within an
organization to manage
identity information and
realize desired outcomes
concerning identity
53. IDIOT Intrusion Project to develop a new
Detection In approach to efficient
Our Time misuse detection methods.
Its design made use of a
new classification of
intrusion methods based
on complexity of matching
and temporal
characteristics
156
54. IDIQ indefinite Contracts that enable
delivery/indefinite government customers
55. IDL quantity; to buy IT services from
56. IDM pre-selected vendors at
pre-negotiated rates.
These contracts,
developed and
administered by
individual government
organizations to meet
their own IT service
requirements, are
usually available to all
federal agencies for a
small administrative fee.
Interface A language used to
Definition describe the interface to
Language a software component
or routine in a manner
Internet that is not dependent
Download on a particular
Manager programming language
or operating system.
IDM is a tool to increase
download speeds by up
to 5 times, resume and
schedule downloads.
157
57. IDOL Intelligent heart
Data of Autonomy's infrastructure
Operating
Layer
58. IDOM integrated Gartner's term for an
document integrated collection of
and output technologies, architectures
management and services aimed at
applying the value of
information in documents to
business practices. IDOM
takes a digital approach to
reducing the burden and
cost of paper-based
documents.
59. IDQ Informatica Informatica Data Quality
Data Quality Solution delivers pervasive
data quality
60. IDR Intelligent Backup exec option for
Disaster tape-based system recovery
Recovery
158
61. IDS intrusion detection Software that
system detects attempts or
62 IDT successful attacks on
63. iDTV monitored resources
64. IDU that are part of a
network or host
system.
Software that
notifies the user of
attempts to hack into,
disrupt, or deny
service to the system.
(originally) a telecommunications
International and energy company
Discount headquartered in
Telecommunications Newark, New Jersey.
Interactive digital A digital television
television broadcast linked to a
interface data unit return path that
enables consumers to
send and receive
individualized
messages in real time
on their television set.
interface data unit
159
65. IE Internet Microsoft Internet
Explorer Explorer. cf IE4, IE5, IE6,
MSIE.
66. IEC Inter- A long distance
exchange telephone company.
Carrier
an organization that sets
International numerous standards for
Electrotechnical the electronics industry
Commission
67. IEE Institution of See them
Electrical at HTTP://IEE.ORG
Engineers
68. IEEE Institute of An organization of
Electrical and engineers, scientists and
Electronics students involved in
Engineers electrical, electronics and
related fields. IEEE 802
standard is the most
widely recognized in the
computer industry.
160
69. IES Integrated The IES SketchUp plug-in
70. IETF Environmental is a toolbar that sits within
Solutions the Google
SketchUp application and
gives direct access to all of
Integrated Environmental
Solutions (IES) building
simulation tools.
Internet This subgroup of the
Engineering Internet Society is
Task Force responsible for
recommending protocols
and procedures used over
the Internet. It comprises
representatives from
vendor, government and
academic communities,
and is divided into six
subcommittees.
71 IFB Internet Microsoft Outlook feature
Free/Busy
161
1. J-code Japan code a slang nickname for the
2. J2EE software written in
Java 2 Japanese companies, which
Platform, has a reputation for being
Enterprise overly complex. J-code is
Edition also slang for rules that are
enforced only to preserve a
hierarchy of management.
This refers to the multiple
layers of management in
Japanese business culture.
A Sun Microsystems
platform specification and
branding initiative that
provides a unifying
umbrella for enterprise-
oriented Java technologies.
J2EE focuses on server-
side, multitier services.
J2EE includes the Java
Server Pages, Java Servlets
and Enterprise JavaBeans
programming models, a
number of protocols and
application programming
interfaces, a reference
implementation, a test
suite, and an application
model.
162
4. J2ME Java 2 efer to J2EE
5. J2SE platform,
Micro Edition
Java 2 refer to J2EE
platform,
Standard
Edition
6. JAAS Java a package that enables
Authentication services to authenticate
and
Authorization and enforce access controls
Service upon users. It implements
a Java version of the
standard Pluggable
Authentication Module
(PAM) framework, and
supports user-based
authorization
163
7. JACK JACK Audio soundserver or daemon
8. JAD Connection that provides low latency
9. JAMES Kit connections between so-
10. JAR called jackified
joint applications. It is created
application by Paul Davis and others
development and licensed under
the GPL. JACK is free
Java Apache audio software.
Mail
Enterprise a RAD (Rapid Application
Server Development) concept,
Java Archive which involves cooperation
between the designer of a
computer system and the
end user to develop a
system that exactly meets
the user's needs.
a 100% pure Java server,
designed to be a complete
and portable enterprise
mail engine solution based
on currently available open
protocols
a file containing a
collection of Java class
files that can be
downloaded more
efficiently than would be
possible if each file were
downloaded separately.
164
11. JBIG Joint Bi-level This was (and is) a group
Image of experts nominated by
12. JBL experts Group national standards bodies
13. JBOD and major companies to
work to produce standards
14. JCA for bi-level image coding.
15. JCAHO
Jame B. (Jame B. Lansing)
Lansing Speakers
Just a Bunch refers to drives that reside
of Disks in their own enclosure
external to the server, but
Java contain no RAID
Connector intelligence. JBOD drives
Architecture are dependent on the
server for RAID
functionality.
Java interoperability
techniques
Joint An U.S. independent, not-
Commission for-profit organization
on devoted to healthcare
Accreditation standards setting and
of Healthcare accreditation.
Organizations
165
16. JCB job control A group of data containing
17. JCL block the execution-control data
and the job identification
18. JCP when.
Job Control JCL is a set of control
Language statements punched onto
computer cards used to
Java direct the execution of
Community computer programs and
Process describe the input/output
devices used on IBM
computers running the
OS/360 and later operating
systems. JCL serves as a
means of communication
between the user's
program and the system.
A program created by Sun
Microsystems to provide an
open forum for Java
developers, licensees and
other members. JCP's
charter is to develop Java
technology specifications,
reference implementations
and technology
compatibility kits.
166
19. JDBC Java An application program
20. JDK DataBase interface specification for
21. JEDEC Connectivity connecting programs
written in Java to the data
in a database. It is a
Java API that enables Java
programs to execute SQL
statements and interact
with any SQL-compliant
database.
Java A software development
Development package from Sun
Kit Microsystems that
implements the basic set
Joint of tools needed to write,
Electronic test and
Devices debugJava applications
Engineering and applets
Council
An international body of
semiconductor
manufacturers that set IC
standards.
167
22. JES Job Entry An IBM licensed program
23. JFK Subsystem that receives jobs into the
system and processes all
output data that is
produced by jobs.
Just Fast a simple protocol for
Keying establishing VPN sessions
24. JFS Journaling The native file system in
File System the AIX operating system.
A technology designed
for high-throughput server
environments, which are
important for running
intranet and other high-
performance e-business
file servers.
168
25. JIA Joint an engagement whereby a
Innovation full audit of a client’s and a
26. JIT Assessment supplier's innovation
27. JITA capabilities can be
28. JITT assessed in order to
prepare future joint
innovation work or a joint
innovation program.
Just-in-time This is a type of Java
compiler that interprets a
class file, then compiles
the information into native
code.
Just In Time Allows an objects to tell
Activation COM+ that its work is
done and that it can be
destroyed
just-in-time A training methodology in
training which users are trained in
a technology just when
they begin using it.
169
29. JJ Josephson A thin insulating layer
Junction surrounded by
30. JMS superconducting material
31. JMX in a superconducting
32. JNI circuit.
33. JOA
Java part of the Java EE
Messaging specifications
Service
Java Java API
Management
eXtensions A technology for bridging
C-based code with Java.
Java Native
Interface
Joint an engagement whereby a
Opportunity service provider helps his
Assessment client elicit the requirement
and the potential impact of
a large project or an
outsourcing project. JOA's
typically include but are
not limited to: strategic
guidelines to improve work
efficiency, business
processes, TCO, etc
170
34. JOLAP Java Interface A Java application
35. JPDL for OLAP programming interface for
the J2EE environment.
JOLAP supports the
creation and maintenance
of OLAP data and
metadata, independent of
vendor.
jBoss process based on a model of
definition nodes, transactions and
language actions. jPDL specifies an
xml schema and
mechanism to package all
process definition related
files.
36. JPEG / Joint JPEG (pronounced JAY-
Photographic peg) is most commonly
JPG Experts Group mentioned as a format for
image files. JPEG format is
preferred to
the GIF format for
photographic images as
opposed to line art or
simple logo art.
171
37. JRE Java Runtime The JRE is developed by
38. JS Environment Sun Microsystems (the
39. JSON creator of Java) and
includes the Java Virtual
Machine (JVM), code
libraries, and components,
which are necessary to run
programs written in Java.
The JRE is available for
multiple computer
platforms, including Mac,
Windows, and Unix.
JavaScript a language that allows a
web page to include
commands to be executed
by the web browser. For
example, you may wish
your web page to have
dialog boxes that appear
when the user clicks on
certain places.
JavaScript A format for exchanging
Object data that are structured as
Notation a collection of name-value
pairs or an ordered list of
values.
172
40. JSP Java Server This standard was
41. JSR Page developed by Sun
Microsystems as an
Java alternative to Microsoft's
Specification active server page (ASP)
Request technology. JSP pages
are similar to ASP pages
in that they are
compiled on the server,
rather than in a user's
Web browser. However,
JSP is Java-based,
whereas ASP is Visual
Basic-based.
worked in the Java
community
42. JTAG Joint Test the common name used
Action Group for the IEEE 1149.1
standard entitled
Standard Test Access
Port and Boundary-Scan
Architecture for test
access ports used for
testing printed circuit
boards using boundary
scan.
173
43. JTC Join Allows the DBMS optimizer
44. JTC1 Transitive to consider a join order
Closure other than those made
45. JTRS available explicitly by the
46. JVM Joint query's WHERE clause
Technical
Committee created by ISO and IEC. It
is comprised of standards
organizations from over 75
countries, and is involved
with setting standards for
information processing.
Joint Tactical a software radio that will
Radio System work with many existing
military and civilian radios.
Java virtual JVM s a set of computer
machine software programs and
data structures that use a
virtual machine model for
the execution of other
computer
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47. JVT job volume A table that contains
48. table volume information
obtained from data
49. definition (DD) statements.
J# pronounced “J sharp”, a
programming language
very similar to JAVA but
implemented in the
Microsoft .NET Framework;
essentially a combination
of Java and C#.
jabber An error in which a faulty
device (usually a NIC )
continuously transmits
corrupted or meaningless
data onto a network.
A sent data packet
greater than the maximum
1518 bytes specified in
IEEE 802.3.
an open XML protocol for
message and presence
exchange in real time
between two points on the
Internet.
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50. Jack A connecting device having
springs which make
electrical contact with
mating contacts of a plug.
51. Jailbreaking the act of bypassing the
App Store as a means for
distributing applications
after installing unsupported
software.
52. Java A high level programming
language, developed by
Sun Microsystems.
Compiled Java code can
run on most computers
because Java interpreters
and run time
environments, known as
Java VMs.
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53. JavaScript A slight movement of a
transmission signal in time
or phase, which can
introduce errors
and loss of synchronization
for high-speed,
synchronous
communications.
54. Jitter an e-mail spoofing exploit
in which someone sends
out huge volumes of spam
that appear to be from
someone other than the
actual source. A Joe job is
sometimes conducted as
an act of revenge on
someone who reports a
spammer to their ISP or
publicly advocates anti-
spam legislation.
55. Joomla! a free, open source
content management
system written with PHP
for publishing content on
the world wide web and
intranets using a MySQL
database.
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56. jQuery a library that makes it
quicker and easier to build
JavaScript webpages and
web apps. Often with
jQuery you can write a
single line of code to
achieve what would have
taken 10-20 lines of
regular JavaScript code.
57. jQuery A jQuery plugin that sets a
Countdown div or span to show a
countdown to a given time.
58. jumbo frames Jumbo frames are large IP
frames used in high-
performance networks to
increase performance over
long distances.
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