COMPUTER TERMINOLOGY:-
Terms
Beginning with "U"
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U is the standard unit of
measurement for rack-mounted equipment. Racks can be used to house servers,
hard drives...
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Stands for "Universal
Description Discovery and Integration." UDDI is a protocol that allows
businesses to promote...
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Stands for "User Datagram
Protocol." It is part of the TCP/IP suite of protocols used for data
transferring. UDP is a...
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This technology for
transferring data between a computer's hard disk and memory was developed by
Quantum and Intel...
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Stands for "Unified
Modeling Language." This is a programming language that is used for
object-oriented software...
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Stands for "Universal
Naming Convention," not just the home of the North Carolina Tar Heels.
UNC is a filename format...
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The Undo command is located in
the Edit menu of most programs and has the shortcut "Ctrl+Z" (PC)
or "Cmd-Z" (Mac). It...
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When you unfriend a user, your
remove that person from your list of friends on a social networking website,
such as...
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Also known as UNIX, though the
letters do not stand for anything. The Unix operating system was first
created in Bell...
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Unmounting a disk makes it
inaccessible by the computer. Of course, in order for a disk to be unmounted,
it must first...
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While downloading is receiving
a file from another computer, uploading is the exact opposite. It is sending
a file...
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Stands for "Universal Plug
and Play." Plug and Play describes devices that work with a computer
system as soon as they...
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Stands for "Uninterruptible
Power Supply." In the technology world, UPS is more than just a brown
shipping company...
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Stands for "Uniform
Resource Identifier." A URI identifies the name and location of a file
or resource in a uniform...
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Stands for "Uniform
Resource Locator." A URL is the address of a specific Web site or file
on the Internet. It cannot...
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Stands for "Universal
Serial Bus." USB is the most common type of computer port used in
today's computers. It can be...
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A user interface is the means
in which a user controls a software program or hardware device. For example,
a software...
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A username is a name that
uniquely identifies someone on a computer system. For example, a computer may
be setup with...
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Utility programs, commonly
referred to as just "utilities," are software programs that add
functionality to your...
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Terms
Beginning with "V"
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Stands for "Virtual
Channel Identifier." The VCI, used in conjunction with the VPI (virtual
path indicator), indicates...
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A VDU is a Visual Display Unit.
It is another term for monitor or screen, but may also refer to a projector
or other...
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Mathematically, a vector is a
quantity, defined by both magnitude and direction. For example, a vector
could be...
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Unlike JPEGs, GIFs, and BMP
images, vector graphics are not made up of a grid of pixels. Instead, vector
graphics are...
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The name actually stands for
"Very Easy Rodent-Oriented Netwide Index to Computerized Archives."
Pretty weird, I know...
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A vertical market is one that
supplies goods to a specific industry. For example, a MIDI keyboard
manufacturer...
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Stands for "Virtual File
Allocation Table." Older Windows operating systems (Windows ME and
earlier) used a file...
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Stands for "Video Graphics
Array." It is the standard monitor or display interface used in most
PCs. Therefore, if a...
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Most of the processing done on
a computer is done via the computer's central processing unit, or CPU. So in
order to...
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Memory is hardware that your
computer uses to load the operating system and run programs. It consists of
one or more...
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While the word
"virtual" is typically overused in the computer world, it is aptly
placed in the phrase "virtual...
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Virtualization allows a single
computer to run multiple (operating systems|operating_system). For example,
using...
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Like a biological virus, a
computer virus is something you don't want to get. Computer viruses are small
programs or...
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Visual Basic is a programming
language and development environment created by Microsoft. It is an extension
of the...
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Stands for "VESA Local
Bus." (VESA stands for "Video Electronics Standards
Association"). The VLB, or VL-bus is a...
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Stands for "Virtual
Learning Environment." A VLE is a virtual classroom that allows teachers
and students to...
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Stands for "Voice Over
Internet Protocol," and is often pronounced "voip." VoIP is
basically a telephone connection...
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The word "volume" has
several different meanings. The most common definition is the magnitude or
intensity of a...
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Stands for "Virtual Path
Identifier." The VPI is an 8-bit header inside each ATM cell that
indicates where the cell...
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Stands for "Virtual
Private Network" (not a successor to the UPN television network). VPN is
a network term that most...
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Stands for "Video Random
Access Memory" and is pronounced "V-RAM." System RAM is great
for loading and running...
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Stands for "Virtual
Reality Modeling Language." If you think this has something to do with
HTML, you're right. While...
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Terms Beginning
with "W"
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W3C is short for "World
Wide Web Consortium." The W3C is an international organization that
develops Web standards...
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Stands for "Wide Area
Information Server." This is a program that can index enormous amounts
of information and make...
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Stands for "Wide Area
Network." It is similar to a Local Area Network (LAN), but it's a lot
bigger. Unlike LANs, WANs...
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A waveform is an image that
represents an audio signal or recording. It shows the changes in amplitude
over a certain...
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Web 2.0 is term that was
introduced in 2004 and refers to the second generation of the World Wide Web.
The term...
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In order to publish a website
online, you need a Web host. The Web host stores all the pages of your
website and makes...
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Web pages are what make up the
World Wide Web. These documents are written in HTML (hypertext markup
language) and are...
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A Web ring is a way of
interlinking related Web sites so that people can visit many similar Web
sites by just following...
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The term webcam is a
combination of "Web" and "video camera." The purpose of a
webcam is, not surprisingly, to...
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There are two primary ways of
checking your e-mail – using an e-mail program like Microsoft Outlook or with
a...
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The webmaster is the person in
charge of maintaining a Web site. The jobs of a webmaster include writing
HTML for Web...
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A website, or Web site, is not
the same thing as a Web page. Though the two terms are often used
interchangeably, they...
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Stands for "Wired
Equivalent Privacy." WEP is a security protocol for Wi-Fi networks.
Since wireless networks...
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White balance is a setting
available on most digital cameras and camcorders that defines how the color
white should...
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This term has historically been
used to describe a report that states the social or political position of
an...
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This is an Internet service
that finds information about a domain name or IP address. If you enter a
domain name in a...
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Wi-Fi is a wireless networking
standard trademarked by the Wi-Fi Alliance. It refers to all networking equipment
that...
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Widgets are small programs
designed for the Mac OS X Dashboard. Some widgets included with Mac OS X
include a...
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A wiki is a Web site that
allows users to add and update content on the site using their own Web
browser. This is made...
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If you've played card games, you
may be familiar with the term "wild card." It refers to a card that
can take the...
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WiMAX, also known as "IEEE
802.16," is a broadband wireless access (BWA) standard similar to Wi-Fi.
However, unlike...
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This is the Windows application
programming interface (API) for developing 32-bit applications. It has been
used for...
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A window is an area on the
screen that displays information for a specific program. This often includes
the user...
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Microsoft Windows is the most
popular operating system for personal computers. There are several versions
of the...
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Windows 7 is the seventh
version of the Microsoft Windows (operating system|operating_system). It
follows Windows...
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Windows Vista is the latest
version of Microsoft's Windows (operating system|operating_system). The
business version...
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Microsoft Windows XP was
introduced in 2001 and is the most significant upgrade to the Windows
operating system since...
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Winsock. "Isn't that one
of those tube-like flags that tell which way the wind is blowing?"
Actually, that's a...
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In the computing world, the
term "wireless" can be rather ambiguous, since it may refer to
several different wireless...
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When most people think of a
wizard, they think of an old man with magical powers. This, as with many
other computer...
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A word processor, or word
processing program, does exactly what the name implies. It processes words.
It also...
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Word wrapping is when a line of
text automatically "wraps" to the next line when it gets to the end
of a page or text...
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WordArt is a text modifying
feature in Microsoft Word, a popular word processing program. It includes
effects such as...
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It has been said that a bus
stops at a bus station and a train stops at a train station, so what happens
at a...
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Worm has two widely different
definitions. One refers to a computer virus and the other is an optical
storage...
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Stands for "Wi-Fi
Protected Access." WPA is a security protocol designed to create secure
wireless (Wi-Fi) networks...
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Stands for "World Wide
Web." It is important to know that this is not a synonym for the
Internet. The World Wide Web...
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Stands for "What You See
Is What You Get," and is pronounced "wihzeewig." WYSIWYG
refers to software that accurately...
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Terms
Beginning with "X"
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x86 is the generic name for
Intel processors released after the original 8086 processor. These include
the...
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Stands for "Extensible
Hypertext Markup Language." Yes, apparently "Extensible"
starts with an "X." XHTML is a...
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Stands for "Extensible
Markup Language." (Yes, technically it should be EML). XML is used to
define documents with a...
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Stands for "Extensible
Style Sheet Language Transformation." While XML is supposed to be a
standardized language, not...
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Y2K Stands for
"Year 2000." However, this term is more often used to refer to the
"Millenium Bug." This bug is a little...
Yahoo! Yahoo! is
one of the Internet's leading search engines. It is also the largest Web
portal, providing links to...
Yobibyte A
yobibyte is a unit of data storage that equals 2 to the 80th power, or
1,208,925,819,614,629,174,706,176 bytes. ...
Yottabyte A
yottabyte is the largest unit of measurement for computer data. It consists
of...
YouTube YouTube
is a video sharing website owned by Google that allows users to watch other
people's videos and publish their...
Terms
Beginning with "Z"
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A zebibyte is a unit of data
storage that equals 2 to the 70th power, or 1,180,591,620,717,411,303,424
bytes. While...
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A zero day exploit is a
malicious computer attack that takes advantage of a security hole before the
vulnerability is...
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A zettabyte is 2 to the 70th
power, or 1,180,591,620,717,411,303,424 bytes. It can be estimated as 10 to
the 21st...
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Stands for "Zero Insertion
Force." ZIF is a type of CPU socket on a computer motherboard that
allows for the simple...
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Windows users will see this
term a lot when looking for files on the Internet. A zip file (.zip) is a
"zipped" or...
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A zone file is stored on a name
server and provides information about one or more domain names. Each zone
file...
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