CENTRAL BICOL STATE UNIVERSITY
OF AGRICULTURE
San
Jose, Pili, Camarines Sur
College Of Development
Education
S/Y:
2014-2015
Educational technology 2
“TECHNOLOGY TERMS”
TERMS
|
DESCRIPTION
|
Adobe
Acrobat is a program by Adobe corporation that is used to transmit files in a
non-editable format. The viewer is free, but to make an Acrobat file requires
you to buy the software.
|
|
ACS
|
Australian
Computer Society.
|
ADF
|
Automatic
Document Feeder: A device that sits on top of a scanner that feeds multipage
documents to the scanner.
|
Asymmetric
Digital Subscriber Loop: High speed data connection using the existing copper
telephone lines. Requires your telephone exchange to support it and be closer
than 5000m.
|
|
Software that pushes advertising onto
your computer. When it's installed without your permission it makes up part
of what's known as malware. Often uses spyware to determine
what ads to put on your computer.
|
|
AGP
|
Accelerated
Graphics Port: A slot on the motherboard designed for high speed graphics
cards. This is, and an AGP graphics card, are standard on all current
computers.
|
Aliasing
|
Jagged
edges in a scanned or enlarged image.
|
AppleTalk
|
The
networking language used on older Apple networks.
|
Applications
|
Another
term for computer programs. Generally speaking, applications are the programs
that you run on a day to day basis.
|
ATX
|
The
standard motherboard, power supply and case layout for newer computers.
|
AVI
|
Audio
Video Interleave: A standard format for storing and sending video clips.
|
Bad
Sector/Bad block
|
Damage
on a drive that has been detected by the computer and marked not to be used.
If your computer shows bad sectors then it is time to replace the hard drive
or computer.
|
Beta
software is test software that has been released for testing before a final
version is put together. Beta software is useable but has unpredictable bugs
and errors; the purpose of releasing it is to dig out those errors. Businesses
should never use beta software.
|
|
BIOS
|
Basic
Input and Output System: The basic
software that controls the computer. The screen that flashes up showing the
computer’s details is the BIOS. When the computer starts the BIOS runs then
hands the system over to the operating system.
|
Broadband
|
High
speed Internet connection. Generally all connections except for dial up and
ISDN connections.
|
Brown
out
|
Power
sag.
|
Browser
|
Web
browsers are the programs used to access the Internet.
|
Data
that may be reused is stored in a cache to help speed things up. Web browsers
have a cache to store recently used images and pages while CPUs have a cache
to speed up processing and.
|
|
CAD
|
Computer
Aided Design: Drawing programs used by architects and engineers
|
An Internet plan where the monthly
fee is fixed, that is your charges are capped at a certain price. This
usually has conditions such as slowing your connection if you go over a given
limit (see shaping).
|
|
Cat
5
|
Category
5 Cable is used for network cabling. It has a faster relative called Category
6. When installing a network all cables should be at least cat 5. The square
plug at the end of a Cat 5 or 6 cables is an RJ45.
|
Cat
6
|
Category
6 Cable is a faster cousin to cat 5. While slightly more expensive it is
worthwhile specifying cat 6 if you are having an electrician install network
or telephone cable. Cat 6 cable is compatible with Cat 5.
|
Client/Server
|
A
network where some computers have all the data, printers or other resources
(servers) and the others (clients) connect to the servers.
|
CGI
|
Common
Gateway Interface: A specification that allows web sites to communicate with
programs. It requires specific software to be set up on the web site.
|
CMOS
|
Complementary
Metal Oxide Semi-conductor: The CMOS chip holds the configuration data for
the computer. It is kept alive by a battery on the motherboard.
|
CMYK
|
Four
colour printing. To print colours a printer mixes Cyan, Magenta and Yellow. K
stands for black and is created by mixing the other colours or having its own
cartridge.
|
CNE
|
Certified
Novell Engineer: Has been certified to support certain Novell networking
products.
|
Codec
|
Software that translates a video
or audio file so it will work on a computer.
|
Central
Processing Unit: The heart of the computer, this is the chip that runs the
whole system. Sometimes the entire computer is referred to as the CPU.
|
|
Cross-Over
Cable
|
UTP
networks patch cable that is designed to connect two hubs, or two computers
without a hub.
|
CRT
|
Cathode
Ray Tube: The cheapest and most common type of computer monitor. This is the
same technology as used in your television set.
|
CSV
|
Comma
Separated Value: The most basic way of saving spreadsheet or database
contents. A CSV file is a text file with the data fields’ separted by commas.
This file can be read by almost all spreadsheet and database programs.
|
Cursor
|
The
pointer on the computer screen.
|
Cyber squatter
|
Someone who buys a Internet domain
name similar to an established business or brand name with the intention of
selling it to the business owner.
|
Definition
Files
|
Definition
files are released by anti-virus companies to update their programs so they
can detect the latest viruses.
|
Defragment
|
A
process which reorganises data stored on a hard drive. On hard drives which
are almost full defragmenting should be done often.
|
Delegate
|
Assigning
a server to represent an Internet domain name. Your domain yourbiz.com.au
will is usually delegated to yourinternetprovider.com.au. Requests to
yourbiz.com.au will be sent to youinternetprovider.com.au who will pass the
information onto you.
|
DHTML
|
Dynamic
HyperText Mark up Language: An advanced version of HTML, used to design web
pages.
|
Dial
up Adaptor
|
The
software that allows Windows 9x/ME computers to access the Internet.
|
Directory
|
A
directory is created on a hard drive to store files or programs. The same as
you would put a folder in a filing cabinet to store files. The term directory
is used in Window 3.1 and DOS. Macs and later Windows computers use the term
folder.
|
DNS
|
Domain
Name System: The system that translates Internet Protocol numbers to names.
For instance the IP number 207.46.230.218 translates to microsoft.com.
|
A
plastic frame that has all the connections for mouse, keyboard, monitor and
network. A laptop computer plugs into the docking station, saving the user
from plugging and unplugging all the components each time they come into the
office.
|
|
Domain
(Network)
|
A
group of computers on a network, usually a network being run by Windows
servers. Not to be confused with an Internet domain.
|
Domain
name
|
An
Internet address. Microsoft’s domain is microsoft.com, their Australian
division is microsoft.com.au.
|
Domain
Delegation
|
Having
another company receive e-mail addressed to your domain name or host your web
site. Any mail addressed to yourcompany.com is received by the delegated
server and then you receive it in whatever way you choose.
|
Someone who buys an Internet
domain in a common word or similar to an existing business or website who
then puts advertising on it. Like cybersquatters, they hope someone will buy
the site off them.
|
|
Dongle
|
A
part that hangs of a computer. It may be an adaptor for a modem or network
card. Some software is supplied with a dongle for each licenced copy; the
software won’t run without the dongle connected to the computer.
|
Dot
Pitch
|
The
distance between dots on a cathode ray tube display. The lower the number,
the better the display. Typical Dot pitches are 0.26 mm
|
Download
|
Recieve
data from another computer or from the Internet
|
Drivers
|
Software
that allows the operating system to talk to the hardware.
|
DTP
|
DeskTop
Publishing: Preparing brochures, posters and pamphlets on your computer. Most
word processing packages have basic DTP functions but to do anything
sophisticated you need a specialist program.
|
DVD
|
Digital
Versatile Disk: A high capacity version of the CD-ROM, DVD readers can also
read normal CD’s.
|
ECP
|
Enhanced
Capability Port: A high speed printer port, most computers have this
capability built in and some scanners and printers require it to work
properly.
|
EDO
|
Extended
Data Out: A type of memory chip that preceded SD-RAM, used in computers of
1996-98 vintage.
|
EPP
|
Enhanced
Peripheral Port: A printer port standard designed to improve communications
with parallel port devices such as external drives and scanners.
|
The
standard networking system used in most modern networks
|
|
EULA
|
End
User Licence Agreement: When you buy software you are actually buying a
licence to use it. The terms of that licence are buried in the EULA.
|
Extensions
|
Windows
computers require three letters after the full stop to tell them what program
a file should be opened with. This is called an extension.
|
FAQ
|
Frequently
Asked Questions
|
FAT
|
File
Allocation Table: The area of a hard drive that keeps track of where data has
been saved.
|
FAT32
|
A
file system used in Windows 98 and ME. It cannot be read by older systems but
is still sometimes used by Windows XP and Vista
|
Fdisk
|
A
Windows program that is used to layout the sectors of a hard drive. This is
done before formatting a drive.
|
File
Formats
|
Different
file formats are the curse of the modern office. Every program has its own
way of saving data to disk. If you use Office 2000 that the other person is
using Wordperfect 6 you will have problems sharing documents.
|
Firewall
|
Firewalls
are security programs that decide what is allowed in and out of a computer
and the Internet.
|
Firewire
|
A
standard for connecting peripherals, particularly video cameras and
multimedia devices. Standard on newer Apple computers and gradually becoming
common on PC’s. Also known as IEEE 1394 and I-link.
|
Folder
|
A
folder is created on a hard drive to store files or programs. The same as you
would put a folder in a filing cabinet to store files.
|
Font
|
The
typeface of a document. The two most common fonts on PC’s are Times New Roman
and Arial.
|
Footer
|
In
a document it is a feature such as a date, title or word count automatically
inserted at the bottom of the document.
|
Form
Factor
|
The
size and shape of a computer.
|
Format
(disk)
|
A
program that marks a disk so that data can be saved on it. Formatting a disk
destroys any data already saved on it.
|
Format
(document)
|
The
layout of a document or the standard used to lay out a document.
|
Freeware
|
Software
that has been written for free distribution. There is no charge for using it
but the licence often is only free for individual users. Businesses are
expected to pay a usually modest licence fee.
|
FTP
|
File
Transfer Protocol: An Internet service used for transferring large files. It
is used for uploading and downloading files from servers.
|
GIF
|
Graphics
Interchange Format: A graphics file format. Commonly used in web pages.
|
Grey
Imports
|
Software
and hardware that has been imported outside the normal distribution channel.
This is not illegal but can cause warranty and support problems with the
product.
|
GUI
|
Graphic
User Interface: The screen on a Windows or Mac computer where you can use a
mouse of a keyboard to move around.
|
Header
|
In
a document it is a feature such as a date, title or word count automatically
inserted at the top of the document. In an e-mail it is the technical
information that is not normally shown to the reader.
|
A
way of shutting down your computer so it restarts exactly the way you left
it.. The contents of the memory are saved into a file on the hard drive and
copied back into memory when the computer comes out of hibernation.
|
|
HPFS
|
High
Performance File System: The standard file system for the Apple Mac.
|
HTML
|
HyperText
Markup Language: The computer language used to write web pages.
|
HTTP
|
Hyper
Text Transfer Protocol: An Internet service that
|
The
World Wide Web uses.
|
|
Hub
|
All
cables on a 10 or 100-base-T network have to go home to a hub.
|
Hyperlink
|
A
marker on a web page that lets you moves to another section or page in a web
site. Also known as a link.
|
IDE
|
Integrated
Drive Electronics: A standard of connecting internal drives. This was the
most common standard for hard drives and CD-ROMS. It may also be known as ATA
and is being phased out for the SATA standard
|
IEEE
1394
|
A
standard for connecting peripherals, particularly video cameras and
multimedia devices. Standard on newer Apple computers and gradually becoming
common on PC’s. Also known as Firewire or I-link.
|
Initialise
|
The
Mac term for formatting a disk. Initialising a disk marks a disk so that data
can be saved on it. Initialising a disk destroys any data already saved on
it.
|
Internet
Protocol
|
The
language computer use to talk over the Internet. Also can be called TCP/IP.
|
IPX/SPX
|
The
networking language used on older Novell networks.
|
IRC
|
Internet
Relay Chat: An Internet service that allows users to communicate live as if
they were chatting in a room.
|
ISA
|
Industry
Standard Architecture: An older standard of PC motherboard slot.
|
ISDN
|
Integrated
Services Digital Network: A telephone service that allows high speed data
connections over the normal telephone line.
|
ISP
|
Internet
Service Provider: Provides access to the Internet for consumers and smaller
businesses.
|
JPEG
(or JPG)
|
Joint
Photo graphics Experts Group: A graphics file format. Commonly used in web
pages.
|
Local
Area Network: Computers in the same office or complex connected to share
data. Small businesses use Ethernet as their network standard.
|
|
Laplink
Cable
|
A
cable that connects two computers through their parallel ports.
|
LCD
|
Liquid
Crystal Display: The display type used on laptop computers and high-end
monitors.
|
LCD
|
Liquid
Crystal Diode: A type of computer display. Used for laptop displays and high
quality desktop computer displays.
|
LDAP
|
Lightweight
Directory Access Protocol: A language used by e-mail programs to send and
collect e-mail. It can also be used for sharing information.
|
Link
|
A
marker on a web page that lets you move to another section or page in a web
site. Properly known as a hyperlink.
|
Linux
|
An
operating system like Windows or Mac OS. Unlike the commercial operating
systems the basic Linux system is developed by millions of volunteers to
provide it for free. Some companies that supply it make their money from
support and extras.
|
LPT
|
Line
Printer Port: Another term for a printer port.
|
A general term for software that
intends to do no good to your computer. Includes adware, spyware, Trojan horses and viruses.
|
|
Mapped
drive
|
A
mapped drive or printer is a resource on the network that the computer
believes to be directly connected to it. For instance, the machine server may
have a folder called documents that is shared on the network. Another machine
may map that folder and will then think it is a drive installed within the
computer.
|
MCSE
|
Microsoft
Certified System Engineer: Has been certified by Microsoft to support the
products stated on the MSCE.
|
Meta
Tags
|
Text
that is embedded in web pages but not normally visible to a browser. These
are designed to tell search engines what is relevant on the site.
|
Motherboard
|
The
motherboard is the base computer circuit that everything else inside the
computer plugs into.
|
MTBF
|
Mean
Time Between Failures: A statistical measure of how long a part can be
expected to last before failing. Each manufacturer has their own measure so
MTBF should be treated with a grain of salt.
|
Nag Screen
|
A message that constantly pops up
asking you to do something like register or upgrade your software.
|
Software that constantly asks you
to register or buy the paid for version.
|
|
Naked DSL
|
An ADSL service
that isn't connected to the telephone network. If you plug a phone into the
line, you won't get a dial tone. A much more reliable way of getting onto the
net.
|
NAT
|
Network
Address Translation:
|
Netbios
|
The
networking language used on Microsoft Networks
|
Netbook
|
A small, cheap portable computer
designed primarily for websurfing.
|
Netware
|
The
networking operating system from Novell.
|
Newbie
|
Somebody
who is new to computers or the Internet and is just getting the hang of
things. Commonly used in news groups and chat rooms. Also known as a n00b.
|
Newsgroup
|
The
message board system of the Internet. Also known as Usenet.
|
Network Interface Card. The device
that connects a computer to a network. Ethernet cards are
standard on most systems and wireless NICs are built into most laptops.
|
|
NOS
|
Network
Operating System: The program which runs a computer network.
|
NSFW
|
Not Safe For Work. A file or link
to a webpage that might get you in trouble if you open it at work.
|
NTFS
|
New Technology File System: A file
format system. This was introduced by Microsoft for hard drives in Windows NT
systems. It's the main format for Windows XP and Vista systems.
|
OCR
|
Optical
Character Recognition: Allows your computer to translate scanned documents
into a word processing program.
|
OEM
|
Original
Equipment Manufacturer: A computer store or consultant that builds systems.
Many hardware and software companies supply discount versions of their
products to OEMs on the basis that these people now how to install them and
will include them in their products.
|
Open source software are computer
programs where the code is available for public use. Anyone can change it on
the conditionall of their changes are also available to the public.
|
|
Parallel
Port
|
The
older printer port on IBM compatible computers, also known as the LPT or
printer port. Devices like Zip drives could also be connected to parallel
ports. Parallel ports have been largely superceded by USB and are dying out.
|
Partition
|
A
hard drive needs to have partitions defining where the data is stored before
it can be formatted. Normally a drive has just one partition, but the drive
can be divided up into a number of partitions. These will appear as different
hard drives to the computer.
|
PATA
|
Parallel
ATA, also known as IDE. An older standard for hard drives.
|
Patch
Cable
|
A
short length of network cable that connects a computer or hub to a wall
connection or patch panel.
|
Patch
Panel
|
A
panel where all the network cables in an office run to. From the patch panel
the cables connect to the hub, telephone system, router or any other computer
or communication equipment.
|
Credit
card sized devices that slide into the side of laptop computers. Usually
these are modems or network cards but just about any computer accessory can
be found in PC card format
|
|
PC
Exchange
|
A
program that allows Mac OS9 and earlier systems to read PC formatted
removable disks. Not necessary on OSX.
|
PCI
|
Peripheral
Component Interconnect: Standard
motherboard slot for installing expansion cards. Used on PC’s and Macs.
|
PCIe
|
PCI
Express: The successor to PCI that allows faster data transfer within the
computer.
|
PCMCIA
|
|
Personal
Digital Assistant: A handheld computer that is used for keeping contacts and
diaries. Common examples include Palm Pilots and Windows CE devices.
|
|
PDF
|
|
Peer
to peer
|
A
network that is set up where all computers are equal and share each others
files and printers.
|
PIM
|
Personal
Information Manager: Software for keeping appointments, contacts and
expenses. The electronic equivalent of a paper based personal organiser. Some
PIMs have built in e-mail support.
|
Ping
|
A
little program that tests an Internet connection. It sends a “ping” down the
Internet to another machine that answers with another “ping”. If you can’t
get a reply then there is a problem with your connection.
|
Plain
Text
|
A
way of formatting documents that uses text only, there are no special fonts,
tables, colours or anything else. Just the basic text.
|
Plug
and Play
|
A
standard that allows computers to automatically recognise components
installed on a computer.
|
Plug-in
|
A
sub-program that gives another program the ability to do something. To read
an acrobat pdf file in a web browser, you will need the Acrobat plug-in.
|
POP
(e-mail)
|
Post
Office Protocol: A language used by e-mail programs to collect e-mail.
|
POP
(Internet)
|
Point
of Presence: The dial in points offered by an Internet Service Provider. An
Internet user in Cairns will choose an ISP with a POP in Cairns rather than
one in Hobart.
|
Ports (hardware)
|
Sockets you plug equipment into.
You might plug a network cable (see RJ45) into a network port.
|
Ports (Internet)
|
The doorways into a computer from
the Internet. Different types of traffic use different ports. For instance
web sites usually use ports 80, 8080 and 3128.
|
Port forwarding
|
Tells a router where certain types
of Internet traffic should be sent to.
|
Port
Replicator
|
|
POST
|
Post
On Self-Test: A test run by a computer when it is turned on. On completing
the POST, PC’s sound one or two beeps, Macs show a happy Mac symbol.
|
POTS
|
Plain
Old Telephone Service: The standard dial up telephone service.
|
Power
Sag
|
When
the incoming voltage drops too low. This causes a computer to reboot. Also
known as a brown-out.
|
Power
Spike
|
The
same as a power surge
|
Power
supply
|
When
the power goes into the computer it needs to be reduced and sent to the right
places at the right voltages. This is the job of the power supply.
|
Power
Surge
|
When
the voltage of the incoming mains power momentarily goes to a level that
damages electrical equipment.
|
Protocol
|
A
language used between computers trying to communicate.
|
Profile
|
A
unique set of data and settings saved for each user that uses a computer or
network.
|
Proxy
server
|
A
computer that connects a network to the Internet. The other computers on the
network think the proxy server is the Internet. It is a proxy for the
Internet.
|
RAID
|
Redundant
Array of Inexpensive Drives: A group of cheap hard drives strung together to
either improve reliability, speed or back up data.
|
RAM
|
Random
Access Memory: Is where all the programs and data your computer has in use
are stored. When you are finished with them the information goes back to the
hard drive. The more RAM you can put in a computer or printer the better.
|
RAS
|
Remote
Access Services: Allows your computer to talk to other computers outside the
office. Outgoing RAS includes accessing the Internet. Incoming RAS allows you
and your staff to log into the office from home or on the road.
|
Readme
|
Most
software comes with a readme file. This contains information on late-breaking
problems and features.
|
Registry
|
The
files that keep Windows settings. The registry is essential to running
Windows and should never be played with.
|
Removable
Disks
|
Disks
like floppy disks, zip drives and CD-ROMs that can be removed. Hard drives
cannot be removed.
|
Reseller
|
The
people who sold you the software or equipment
|
A
type of connector for cat 5 and 6 network cables. An RJ 45 plug is square
with a plastic tab on one end. It looks like a big telephone connector.
|
|
Road Warrior
|
A business user who is constantly
working out of the office. Usually has a laptop and wireless Internet
connection to do their work.
|
ROM
|
Read
Only Memory: In a computer or video game the ROM is the basic program that
allows the machine or component to start.
|
Root
Directory
|
The
base directory for a drive. On a PC, the c:\ prompt is the root directory.
|
Rootkit
|
A particularly vicious type of
malware. It hides deep in the computer's operating system and can be
extremely difficult to remove.
|
Router
|
A
device that directs data on a computer network to different parts of the
network or off onto the Internet.
|
RTF
|
Rich
Text Format: A way of formatting documents that uses basic common elements of
word processors. You can use fonts, put them in bold or italic and use tabs,
but you cannot use advanced features.
|
RTFM
|
Read
That Fine Manual: What the technician is thinking as he explains something
very obvious to a user.
|
SAS
|
See
SCSI
|
Serial
Advanced Technology Attachment. The newer standard for home and small
business hard drives. It replaces the older IDE/PATA standard drives.
|
|
SCSI
|
Small
Computer Components Interface: Used for connecting devices that need to
transfer data at high speed. Typical devices include hard drives, CD writers,
backup tapes and scanners. Not common on PCs.
|
Secure
Sockets Layer
|
SSL
creates a secure connection between a client and a server. It protects
usernames and passwords over the Internet. This essential when using banking
websites, Internet cafes and wireless networks.
|
Serial
Port
|
The
older technology for connecting data devices. Largely superceded by USB.
|
Server
|
A
computer that shares resources on a network. A file server shares files, a
print server shares printers.
|
Service
Level Agreement
|
Where
a supplier guarantees a certain level of service. Most commonly used in
corporate sector IT and by business grade Internet Providers. An example is
an ISP giving a 99.99% SLA which means the Internet will only be down one in
ten thousand times.
|
The practice of slowing an
Internet connection down when the customer exceeds their monthly data limit.
|
|
Signature
|
A
file or text that attaches to the bottom of an e-mail. Usually contains
contact details, a blurb about the business and possibly a disclaimer.
|
SLA
|
See
Service Level Agreement.
|
SMTP
|
Simple
Mail Transport Protocol: A language used by e-mail programs to send e-mail.
|
Spam
|
|
A computer that has been hacked
and taken control by a program that sends spam. As of early 2008, the vast
majority of spam sent comes from spam bot infected systems.
|
|
Programs
that connect to the Internet and report usage details back to the vendor.
|
|
Service Set IDentifier.
SSID is the name of a wireless network. For instance a Netgear wireless
router will come an SSID of netgear.
This can be changed by the owner.
|
|
Streaming
Media (Internet)
|
Audio
and video programs that are fed to users across the Internet.
|
Streaming
Media (storage)
|
Tape
drives are what are known as streaming media. The data is saved on a stream
of tape.
|
Suspend
to disk
|
|
Swap
file
|
The
same as Virtual memory. The computer uses the swap file for information it
cannot keep in it’s memory.
|
Switch
|
A
sophisticated type of hub, it reads and directs the network traffic.
|
TCO
|
Total
Cost of Ownership: The total cost of owning a computer, including equipment,
training, support, upgrades and consumables.
|
TCP/IP
|
Transport
Control Protocol/Internet Protocol: The networking language that the Internet
uses.
|
TFT
|
Thin
Film Transistor: A method of manufacturing active LCD displays. This gives a
good quality picture.
|
Tiff
|
Tagged
Image File Format: An image format standard developed for data exchange,
often used in faxing and scanning.
|
Toner
|
The
fine powder used in laser printers and photo-copiers.
|
Software that has a free use
period. The idea is you use it to see if you like it and after a certain
period you're asked to pay for it. As of 2008 many computer manufacturers are
bundling too much trialware with new computers which affects their performance.
|
|
A
malicious program that gets onto your system by pretending to be, or
attaching itself to, an innocent program.
|
|
UAC
|
User
Access Control. This is the way Windows Vista
tries to protect itself from unwanted files. Before you can install programs
or make important changes, Vista asks you to log on as an administrator. It’s
a pain, but it’s important.
|
UNIX
|
Operating
systems that are available for PCs, generally used for servers and specialist
workstations. Linux is a free UNIX, most types of UNIX systems are commercial
programs.
|
Uploads
|
Send
data from your computer to another computer or to the Internet.
|
Universal Plug and Play. Allows
games, other computer programs and equipment to tell the network what it
needs to operate.
|
|
UPS
|
Uninterruptable
Power Supply: Is a large battery which gives a computer user time to save
their work and shut down when a blackout happens.
|
URL
|
Universal
Resource Locater: Simply put, an Internet address. The address
www.pcrescue.com.au is a web page URL.
|
USB
|
Universal
Serial Bus: A standard for connecting external devices such as keyboards,
monitors, scanners, cameras and modems to a computer.
|
Usenet
|
The
Internet message board system. It was one of the earliest services available
on the net and is still used today for general discussion and sharing of
information.
|
UTP
|
UnTwisted
Pair: Another term for cat 5 cable.
|
Vaporware
|
Software or a project that is
announced by a vendor where they have no intention of actually ever release
it. Usually done for marketing purposes to distract from a competitor's
better product.
|
Vendor
|
The
supplier of the software or hardware, if you buy Microsoft Office, the vendor
is Microsoft.
|
A computer program that attempts
to install itself on other computers.
|
|
When
a computer doesn’t have enough RAM to run a program or open a document it
uses virtual memory. Virtual memory is a file on the hard drive which the
computer swaps less important things out of the memory into then swaps them
back when they are needed. Virtual memory is also called a swap file.
|
|
Virtual Private Network: A
network that uses the Internet to share data between computers not on the
same local network. The VPN encrypts the data so it is difficult for hackers
to monitor the traffic.
|
|
WAN
|
Wide
Area Network: A network of computers that are not in the same office or
complex. A building company may use a WAN to connect it’s site offices with
head office. A WAN can use leased lines, dial up connections or a VPN.
|
Warez
|
Web
sites that have illegal copies of software, authentication codes or
passwords. Legitimate businesses should have no reason to be frequenting
these sites.
|
WEP
|
Wireless Encryption Protocol. The older security method for protecting wireless
networks, superceded by WPA. Generally not recommended although some
equipment requires it.
|
Wi-Fi
|
The industry term for wireless
networking, also known as 802.11 networks.
|
Workgroup
|
A
group of computers on a network.
|
WPA
|
Wi-Fi Protected Access. The currently preferred method for securing wireless
networks from unwanted hitch-hikers.
|
Write
Protect
|
Protecting
a drive or disk from being overwritten. Some types of disks have a physical
switch, others have a software setting.
|
XML
|
eXtensible
Mark up Language: A web design language similar to HTML but with built in
programming features.
|
YMMV
|
Your
Mileage may vary: Your situation may be different to the author’s.
|
Zip
file
|
A
file that has been compressed to fit on a disk or make it quicker to transmit
over the web.
|
Zip disk
|
A proprietary brand of removable
disk. Now superceded.
|
Zero
day exploit
|
A
security problem in a program where the bad guys have discovered it before
the programmer or the computing community.
|
Submitted by:
GIRLIE P. DEL
VALLE
BSE
– 3D
Submitted to:
Prof. CHARLIE P. NACARIO
Instructor:
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