
Support Site For Distance Learning Students
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Glossary of Terms
The following is a glossary of often-used terms in Distance Learning and HTTP Status Codes
Anti-Virus Program: Installed software that monitors a computer for viruses, and eliminates them.
Asynchronous /
Asynchronous Learning:
Statements and discussions that happen
at different times, when everyone involved is not simultaneously
present.
Audio Conferencing:
Similar to conference calling.
Several people in different geographic locations, holding a discussion
using telephone lines.
Bandwidth:
The measurement of the amount of
information that can be transmitted over the Internet, at any given
time.
Blended Courses: An online
course that has a requirement for some of the sessions to be attended in
the standard classroom environment.
Blog (Weblog):
An extension of the personal Web site, a blog consists of regular
journal-like entries posted on a Web page for public viewing. Blogs
usually contain links to other Web sites along with the thoughts,
comments, and personality of the blog's creator.
Bookmark:
The storage of favorite Web sites
visited on the Web, and stored on the browser.
Boolean Logic: Commonly used
by search engines. Words such as and,
or, and not, or a symbol such as + are used between search words.
BPS:
Bits Per Second. This is the
measurement of the speed at which data is transmitted.
Browser:
Also known as a Web Browser, this
application displays the Web page. This is used to surf the Web. Some
popular browsers are Netscape Navigator and Microsoft Internet Explorer.
Byte:
A byte stores a single character of
information, such as a single letter, number or symbol. It is equal to
either seven or eight bits.
Chat:
Synchronous (real time) communication
on the Internet or an online service. One may chat with one person, or a
group of people at one time.
Collaborative Learning: An instruction/learning method where
students work together in small groups, or on the same assignment.
Compact Disk (CD):
A thin, flat, plastic
disk that contains information (video, text, photos, audio, etc.) that
is recorded in an analog format. The less multimedia that is used, the
more information that will fit on a disk.
Compression:
An efficient way to send files is to
compress them, first. Compression reduces the size of the file without
losing any of the information contained therein. Files are
decompressed to their original state,
when opened.
Constructivism: A learning theory. An active learning
process wherein the learner creates their own concepts by building on
prior knowledge and experiences.
Cookie:
A cookie is created
when you visit a Web site. It is a file created to the hard drive of the
computer that contains certain information. Cookies may enable you to
locate information sooner in successive visits to a particular Web site.
Sometimes cookies can influence what you see on the Web site when you
re-visit.
CTRL:
Denotes the control key on the
keyboard. This is essential to many keyboard shortcuts used in the
Microsoft Word program.
Cursor:
The flashing figure that appears on
screen. In a Word program, the cursor is seen as a vertical line that
flashes at the point at which your are typing. On an Internet screen,
the cursor usually appears as an arrow.
Cyberspace:
The nebulous place where humans
interact over computer networks. Term coined by William Gibson in
Necromancer.
Default: Settings pre-set in the computer or
the program. The user may change most of these settings.
Dial Up: To open a connection
between a user's computer and another computer via a modem.
Digital: An electrical signal
that varies in discrete steps in voltage, frequency, amplitude,
locations, and so forth. Digital signals can be transmitted faster
and more accurately than analog signals.
Digital Versatile Disk (DVD): A thin, flat, plastic disk that
contains text, photo, video and audio information, recorded in a digital
format. Unlike a CD, the disk may be double sided. This must be played
in a designated DVD player. DVDs have the capacity to hold more
information than a standard CD (compact disk).
Diskette: A square plastic disk that holds
graphic and text information, with a very limited capacity. This will
be replaced by CDs.
Domain Name: The name of a specific Internet area
controlled by the College, an organization, or a company. There are
several popular domain name suffixes, including:
com = Commercial organization
edu = Educational institution
gov = Government organizations (non-military)
mil = Military organizations
net = Networks
org = Non-profit organizations
Download:
The process of copying files from one
computer to another.
Drag-and-drop: The process of capturing a file by
single-clicking the left mouse button, leaving the mouse button
depressed, dragging it across the screen and dropping it by
releasing the mouse button at another spot on the screen.
Email: Also called electronic mail. These are
text messages sent to a specified person or group of people.
Emoticon: A graphic object created with the use
of characters on the keyboard (letters and symbols) that denotes an
emotion. Newer computer programs will automatically transform the
characters into a recognizable feature.
:-) = happy :-( = sad =
:-o = bored.
Ethernet: Developed by the Xerox Corporation.
Allows computers to communicate over coaxial cables, through radio
signals.
F2F: Face-To-Face. The type of
communication in a traditional, on-campus, grounded class.
Facilitator: An online course instructor, in a
student-centered learning environment. Students may act as facilitators
in class discussions, as well.
FAQ: Frequently Asked Question. Most sites
have a FAQ list that explains the site and its applications. Before
joining any listserv, one should read the FAQ page and become familiar
with it.
Firewall: This can be either hardware or
software. It limits certain kinds of access to a computer from a network
or another outside source.
Flame: (verb or noun) Argumentative
words used during synchronous or asynchronous chat, or in an email.
Freeware: Downloadable programs available on the
Internet that are free to the users.
FTP: File Transfer Protocol. This protocol
allows one to view, upload, and download files, or to transfer files
from one computer to another.
GIF: Graphic Interchange Format. The
preferred graphic file format used on a Web page. Can be animated or
static. These graphic files are limited to 256 colors.
Gig - Gigabyte - GB:
One billion bytes or 1000 megabytes.
Graphic: A picture, photo, or other non-text
item within a document.
GUI: Graphical User
Interface. A user-friendly computer interface that uses symbols, icons,
or pictures as prompts.
Homepage: The opening page of a Web site.
HTML: Hypertext Markup Language. The
accepted standard used for adding tags to a text file so that the Web
browser can interpret it.
HTTP: Hypertext Transfer Protocol. This is
the protocol that the Web uses so the client browser can view the Web
pages.
Hyperlink:
An underlined word or
phrase on a Web page that can be clicked upon to go to another part of
the page or another site altogether. The hyperlink is generally a
different color from the majority of the text. When the curser is
placed over a hyperlink, the arrow changes into the shape of a hand.
Icon: The term given for a small graphic
depiction on a Web page or desktop.
IM: Instant Messaging. A form of
synchronous communication. Popular IM programs are AOL's AIM,
Microsoft's Messenger, Yahoo's Messenger, and the independent service,
ICQ.
Intranet: A local area network owned by a
company and accessible to people at that company. Private information
may be included here, for use only by those with a valid password. Not
open to those on the WWW.
IP Address: The unique number of an individual
computer. It is necessary before any Internet protocols may be used,
including email.
ISDN: Integrated Services Digital Network.
This allows simultaneous connections using the same wire. Information
may be text or multimedia.
ISP: Internet Service Provider. Company
that provides Internet access.
IT: (Information Technology). Computers
and their information processing capabilities.
Java: Designed by Sun Microsystems. An
object-oriented programming language that is designed for building
Internet applications. It is not dependent on specific hardware
and can be launched from within an HTML document or stand alone.
Java Applet: A small Java
program launched through a browser.
JavaScript: A scripting
language that is simpler than Java and can add interactivity to Web
pages. JavaScript commands allow tasks to be completed by the Web
browser when a user views a Web page. (For example, making a graphic
change when a user moves the cursor over it).
JPEG: Joint Photographic Expert Group. The
preferred file format for adding a photograph to a Web page. This
technique greatly compresses the graphic file.
KB: Kilobyte. 1000 or 1024 bites.
KBPS: Kilobytes Per Second. This is the
popular measurement of data transmission speed.
LAN: Local-Area Network. A group of
computers that are physically connected.
Link: Word/s embedded in a document or on a
Web site, underlined and a different color from the majority of the
text. Positioning the mouse over the word/s traditionally transform the
cursor from an arrow to a hand. Single left-clicking the mouse will open
another Web page.
Listserv: A combination of discussion groups and
mailing lists on the Internet. A way for one to reach many at once.
Lurk / Lurking: Those who read through others posts
without contributing.
MB: Megabyte. 1 million (1,000,000)
bytes. The exact number is 1,048,576 bytes.
Meta Data: Information about
content that allows it to be stored and retrieved from a database.
Modem: The device that translates computer
signals to analog symbols suitable for sending across phone lines.
MPEG: Moving Picture Experts Group. The
popular standard for compressing digital video images.
MP3: The popular format for compressing
music files for download over the Internet.
Navigation: (AKA Web surfing). The process of
traveling from page to page on the World Wide Web.
Netiquette: (slang) Acceptable rules of
Internet courtesy, usually applicable to synchronous chat.
Network: A group of computers electronically
linked together.
Newbie:
Someone who is new to online learning and its technology.
OS: Operating System. This is the
platform that allows one to perform tasks on the computer. Macintosh's
Mac OS and Microsoft's Windows are two popular operating systems.
PDA: Personal Digital Assistant. A
handheld computer used to organize information, such as schedules, phone
numbers, etc. The device can be programmed to interact with a desktop
computer. The Palm Pilot is a popular PDA.
PDF: Portable Document Format. A document
file that is created on the Adobe Acrobat. The Adobe Acrobat Reader is a
free plug-in, easily downloadable from the Adobe Web site or this site's
Plug-In information page.
Portal: The start-up page of a Web browser.
Posting: The act of placing a message onto a
discussion board, bulletin board.
RAM: Random Access Memory. Temporary
storage for data.
RealAudio/RealOne Player:
The RealOne Player is a free plug-in
that, when installed, allows one to view and/or listen to streaming
audio and video clips. Many instructors use RealAudio on their Online
Web pages.
ROM: Read Only Memory. One cannot write to
the prewritten disc or program.
SCORM: (Shareable Content Object Reference
Model). A set of standards that, when applied to course content,
produces small, reusable learning objects. A result of the Department of
Defense's Advance Distributed Learning (ADL) Initiative, SCORM-compliant
courseware elements can be easily merged with other compliant elements
to produce a highly modular repository of training materials.
Scroll: The action of moving the Web document
up and down, or side to side. Scrollbars are generally found at the
right hand side or the bottom of a frame or Web page.
Search Engine: The service that allows one to search
for topics on the World Wide Web, by key words and phrases. Each search
engine may use a slightly different protocol, so it is wise to use the
Help function when using a new search engine. Several links to popular
search engines are located on this Web sites Search Engine page.
Section 508: Section of the 1998
Rehabilitation Act that states that all electronic and information
technology procured, used, or developed by the federal government after
June 25, 2001, must be accessible to people with disabilities. Affected
technology includes such hardware as copiers, fax machines, telephones,
and other electronic devices, as well as application software and Web
sites. See
www.section508.gov
for more information.
Shareware: Software available on the Internet.
This may be downloaded for personal use. If the user likes the material,
they pay a small fee for retaining the software.
SME: Subject Matter Expert. Someone who has
proficient knowledge about and/or skills in a particular topic or
subject area.
SMTP: Simple Mail Transfer Protocol. The
accepted protocol used on the Internet for transferring email messages
between computers. It defines how the message will be sent, its format,
etc.
Spam: Unsolicited material
usually received as email.
Status Codes:
Error messages that appear on the computer screen when the user
has incorrectly entered a URL, or attempted to gain access to a Web page
or site that they are not allowed to see. For common status codes,
please see the list at the bottom of this page.
Streaming Media: Can refer to audio or video materials.
The user can view/listen to the files as they are being downloaded from
the Internet. The user does not have to wait for the entire download
before listening/viewing the files.
Surf: Popular slang term for searching the
Internet. To move from one page to the next.
Synchronous / Synchronous Learning
Communication between people that are
present at a particular site (discussion thread, chat room, etc.) at the
same time.
T1: A data connection that transmits a
digital signal at the speed of 1.54 megabits per second.
T3: A data connection that transmits at a
faster speed than a T1.
Teleconference: A conference held between people in
different geographic locations. Cameras attached to computers that
record and transfer images through the computer to persons at other
sites.
Common HTTP Status Codes
Whenever one is typing in
URLs in the address bar on the Internet, the chance for an error is
great. When an error is made, an HTTP Status Code comes up on the
screen. Here is a list of the most common status codes.
Successful Transactions
200:
The request was fulfilled
201:
The POST request was completed successfully.
202:
Request accepted for processing of unknown type.
203:
Request partially fulfilled.
Redirection Transactions
301:
The requested resource has been permanently moved to a new URL.
Usually accompanied by Location: new URL, which automatically connects the
user to the new URL.
302:
Requested resource found, but at a different URL. The user will
get a 302 Redirection if the trailing slash is omitted when pointing at a
directory. This is sometimes called a malformed request.
304:
Unmodified data not returned in response to a GET request with
the If-Modified-Since field. Occurs when a browser requests data found in
a cache.
Error Messages
400:
Error in request syntax.
401:
Request requires an authorization field, and the client did not
provide one. This response is accompanied by a list of acceptable
authorization schemes use WWW-Authenticate response headers. Error 401
can be a part of a client/server dialogue to negotiate encryption and user
authentication schemes.
402:
The requested operation costs money, and the client did not
specify a valid Charge to field.
403:
Request for forbidden resource denied.
404:
Requested resource not found. This is the most common error
message received by Internet users.
500:
The server has encountered an internal error and cannot continue
processing your request.
501:
Request okay, but denied because server doesn't support
transaction method.