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pc glossary internet glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

[TOP] WHEN YOU SEE THIS SIGN - CLICK ON IT TO GET TO THE TOP OF THE PAGE

A    [TOP]

Access Provider - A company which provides its customers with a service whereby they can access the internet. The user normally connects to the internet via a modem. These companies are often referred to as ISP's - Internet Service Providers.

Animated GIF - A collection of GIF images, each picture slightly different from the previous, shown one after another in sequence to give the effect of an animated / moving image. Same principle as a film.

B    [TOP]

Bandwidth - The bandwidth is basically the maximum speed that data can be transmitted between computers.

BBS - Bulletin Board System. A computer that allows the people who subscribe to it to download and upload files and collect mail.  BBS's are still around in abundance but have generally been superceded by the Internet.

Browser - This is an application such as Internet Explorer or Netscape Navigator that is used to display the WWW graphically on your PC.

C    [TOP]

Chat Room - A facility available to users of IRC (Internet Relay Chat) and others. Users can talk to each other on the internet by typing their messages via the keyboard. They would use a chat room to take part in an online discussion on a particular subject. This is virtually live communication without speech.

Cookie - A file that is written to the hard drive from the WWW when you access web pages. The file contains certain information, often information that you entered when you displayed the page. The next time you access this page a check is done to see if the cookie exists. The information contained within the cookie may well influence what options you see.  For example, if after entering a web site for the first time you are asked to enter you first name and the county you live in, a cookie will record this information on your HDD. The next time you visit this web site, it will check you HDD to see if it has written a cookie there and access the information.  In this example, it would greet you with "Hello Susan, thank you for visiting us again" and immediately show you relevant information for the county you live in, thereby saving you time and stream-lining your visit.

D    [TOP]

DNS - Domain Name Service, a two-column look-up table system of matching mnemonic machine names such as boardwatch.com to their numeric IP addresses (204.144.169.1). The tables are maintained at local, regional, and global levels by various organizations, making it easier for humans to find their way around the Internet or their LAN.

Download - This is how you transfer files from the internet, for example, to you're PC.

E    [TOP]

E-Mail - Electronic Mail, the system of sending notes and memos between computers via a modem and phone line and ISP.

F    [TOP]

FAQ - Frequently Asked Questions - a list of frequently asked questions and their answers. Specific topic FAQ sections can also now be found in Magazines, User Guides, PC Manuals and on the Internet on many Web-Sites.

Frames - These are used on websites to segment content. One frame might contain a menu of the website while the other displays the information that you're interested in.

FTP - File Transfer Protocol - an application program that uses TCP/IP internet works as a medium for transferring files. You can logon to an ftp site using an ftp program and transfer files from their site to your local desktop using a GET command. Many sites allow ANONYMOUS ftp. At the login prompt, enter ANONYMOUS as the login name, and at the password prompt enter your e-mail address as password. You will have access to a limited number of public directories from which you can retrieve files. Example: ftp boardwatch.com

G    [TOP]

Gateway - A gateway is a device that connects different networks together - this handles the transfer of data between the networks and any conversion that is required to enable the data which has been extracted from one network to be read in the other network.

Gopher - An application whose purpose is to locate, retrieve and record information on the internet.  The word Gopher takes its name from the words "Go for" - somebody who goes and gets anything that is asked of him or her.

H    [TOP]

Home page or Homepage - the top-level hypertext document in a collection of linked HTML documents. Often, the document implied in a WWW site's URL, eg. http://www.boardwatch.com/homepage.html or /index.html is generally rendered as http://www.boardwatch.com  

HTML - Hyper Text Markup Language, the programming language used to create WWW pages and define the functions to be performed when one clicks on a button, image, or hypertext link embedded in the page.

HTTP - Hyper Text Transport Protocol. The method by which the World Wide Web provides hypertext links between web pages - often located on entirely different machines.

Hyperlinks - A text or image Link which lets you jump quickly between pages, objects, documents or web sites simply by clicking on it.

I     [TOP]

Internet - An international network that links computers worldwide using telephone and cable links.

IP - Internet Protocol. - The underlying packet protocol used to connect networks over the Internet.

ISP's - Internet Service Providers.  These are the companies such as Freeserve, AOL, Demon and TescoNet, and the rest who provide you with a connection via you're modem to the internet and via the internet to the WWW (World Wide Web).

ISDN - Integrated Services Digital Network, an all-digital telephone system specification. Basic Rate Interface (BRI) consists of two 64 Kbps bearers or "B" data channels and one 16 Kbps supervisory "D" channel, leading to the designation "2B+D." BRI ISDN can deliver data to the home at speeds up to 128 Kbps by combining the two B channels. A popular choice for a digital telephone solution capable of using existing copper wire to the home.

J    [TOP]

JAVA - Java is a modern Programming Language, first seen in 1995 and is used to bring Web Pages to life. Java programs are referred to as applets. Java is an interpreted, object-orientated program language with a syntax and structure similar to C++, designed specifically for the internet by Sun Microsystems. One huge plus for Java is that Java programs can run on many different types of computer (e.g. IBM PC, Apple Macintosh). Java Applets are always small in size and can be downloaded from the Internet and executed as part of the Web page being displayed. Once a programmer has completed the Java program it is compiled to produce an executable module. This executable module has instructions written for the "Java virtual machine" - this is designed for the platform on which the module is to be executed. These instructions are interpreted on the platform where the program is being executed. The "Java Virtual Machines" are available for a number of operating environments e.g. Windows, OS/2. 

Javascript - JavaScript is a Programming Language for developing Client Internet applications. The WEB Browser interprets JavaScript statements embedded in an HTML page. Livewire is the Server based equivalent that enables you to create applications similar to Common Gateway Interface (CGI programs).

K    [TOP]

Kbps - Kilo Bits Per Second - a measure of data transmission speed indicating 1024 bits transmitting in one second.

L    [TOP]

Login - (or log-on) This is the term for the process of actually gaining access to the resources on a particular computer - normally this is done by entering a User ID and a Password.

M    [TOP]

Mail Server - The computers at your ISP that handle the e-mail coming into your account and all the e-mail that you send from your account.

MP3 - MPEG Layer 3.  A standard for digitally compressing music, meaning music files created using MP3 aren't nearly as big as other types pf music files. CD Audio can be compressed by a factor of 10 for example.

Mbps - Mega Bits Per Second - a measurement of data transmission speed indicating 1024 kilobits per second or 1048576 bits per second.

Mb - Megabyte - technically 1024 kilobytes or 1,048,576 bytes - but often applied to the more rounded term of one million bytes as well.

N    [TOP]

Newsgroups - collections of e-mail messages arranged in a hierarchical topic structure and distributed to computers all over the Internet. Users of sites that receive newsgroups can elect to receive particular newsgroups, add messages to the shared message base, and thus join several global special interest groups. There are currently over 12,000 USENET newsgroups available.

Null modem cable - a cable whose connectors are wired so as to permit serial port transfers of data between computers as if they were communicating via modems. Data transfer speeds may reach 115 Kbps over null modem cables between IBM compatible PCs.

O    [TOP] - Suggestions please  

P    [TOP]

Ping - an application program that will tell you if a particular entity is presently connected to the Internet. Useful in diagnosing connection problems or checking up on employees who should be working instead of playing live internet games.

POP - Point Of Presence - in the telephone world this is the geographic location of a particular switch or service.

POP3 - Post Office Protocol - an alternative mail protocol used to service intermittent dialup connections to the Internet whereby mail is held until the caller makes the connection and requests mail. Most SLIP or PPP dialup account users will receive mail from a POP3 account using a programme such as MS-Outlook Express, Netscape Messenger or Eudora.

PPP - Point to Point Protocol - a type of Internet Protocol used via serial connections by modem. A dialup connection providing IP connectivity. Developed later than Serial Line Internet Protocol (SLIP) to accomplish the same intermittent dialup connection function.

Protocol - A system of rules and procedures governing communications between two devices. File transfer protocols in your communications program refer to a set of rules governing how error checking will be performed on blocks of data.

Q    [TOP] - Suggestions please

R    [TOP]

Router - A communications device which routes data between Networks.

S    [TOP]  

Server - a computer dedicated to providing specific services to client computers. Print servers, for example, do nothing but accept, store, and print out jobs sent to them by other computers. An FTP server is dedicated to file-users everywhere.

Shareware - computer software which users are encouraged to copy and distribute to others, and to evaluate for a specified or indefinite period of time. The author gives the user a license to "try before you buy," and requires voluntary payment of a specific sum of money if the user continues to use the software. Failure to pay the requested fee is a legal violation of the author's copyright rights.  Another version of this type of software is called "Freeware" and as the name suggests, differs because no payment is required at any time.

SMTP - Simple Mail Transfer Protocol - the most common method for relaying electronic mail over the Internet.

T    [TOP] 

TCP/IP - Transmission Control Protocol / Internet Protocol. The basic packet protocol used to connect machines globally on the Internet is referred to as the Internet Protocol or IP. The Transmission Control Protocol (TCP) interacts with IP to provide an application protocol interface. The term has come to generically refer to a family of protocols used to connect local area networks to one another, forming an internet, and more specifically the global internet work referred to as The Internet.

TELNET - An application program that allows users to interactively logon to menued services provided at TCP/IP Internet sites. Example: telnet boardwatch.com.

U    [TOP]

URL - Uniform Resource Locator - a system of references to different Internet sites indicating the both the site and type of protocol or application program used to reach it: e-mail, ftp, http, gopher, etc. Example: http://www.boardwatch.com indicates a Hyper Text Transport Protocol address on the World Wide Web (WWW) with location www.boardwatch.com.

USENET - Users Network, one of the earliest networks of computers which exchange e-mail conferences via the Internet using UUCP and NNTP. Properly capitalized in full but often rendered as "Usenet." Estimated to include over 70,000 nodes, 12,000 newsgroup conferences, and 2 million readers.

V    [TOP]

Virus - A malicious programme that can harm your PC. They spread via shared resources, like floppy disks or by email.

W    [TOP]

WAP - Wireless Access Protocol. A system for sending condensed, simplified internet pages to the screen of a mobile phone.

Web - See WWW.

Web Camera - A small camera that plugs into your computers parallel port or USB connector. It sits on top of your monitor and is able to record small movies or take still shots. It's often used to record images for websites or for two people to chat 'face to face', as in video conferencing.

Web Space - The amount of hard drive space allocated to you by your ISP for you to build your own website. The more space you have the bigger you're site can be.

WINSOCK - A Dynamic Link Library (DLL) program for Microsoft Windows that provides a simple program interface to TCP/IP services. Originally developed by Net-Manage, Inc., it has become the model for most Windows based Internet application programs. The most widely used WINSOCK.DLL would be the shareware program TRUMPET Winsock. Internet application programs then use WINSOCK for TCP/IP services.

WWW - World Wide Web - a network of graphical hypertext servers linked by The Internet offering graphics, sound, text, and in some cases video clips providing information.

X    [TOP]

XML - EXtensible Mark up Language - a subset of SGML aimed at Web Site developers. Gives more flexibility than the original standards in HTML.

Y    [TOP] - Suggestions please

Z    [TOP]

ZIP - File extension for files catalogued and compressed using "PKZIP" and "WinZip" compression utilities.

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This page was last modified on
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