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There are currently 85 names in this directory
-endian
A suffix indicating the ordering of bytes in a multi-byte number, as in big-endian, little-endian, or middle-endian.

.A3L
MacroMedia Authorware Windows Library (filename extension).

.arts
An ending of an address for a cultural site on the Internet. Example: http://www.renaissance.arts.

.cnt
Means: contents. It is a Windows file holding "table of contents" information.

.CRT
Certificate (filename extension).

.FLR
Folder (file name extension).

.gid
Global Index File. It is created by Windows once a help file is used for the first time. It serves as an index reference for the help system thereafter.

.idx
The extension used for an IDX (index file). Index files are not intended to be a readable file, but are used in conjunction with MBX (multi-index) files.

.info
An ending of an address for an Internet site that offers information services. Example: http://www.travelers.info.

.net
A top-level Internet domain name, short for .network.

.NET
Microsoft's framework for Web services and component software, introduced in 2000 and pronounced "dot-net."

.newsrc
(news run commands) A file that specifies the configuration for the UNIX rn newsreader.

.pac
1. Atari STAD bitmap image 2.Proxy AutoConfig. 3.SBStudio II package or song

.PDF
The file extension for a Portable Document Format file. Portable Document Format was designed by Adobe Systems, Inc. In order to view a .pdf file the user will need Adobe Acrobat Reader, a freeware product available fordownload via the .

.ptm
Polynomial texture map file format.

.PWL
Password List. Extension used by Microsoft for a database file which holds cached password information.

.rec
An ending of an address for an Internet site that is recreational. Example: http://www.games.rec.

.SWF
ShockWave Flash. A file format (pronounced 'swiff') designed to deliver graphics and animation over the Internet.

.swf
shockwave file extension

.swf
shockwave file extension

.twmrc
Tab Window Manager run commands; configuration file (filename extension).

(c)
An ASCII version of the circled c used as a copyright symbol. Unfortunately, (c) is not legally valid. The c must be circled completely, or the word (copyright) must be spelled out in full.

@loha
An add-on electronic mail program that makes it possible to include animation and sound with email messages.

'Snooze
Fidonews, the weekly online newsletter of FidoNet.


A clown emoticon

~
ASCII character 126: ~ tilde. Used in some cases to represent a user's home directory. World Wide Web home pages often use the tilde in this form: www.some.com/~jones.

100Base-T
A high-speed local area network, also called Fast Ethernet. 100BaseT transmits at 100 megabits per second.

101-key keyboard
A standard computer keyboard with 101 keys including the alphanumeric keys, the number pad, F keys, and arrow keys.

104-key keyboard
A keyboard with 104 keys designed to accommodate the Windows 95 operating system.

10Base-2
An Ethernet standard in which a thin coaxial cable is used to connect network nodes. The cable is attached by means of BNC T-connectors to the network cards.

10Base-T
A version of Ethernet in which stations are attached by twisted pair cable, the traditional cables used for telephone lines. 10BaseT uses a star formation, and transmits at 10 megabits per second.

15-bit color
15-bit color makes it possible to display up to 32,768 colors. Digital video requires at least 15-bit color.

16-bit color
A monitor with 16-bit color can display 65,536 colors. This kind of monitor can produce high-quality images for desktop publishing and multimedia.

16-bit computer
A computer whose central processing unit can process 16 bits of information at a time.

16-bit operating system
An operating system that can process 16 bits of data at once.

16-bit sound card
A sound card that takes 16-bit samples of a sound wave, measuring the wave on a scale of 65,536 increments. The 16-bit sound cards produce high-fidelity sound and music for multimedia.

2.5G
Second-and-a-half generation wireless service. Most carriers will move to this wireless service before making the drastic upgrade to 3G. 2.5G changes wireless service to a packet-switched service that will dramatically increase transmission speeds.

24-bit color
A monitor with 24-bit color can display 16.8 million colors. This kind of monitor can be used to display high-quality photography and video for professional design work and digital photo retouching.

24/7
Twenty-four hours a day, seven days a week. A term commonly used to describe the concept of Internet time and how it has affected services; i.e., is your help desk 24/7? Could be substituted for "always on."

286
Nickname for the 80286. The Intel microprocessor used with the IBM PC AT. Its register size is 16 bits, its bus size is 16 bits, and its clock speed is 8 MHz.

2G
Second generation wireless service. Also known as Personal Communications Services (PCS), 2G arrived in 1990 and is the current wireless service available in North America. It is based on circuit-switched technology where each call requires its own cell channel, which makes transmission of data quite slow. 2G services include Code Division Multiple Access(CDMA), Time Division Multiple Access (TDMA), and GSM (Global System for Mobile Communication (GSM). GSM is used in Europe and Personal Digital Communications (PDC) is used in Japan.

32 bit
See 32-bit computer, 32-bit color, 32-bit operating system, 32-bit addressing.

32-bit addressing
If a computer has 32-bit addressing, it means that each address in memory can have 32 numbers. Since each number could be a 1 or a 0, that means that 2^32 (four billion) addresses are available. The computer could theoretically address up to 4 gigabytes of memory; however, many computers with 32-bit addressing have far less than 4 gigabytes of memory.

32-bit color
A monitor with 24-bit color can display 16.8 million colors; 32-bit color does not add more colors, but gives the display additional masking and channeling abilities.

32-bit computer
A computer whose central processing unit can process 32 bits of information at a time.

32-bit operating system
An operating system that can process 32 bits of data at once. For example, Windows 95 and OS/2 Warp are 32-bit operating systems.

32-bit Windows
Windows 95, Windows 98, Windows CE and Windows NT, which are 32-bit operating systems.

386
Nickname for the 80386. A 32-bit microprocessor from Intel with a clock speed of 33 MHz. The 80386 is used in PCs.

3D sound
Three-dimensional sound. Sound that seems to come from various directions, creating the effect of a three-dimensional space. 3D sound is used in virtual reality; this effect can be obtained with stereo headphones.

3DFX
A manufacturer of add-on 3D cards for more powerful 3D graphics.

3G
Third generation wireless service. The next generation of wireless services, 3G will bring wireless transmission speeds up to 2Mbps, which allow for high-quality wireless audio and video. For up-to-date information on the move to 3G wireless service visit www.fcc.gov/3G/

3GL
Third-generation language. A language like PASCAL or FORTRAN, which is at a higher level than assembly language, and easier to understand.

3W or W3
World Wide Web. A hypermedia-based system for browsing Internet sites. It is named the Web because it is made of many sites linked together; users can travel from one site to another by clicking on hyperlinks. Text, graphics, sound, and video can all be accessed with browsers like Mosaic, Netscape, or Internet Explorer. The Web can also be accessed with text-only browsers like Lynx.

4-bit color
A monitor with 4-bit color can display 16 colors. Four-bit color is okay for office use, but not good for displaying graphics.

4004
The first microprocessor, released in 1971 by Intel, with a 4-bit register size and bus size, and a clock speed of 1 MHz.

486
Nickname for the 80486. A 32-bit microprocessor from Intel with a built-in coprocessor and a clock speed of 33 MHz.

4GL
Fourth-generation language. A language more advanced than third-generation languages, and closer to regular speech.

4QD
An electronic motor controller used for remote control of robots.

500 number
A telephone number assigned to an individual, rather than a location. A person with a 500 number can get calls, faxes, or data at any location.

56k line
A transmission channel that can transmit data at 56,000 bps.

586
Pentium. The Intel high-performance microprocessor introduced in 1993, also called P5 or 80586. It is about twice as fast as the 486.

6502
An 8-bit microprocessor from MOS Technology, with a clock speed of 1 MHz. It was used in the Apple II.

6502A
An 8-bit microprocessor from MOS Technology, with a clock speed of 2 MHz, used in the Commodore VIC-20.

68000
A microprocessor from Motorola with a 32-bit register size, a 16-bit bus, and a clock speed of 8 MHz, used in the original Macintosh computer.

68020
A microprocessor from Motorola with a32-bit register size and a 32-bit bus, with a clock speed of 16 MHz, used in the Macintosh LC series.

68030
A 32-bit microprocessor from Motorola with a clock speed of 40 MHz, used in the Macintosh IIfx.

68040
A 32-bit microprocessor from Motorola with a clock speed of 40 MHz and a coprocessor.

68060
A 32-bit microprocessor from Motorola with a clock speed of 66 MHz.

680x0
A series of microprocessors developed by Motorola, used in Macintosh computers. See 68000, 68020, 68030, 68040, 68060.

686
The Pentium Pro. Successor to the Pentium microprocessor; also called P6 or 80686. The 686 has internal RISC architecture and a CISC-RISC translator. It is faster than the Pentium for 32-bit software but slower for 16-bit software.

6DOF
Six Degrees of Freedom. A virtual reality term used to describe movement in three-dimensional space.

8-bit color
A monitor with 8-bit color can display 256 colors, which is fine for business and home use, but not good enough for producing high-quality graphics. For multimedia applications, 256 colors is the minimum needed.

8-bit computer
A computer whose central processing unit can process 8 bits of information at a time.

8-bit sound card
A sound card that takes 8-bit samples of a sound wave, measuring the wave on a scale of 256 increments. These older sound cards have been mostly superseded by 16-bit sound cards, which have higher quality sound.

802.x
The set of IEEE standards for defining LAN protocols.

80286
The Intel microprocessor used with the IBM PC AT. Its register size is 16 bits, its bus size is 16 bits, and its clock speed is 8 MHz.

80386
A 32-bit microprocessor from Intel with a clock speed of 33 MHz. The 80386 is used in PCs.

80386SX
A less expensive version of the Intel 80386, with a 16-bit bus.

80486
A 32-bit microprocessor from Intel with a built-in coprocessor and a clock speed of 33 MHz.

80486SX
A less expensive version of the 80486 Intel microprocessor, with no coprocessor.

8051
An 8-bit microprocessor/microcontroller from Intel, with a clock speed of 1-12 MHz.

80586
Pentium. The Intel high-performance microprocessor introduced in 1993, also called P5 or 586. It is about twice as fast as the 486.

80686
The Pentium Pro. Successor to the Pentium microprocessor; also called P6 or 686. The 80686 has internal RISC architecture and a CISC-RISC translator. It is faster than the Pentium for 32-bit software but slower for 16-bit software.

8080
An 8-bit microprocessor from Intel, with a clock speed of 2 MHz. It was the first general-purpose microprocessor.

8086
An Intel microprocessor with a register size of 16 bits and a bus size of 16 bits, with a clock speed of 8 MHz.


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