| 100Base-T |
A high-speed local area network, also called Fast Ethernet. 100BaseT transmits at 100 megabits per second.
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| 101-key keyboard |
A standard computer keyboard with 101 keys including the alphanumeric keys, the number pad, F keys, and arrow keys.
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| 104-key keyboard |
A keyboard with 104 keys designed to accommodate the Windows 95 operating system.
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| 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.
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| 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.
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| 15-bit color |
15-bit color makes it possible to display up to 32,768 colors. Digital video requires at least 15-bit color.
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| 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.
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| 16-bit computer |
A computer whose central processing unit can process 16 bits of information at a time.
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| 16-bit operating system |
An operating system that can process 16 bits of data at once.
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| 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.
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| 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.
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| 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.
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| 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."
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| 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.
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| 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.
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| 32 bit |
See 32-bit computer, 32-bit color, 32-bit operating system, 32-bit addressing.
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| 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.
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| 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.
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| 32-bit computer |
A computer whose central processing unit can process 32 bits of information at a time.
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| 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.
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| 32-bit Windows |
Windows 95, Windows 98, Windows CE and Windows NT, which are 32-bit operating systems.
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| 386 |
Nickname for the 80386. A 32-bit microprocessor from Intel with a clock speed of 33 MHz. The 80386 is used in PCs.
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| 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.
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| 3DFX |
A manufacturer of add-on 3D cards for more powerful 3D graphics.
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| 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/
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