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High-Tech Dictionary >>
Word Definition
RJ-22: Registered Jack-22
Registered Jack-22 (RJ-22) is a four wire modular jack used for connecting telephone handsets to telephone instruments.
RJ-25C: Registered Jack-25C
Registered Jack 25C (RJ-25C) is a standard for a modular connector using 6 conductors. It is usually used to implement a 3-line telephone connection.
RJ-45: Registered Jack-45
Registered Jack-45 (RJ-45) is an eight-wire connector used to connect computers onto a local-area networks (LAN), especially Ethernet. RJ-45 comes in two types: keyed and non-keyed.
RJ Connector
RJ Connector (Registered jack connector) is a standard connector originally used to connect telephone lines. RJ connectors are now used for telephone connections and for 10BaseT and other types of network connections. RJ-11, RJ-12, and RJ-45 are popular types of RJ connectors.
ROM: Read Only Memory
Read-only memory (ROM) is a type of nonvolatile computer memory on which data has been prerecorded. Once data has been written onto a ROM chip, it cannot be removed and can only be read. The data are permenently there regardless if the power is on or off.
ROMB: RAID on Motherboard
RAID on motherboard (ROMB) refers to RAID circuits built on the motherboard rather than a plug-in host adapter. ROMB is a memory system in which the RAID component of the system is kept separate from the PCI buses so that the PCI buses do not interfere with RAID traffic and cause bottlenecking. ROMB saves a PCI slot and improves speed because it is not using a shared bus.
Router
A router is a device or a piece of software in a computer that forwards and routes data packets along networks. A router connects at least two networks, commonly two LANs or WANs or a LAN and its ISP network. A router is often included as part of a network switch. A router is located at any gateway where one network meets another, including each point-of-presence on the Internet.
Routing Switch
Routing switch is a switch that also performs routing functions. Usually a switch operates at layer 2 (the Data Link layer) of the OSI Reference Model while routers operate at layer 3 (the Network layer). Routing switches, performing both layer 2 and layer 3 functions, typically have the routing operations implemented in hardware rather than using software. Therefore it is faster than the software based routers. However, routing switching may not as powerful or as flexible as full-fledged routers. Because they perform some layer 3 functions, routing switches are sometimes called layer-3 switches.
RTU: Remote Terminal Unit
Remote Terminal Unit (RTU) is a device located at a remote site to collect data and transmit the data back to a central station (or master). An RTU also collects information from the master device and implements processes that are directed by the master. RTUs are equipped with input channels for sensing or metering, output channels for control, indication or alarms and a communications port. RTU is usually part of the SCADA system.
Run-time Memory
Run-time Memory is the computer memory accessed while a program runs.
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Random Words
 
Word : Open Source Movement
Explanation : The open source movement is an offshoot of the free software movement that advocates open-source software as an alternative label for free software, primarily on pragmatic rather than philosophical grounds.
 
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Tech Word for Today
 Word : EGCS: Experimental/Enhanced GNU Compiler System.
 Explanation : Experimental/Enhanced GNU Compiler System(EGCS) was a compiler system which forked from the GNU Comp
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DVD titling; and digital audio, Adobe Photoshop CS3 extended, Adobe illustrator CS3,Adobe indesign CS3,Adobe Acrobat 8 Professional, Adobe Flash CS3 Professional, Adobe Dreamweaver CS3,Adobe Contribute CS3,Adobe Fireworks CS3,Adobe After Effects CS3 Professional, Adobe Premiere Pro CS3,Adobe Soundbooth CS3,Adobe Encore CS3,Adobe OnLocation,Adobe Bridge CS3,Adobe Version Cue CS3,Adobe Device Central CS3,Adobe Stock Photos, Intel Pentium 4 (1.4GHz processor for DV; 3.4GHz processor for HDV), Intel Centrino, Intel Xeon, (dual 2.8GHz processors for HD), or Intel Core, Duo (or compatible) processor; SSE2-enabled processor required for AMD systems Microsoft Windows XP with Service Pack 2 or Microsoft Windows Vista Home Premium, Business, Ultimate, or Enterprise (certified for 32-bit editions) 1GB of RAM for DV; 2GB of RAM for HDV and HD; more RAM recommended when running multiple components 10GB of available hard-disk space (additional free space required during installation) Dedicated 7,200 RPM hard drive for DV and HDV editing; striped disk array storage (RAID 0) for HD; SCSI disk subsystem preferred Microsoft DirectX compatible sound card (multichannel ASIO-compatible sound card recommended),1,280x1,024 monitor resolution with 32-bit color adapter Blu-ray burner required for Blu-ray Disc creation OHCI compatible IEEE 1394 port for DV and HDV capture, export to tape, and transmit to DV device QuickTime 7.1.2 software required to use QuickTime features Broadband Internet connection required for Adobe Stock Photos* and other services