Info Laptop

Dell 3.0 Ghz. Super Fast GX Computer, Gigantic 750GB Hard Drive, 4GB RAM, DVD Burner (DVD-RW), and New Licensed Windows XP with Genuine Microsoft Authorized CD

• Intel Pentium 4 3.0 GHz With Hyper Threading (very fast), 4 Gigabytes (GB) DDR RAM Memory, Gigantic 750GB Hard Drive
• DVD-RW Optical Drive (Plays and Records DVDs/Plays and Records CD’s), 10/100/1000 LAN Networking and Internet (Cable-DSL Internet Ready) 8 x USB Ports
• Original Sealed Microsoft XP, Office Suite CDs included (Open Office is Microsoft Office compatible), Anti-Spyware and Anti-Virus Programs
• High Speed Internet Ready, Audio In & Out, Headphone In, Microphone In, Windows XP CD, Application, Driver, Manual CD
• Also Includes: Power cables, Keyboard, Mouse, Speakers

This computer has been refurbished by a Microsoft Authorized Refurbisher. It includes an Original Genuine Licensed Windows XP Operating System with a new sealed Official Microsoft CD from a Microsoft Authorized Refurbisher. Beware of Software Piracy. Many other sellers offer a non-original copy of Windows XP. A non-original or counterfeit copy may leave your computer at risk and inhibit your right to critical security updates and is also illegal. SUPER FAST DELL Optiplex Pentium 4 3.0 GHz computer system with everything. This UPGRADED DELL includes: 4 Gigabytes of DDR2 Ram Memory, a Huge 750GB SATA Hard Drive, Fast DVD-RW (Plays/Records DVDs and CDs), and is loaded with great software. It is ready for any Cable/DSL internet connection. Also included FREE: Scrolling Mouse, Keyboard, and Hi- Fi Stereo Amplified Speakers!

The Dell Optiplex was designed for heavy professional use at large fortune 500 companies. They differ greatly from the Dell consumer line of computers sold in stores, which are usually not as high quality. The Dell Optiplex cases and interiors are more durable and very well designed for the demanding corporate customer. These computers are great for all users. This Dell Optiplex is an excellent choice for Office, Home, or School. Students, Professionals, Educators, and Parents can all benefit from this computer. Even in demanding network environments where multiple computers are inter connected, and consistent operation is a must, the Dell Optiplex is a proven performer.

Rating: (out of 32 reviews)

Price:

Dell Super Fast Optiplex Computer With LCD Flat Panel Monitor Included, Big 40 GB (Gigabyte) Hard Drive, 1 GB RAM, P4 Desktop PC, Single Core 2.8Ghz. Processor, XP

• Also Includes: Power cables, Keyboard, Mouse, New Speakers
• High Speed Internet Ready, Anti-Spyware and Anti-Virus Programs also included on CD (to install)
• Intel Pentium 4 2.8 GHz (Gigahertz, very fast), 1 Gigabyte (GB) DDR RAM Memory, Big 40 GB Hard Drive
• CD Drive (Plays Music & Data CD’s), 10/100 Networking (Cable-DSL Internet Ready), 8 x 2.0 USB Ports
• Original Sealed Microsoft XP, Office Suite CDs included (Open Office is Microsoft Office compatible), Anti-Spyware and Anti-Virus Programs

This computer has been refurbished by a Microsoft Authorized Refurbisher. It includes an Original Genuine Licensed Windows XP Operating System with a new sealed Official Microsoft CD from a Microsoft Authorized Refurbisher. Beware of Software Piracy. Many other sellers offer a non-original copy of Windows XP. A non-original or counterfeit copy may leave your computer at risk and inhibit your right to critical security updates and is also illegal. SUPER FAST DELL Optiplex Pentium 4 3.0 GHz computer system ready to use. This UPGRADED DELL includes: 1 Gigabytes of DDR Ram Memory, a 40 GB Hard Drive, Fast CD Optical Drive, loaded with great software. It is ready for any Cable/DSL internet connection. Also included FREE: Scrolling Mouse, Keyboard, and Hi- Fi Stereo Amplified Speakers.

Rating: (out of 16 reviews)

Price:

Product DescriptionThe all-in-one iMac packs a complete, high-performance computer including the latest Intel Core 2 Duo processors into a beautifully thin, anodized aluminum and glass design. The latest Intel Core 2 Duo processor runs at 2. 4GHz with advanced 45-nm process technology and 6MB of shared L2 cache, allowing you to run your applications faster and more efficiently than ever before. This iMac features a glossy 20-inch widescreen display and ATI Radeon HD graphics, that gives you a blow-you-away level of detail and realism in games, three-dimensional graphics, high-resolution photos, and high-definition video that comes alive with rich, vivid color. Built into the top of iMac is an iSight camera. You’ll hardly notice it’s there until you want to launch iChat, Photo Booth, or iMovie. The remarkable picture quality and color accuracy make this tiny feature huge. With iLife ‘09, Mac OS X Leopard, built-in wireless, speakers, and ultrathin anodized aluminum Apple Wireless Keyboard, you’ll be creating, sharing, surfing, and playing within minutes of opening the box. 20 Glossy Widescreen TFT Active-Matrix (1680 x 1050, 290 cd/m2, 800 – 1 contrast ratio, 160 H/V viewing angle) Liquid Crystal Display Built-in iSight Camera with Microphone ATI Radeon HD 2400 XT with 128MB GDDR3 Dedicated Video Memory Slot-loading 8x SuperDrive with 4x Double-Layer burning (DVD+-RW/CD-RW) Stereo speakers with 24-watt Digital Amplifier AirPort Extreme (802. 11a/b/g/n) Bluetooth 2. 1 + EDR 10/100/1000BASE-T (Gigabit) Ports – 3 x USB 2. 0, FireWire 800, FireWire 400, Optical Digital Audio Output/Headphone out, Optical Digital Audio input/audio line in, mini-DVI with support for DVI, VGA, S-Video, and Composite Video connections via Optional Adapter, RJ-45 (LAN) Approximate Unit Dimensions – 18. 5 (H) x 19. 1 (W) x 7. 4 (D) Approximate Unit Weight – 20 Pounds
Apple MB388LL/A iMac with 20″ Screen Desktop Computer

Product DescriptionSwiss Gear Computer Backpack
SwissGear Computer Backpack

Product DescriptionKEY BENEFIT: An emphasis on application-layer paradigms and application programming interfaces, encourages a lively, hands-on experience with protocols and networking concepts. KEY TOPICS: Computer Networks and the Internet; Application Layer; Transport Layer; Network Layer; Link Layer and LANs; Wireless and Mobile Networks; Multimedia Networking; Security in Computer Networks; Network Management; New discussions of VPN, IPsec, VLAN and updated technology treatment. MARKET: A useful reference for computer networking professionals. Amazon. com ReviewCertain data-communication protocols hog the spotlight, but all of them have a lot in common. Computer Networking: A Top-Down Approach Featuring the Internet explains the engineering problems that are inherent in communicating digital information from point to point. The top-down approach mentioned in the subtitle means that the book starts at the top of the protocol stack–at the application layer–and works its way down through the other layers, until it reaches bare wire. The authors, for the most part, shun the well-known seven-layer Open Systems Interconnection (OSI) protocol stack in favor of their own five-layer (application, transport, network, link, and physical) model. It’s an effective approach that helps clear away some of the hand waving traditionally associated with the more obtuse layers in the OSI model. The approach is definitely theoretical–don’t look here for instructions on configuring Windows 2000 or a Cisco router–but it’s relevant to reality, and should help anyone who needs to understand networking as a programmer, system architect, or even administration guru. The treatment of the network layer, at which routing takes place, is typical of the overall style. In discussing routing, authors James Kurose and Keith Ross explain (by way of lots of clear, definition-packed text) what routing protocols need to do: find the best route to a destination. Then they present the mathematics that determine the best path, show some code that implements those algorithms, and illustrate the logic by using excellent conceptual diagrams. Real-life implementations of the algorithms–including Internet Protocol (both IPv4 and IPv6) and several popular IP routing protocols–help you to make the transition from pure theory to networking technologies. –David Wall Topics covered: The theory behind data networks, with thorough discussion of the problems that are posed at each level (the application layer gets plenty of attention). For each layer, there’s academic coverage of networking problems and solutions, followed by discussion of real technologies. Special sections deal with network security and transmission of digital multimedia.
Computer Networking: A Top-Down Approach

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