...Core i5 - 8GB Memory - 1TB+8GB Hybrid Hard Drive - Black ------------------------------------------------- ------------------------------------------------- Product Features 4th Gen Intel® Core™ i5-4460 processor Features a 6MB cache and 3.2GHz processor speed with Turbo Boost up to 3.4GHz. Intel® Core™ i5 processor Features smart 4-way processing performance with a speed boost. Intel® Turbo Boost Technology Delivers extra performance when you need it and increased energy efficiency when you don't. 8GB DDR3 memory For multitasking power, expandable to 32GB. Multiformat DVD±RW/CD-RW drive Create custom DVDs and CDs. 1TB hybrid hard drive (7200 rpm) Incorporates an 8GB solid state drive as a cache to offer fast start-up times plus plenty of room to store pictures, videos, music and other important files. NVIDIA GeForce GT 730 graphics Feature 2GB dedicated video memory for lush visuals. An HDMI output and VGA port enable flexible connectivity. 7-in-1 media reader Supports select card formats. 4 USB 3.0 and 2 USB 2.0 ports For fast digital video, audio and data transfer. Built-in high-speed wireless LAN (802.11ac) Allows you to connect to the Internet without wires. Bluetooth 4.0 interface Easily link with other Bluetooth-enabled devices, such as a cell phone or MP3 player. Built-in 10/100/1000 Mbps Ethernet LAN Enables quick and simple wired Web access. HP - Slimline Desktop - Intel Celeron - 4GB Memory - 500GB Hard Drive - Black Diamond/Gray Product...
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...1/19/2015 1/19/2015 One Giant Leap for Apex Design Wireless Network Plan One Giant Leap for Apex Design Wireless Network Plan Team B Team B Apex Design has found the need to incorporate a wireless network to collaborate with their existing wired network. Team B found this opportunity to display to Apex what they can do to bring their company to enjoy the modern conveniences of a wireless network. This deployment plan will cover Team B’s recommendations based off of the site survey provided by Apex. We will discuss our recommended wireless network type. The access point layout and how these points will be managed. We will go over the foreseen obstacles and what our plan is to overcome these obstacles. Finally, we will go over the security policy that should be implemented to keep Apex as secure with our wireless network as they are with their current wired network. IEEE Network Type Apex Designs has asked our company to design a wireless network for their business. This network will consist of several different pieces of hardware that all will work together to meet Apex’s needs. To ensure that the new network is operational, special considerations must be made as to which IEEE network standard to be used. Since Apex Designs is a business that has a preexisting network installed, the new network must be compatible with the legacy systems already in use. Failure to meet this requirement would cause major interruptions in work flow, thus hindering...
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...SOFTWARE REQUIREMENT SPECIFICATION NET VIGILANT NETWORK MONITOR V1.1 Printed On: 3rd Dec 2007 C:\Washington University\ProjectDocument2.doc Department Of Computer Science & Engineering Washington University in Saint Louis Submitted By Subharthi Paul Madhuri Kulkarni Table of Contents |1 |INTRODUCTION |3 | |1.1 |Abstract____________________________________________________________ |4 | |1.2 |Introduction_________________________________________________________ |5 | |1.3 |Product Overview____________________________________________________ |6 | | | | | |2 |SPECIFIC REQUIREMENTS |8 | |2.1 |External Interface Requirements_________________________________________ |9 | | |2.1.1 User Interfaces_________________________________________________ ...
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...Steve Jobs' Best Quotes Ever Owen Linzmayer Email 03.29.06 "It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them." -- BusinessWeek, May 25 1998 View Slideshow View Slideshow One of the great things about Steve Jobs is what comes out of his mouth. The CEO of Apple Computer is a master of hype, hyperbole and the catchy phrase. Even when he's trying to talk normally, brilliant verbiage comes tumbling out. Here's a selection of some of the most insanely great things the man has said, organized by topic: innovation and design, fixing Apple, his greatest sales pitches, life's lessons, taking the fight to the enemy and Pixar. On Innovation and Design: "It's rare that you see an artist in his 30s or 40s able to really contribute something amazing." -- At age 29, in Playboy, February 1985 "I've always wanted to own and control the primary technology in everything we do." -- BusinessWeek Online, Oct. 12, 2004 "Innovation has nothing to do with how many R&D dollars you have. When Apple came up with the Mac, IBM was spending at least 100 times more on R&D. It's not about money. It's about the people you have, how you're led, and how much you get it." -- Fortune, Nov. 9, 1998 "It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them." -- BusinessWeek, May 25 1998 "It comes from saying no to 1,000 things to make sure we don't...
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...especially in this case, school, depend vigorously on the capacity to share data all through the association in a proficient and beneficial way. Since the organization is lodging understudy individual data and also managerial resources and organization data, it is fundamental that the framework is still utilitarian, solid, and secure. PC systems have considered this innovation and are presently separated of verging on each business. The building housing some offices, classrooms, a library, and computer labs has two choices with regards to setting up a system. They can utilize a totally wired system, which utilizes organizing link to associate PCs, or they can utilize a remote system, which utilizes radio frequencies to interface PC. Remote systems or commonly called wireless network have permitted associations to wind up more versatile; in this way, associations are currently utilizing a blend of both wired and remote systems. They fundamental equipment format for the two sorts of systems are genuinely comparative yet for an association to go remote it requires a couple of more equipment parts. In spite of the convenience nature of computer system, they do open the association up to security and protection dangers. In the event that an organization is confronted with a security they are ways that they can alter and forestall future security dangers. As you read on, you will figure out how the system has turned into a fundamental piece of today's associations. On the other hand, it...
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...schematic diagram of relay logic. The main difference from other computers is that PLCs are armored for severe conditions (such as dust, moisture, heat, cold etc) and have the facility for extensive input/output (I/O) arrangements. PLC applications are typically highly customized systems so the cost of a packaged PLC is low compared to the cost of a specific custom-built controller design. On the other hand, in case of mass-produced goods, customized control systems are economic due to the lower cost of the components, which can be optimally chosen instead of a "generic" solution, and where the non-recurring engineering charges are spread over thousands or millions of units. Keywords– PLC-Feathers, Application of PLC and Ladder Logic I. INTRODUCTION C ontrol engineering has evolved over time. In the past humans were the main methods for controlling a system. More recently electricity has been used for control and early electrical control based on relays. These relays allow power to be switched on and off without a mechanical switch. It is common to use relays to make simple logical control decisions. The development of low cost computer has brought the most recent revolution, the Programmable Logic Controller (PLC) [1]. The advent of the PLC began in the 1970s,...
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...SET UP A SMALL OFFICE LAN Final Project SET UP A SMALL OFFICE LAN Final Project Jorge Acevedo CMIS 435 Jorge Acevedo CMIS 435 Table of Contents INTRODUCTION OVERVIEW NETWORK ARCHITECTURE NETWORK STRUCTURAL DESIGN HARDWARE AND SOFTWARE WORKSTATION COMPUTERS NOTEBOOK MULTI-FUNCTION PRINTER VoIP TELEPHONE SWITCH SERVER STORAGE BACKUP WIRELESS ROUTER FIREWALL PROTECTION CABLING AND CONNECTORS SECURITY INTERNET SERVICE PROVIDER CONCLUSION REFERENCES I. Introduction The current design consists of an Intel personal computer with Windows 7 as the operating system and accessing Internet services at 56 kbps modem speeds. The objective is to upgrade to a faster solution through the use of Ethernet Cable and Wireless 802.11n; deploy properly a Local Area Network using the necessary technology, hardware and software specifications, appropriate protocols and group policies; and combined wired and wireless communications to include Internet services provided by an Internet Service Provider. Overview The incorporated network consists of workstations, printer, scanner, fax and copier bundle; telephone capabilities; server management and protocols. The network would be configured to manage users, files, folders and printer sharing options to include a well implemented security system to prevent intrusion of cyber threats such as unauthorized users, viruses and spillage of information. A client-server oriented local area network architecture allows for...
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...integrated with business systems and became more exposed to cyber threats. Supervisory Control and Data Acquisition (SCADA) protocols are communications protocols designed for the exchange of control messages on industrial networks. A control system is a device or set of devices to manage, command, direct, or regulate the behavior of other devices or systems. By complexity, the reliable operation of modern infrastructures depends on computerized systems and SCADA systems. These control systems and devices communicated with each other almost exclusively, and rarely shared information with systems outside their environment. As more components of control systems become interconnected with the outside world using IP-based standards, the probability and impact of a cyber attack is at highest risk. Complexity of SCADA architectures, there is a variety of both wired and wireless media and protocols involved in getting data back to the central monitoring site. This enables implementation of powerful IP-base SCADA networks over mixed cellular, satellite, and landline systems. SCADA communications can employ a diverse range of both wired (lease line, dial up, ADSL, cable) and wireless media (cellular, WLAN, or satellite). SCADA and Security issues In a real world, SCADA system can monitor and control hundreds to hundreds of thousand of I/O (input/output) points. SCADA systems evolve rapidly and are penetrating...
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...You’re Free Inc. | Network Design Project | You’re Free Incorporated | | Contents Executive Summary 3 Project Scope 4 Project Goal 5 Design Requirements 7 Design Requirements – Assumptions 9 Current State of the Network 9 New Logical and Physical Design 14 Implementation Plan 18 Budget 21 References 25 Appendix: Equipment Prices 27 Executive Summary Network requirements are changing on a regular basis. Not too long ago you could only have a wired network connection. If you wanted to make that existing connection portable you simply just connected a longer cable to your computer and dragged it around the office. This contributed to a mess of unsightly cables and multiple connections around an office space that could be connected and reconnected as office layouts changed over time. Even just a few years ago a wireless network was not even worth the effort because of the slow connections and download speeds. Now every coffee shop offers wireless internet with speeds faster than the wired networks of 10 years ago. The company at discussion, You’re Free Inc. is a small law firm that has just experienced some growth and doubled its employee roster as well as double its office space from one floor to two. It is currently using a very slow 10Mbps network to access applications on its server and do video conferencing. As you can imagine there is a big slow down in the network and high latency is experienced during a video conference and during...
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...moves, then turtle moves, then hamster moves. Simultaneous: At the same time/Together Ex// Do Together function - the rabbit, turtle and hamster move. 3. When creating programs (Worlds) in Alice, it was suggested that you use an Incremental Development Process (IDP). What does that mean and what is its primary advantage? IDP: Working on one thing at a time. Advantage: One can text functions/expressions as they are implemented to make sure that have the desired affect. 4. Describe four types of Control Structures available in Alice. i) Do in order - actions occur in sequential order. ii) Do together - actions occur simultaneously. iii) If/Else - if a certain action occurs another action will be done, if a certain action does not occur then a different action will result. iv) Loop - an action will occur continuously for a certain number of times or infinitely. 5. Describe the differences between wired and wireless networks. Wired Networks: A network in which computers and other devices are connected to the network via physical cables. Ex// Found in; Homes, Schools, Businesses, and Government facilities. Wireless Networks: A network in which computers and other devices are connected to the network without physical cables. Data is typically sent via radio waves Ex 1// Found in;...
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...communication. The objective in this paper is to become familiar with the concept of wireless technology. Various topics are covered to include Wireless history, standards, basic principles, regulatory change, and global implications. There was a time when you could easily count all the men in the country who even pretended to know anything about wireless. No one of the few who were working with wireless then, knew whether a set carefully put together would work at all or how far the signals could be heard. Transmissions of a hundred miles or more were hailed as remarkable. Present-day radio listeners are quite prone to think of radio as nothing more than telephonic broadcasting. But before the wireless telephone, came tremendous amounts of hard, sometimes discouraging, but always fascinating and essentially romantic work. Wireless first startled the world’s fair in 1904. At that time there was, of course, no radio public, and the range of wireless was only a few miles. The sending and receiving instruments were unbelievably crude, resembling in no way the marvels of today. Messages were sent at the snail-like pace of a few words per minute, in the...
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...Technology (ICT) as used in houses. The technology can be used to monitor, warn and carry out functions according to selected criteria by the disabled people. Smart home technology makes the automatic communication, via the Internet, fixed telephones lines and mobile phones. The purpose of this paper is to examine the technologies used to help people to overcome their dependence and health problems. Keywords: Assistive technology, Disabilities, Ethical issues, Smart homes, Technology acceptance 1. Introduction As we outgrow each phase of human life not only do our needs and requirements change but so do our views and beliefs on life. One integral part of our existence is independence, which we crave for all throughout our lives and fight hard to keep near the end. Thus, ageing becomes a sour truth in the existence of every inhabitant of the ageing world. In addition to the physical limitations such as blindness, deafness, mild hearing or sight problems, the aged feel emotional dilemma in every aspect of their lives. Keeping with the needs and demands of...
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...Advantages of Brain Compatible Learning environments BOJ1127A: PSY370: Learning & the Brain August 1, 2011 Although we learn in school and use our brains, it is important to have a brain compatible environment that will enrich the minds of our students. This paper will explain what brain compatible environments are and how they can enrich the brain. It will also explain the curriculum (what is taught) and instruction (how it is taught). This paper will also discuss brain based planning strategies, and ways to integrate brain based learning. In order to discuss brain compatible environments we have to first explain what brain based education is. We all know that we use our brains when we learn, however, we, as educators, have to find a way to maximize our students’ learning. Our brain learns when it is ready to learn, it does not learn on demand because it has its own rhythms. “Brain-based education is learning in accordance with the way the brain is naturally designed to learn,” (Jensen, 2008, p. 4). The brain needs an appropriate environment for any intelligence to develop. If a student feels any threats they will use negative behaviors to survive because our brains are designed to help us survive. Moreover, our brains are not set up for typical formal instruction. So, it is important to make sure the environment focuses on positive reaction. That being said we will now talk about brain compatible classrooms. Brain compatible classrooms should have absence...
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...A PROGRAMMABLE LOGIC CONTROLLER (PLC) is an industrial computer control system that continuously monitors the state of input devices and makes decisions based upon a custom program to control the state of output devices. In the late 1960's PLCs were first introduced. The primary reason for designing such a device was eliminating the large cost involved in replacing the complicated relay based machine control systems. Bedford Associates (Bedford, MA) proposed something called a Modular Digital Controller (MODICON) to a major US car manufacturer. Other companies at the time proposed computer based schemes, one of which was based upon the PDP-8. The MODICON 084 brought the world's first PLC into commercial production. When production requirements changed so did the control system. This becomes very expensive when the change is frequent. Since relays are mechanical devices they also have a limited lifetime which required strict adhesion to maintenance schedules. Troubleshooting was also quite tedious when so many relays are involved. Now picture a machine control panel that included many, possibly hundreds or thousands, of individual relays. The size could be mind boggling. How about the complicated initial wiring of so many individual devices! These relays would be individually wired together in a manner that would yield the desired outcome. Were there problems? You bet! These "new controllers" also had to be easily programmed by maintenance and plant engineers. The lifetime...
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...on the type of connectivity. Each also has a different cost and this plays a big part of the final network design decision. Speed is another factor administrators must look at in order to implement a successful network. Speed will help the company maintain business operations and lends to their overall success. Internet Service Providers (ISPs) use connectivity modes like DSL, Cable TV (CATV), and Fiber to the Home (FTTH) to provide internet access to customers at home. Each option changes as personal and business needs dictate what speed and cost customers require. Network Connectivity Issues Ethernet supports unshielded twisted pair cables, fiber optics and coaxial cable. Ethernet can be subject to physical limitations such as the length of the cable and collisions that can happen on the network. Most twisted pair cabling has a maximum length of 100 meters and supports 1024 users on a single subnet. Carrier Sense Multiple Access/Collision Detection (CSMA/CD) is the access method used in Ethernet. If the network is free and two devices transmit at the same time there will be a collision on the line. The packets will be retransmitted when the line becomes free. “When a device wants to gain access to the network, it checks to see if the network is free. If the network is not free the device waits before retrying” (Cisco, n.d.). Wireless networks are different from wired networks when it comes to connectivity. Power is an issued for small mobile devices like...
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