electromagnetic waves are propagated in microwave and RF communications. The wave passing through the medium is forced to follow the path determined by the physical structure of the guide. 3. FTTH: Short for fiber-to-the-home‚ the installation of optical fiber from a telephone switch directly into the subscribers home. Fiber optic cable is an alternative to coaxial cable. 4. Simplex: refers to one-way communications where one party is the transmitter and the other is the receiver. An example of
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Chapter 3 Review Questions 1-18 (page 130) 1. When determining the appropriate hardware components of a new information system‚ what role must the user of the system play? When determining the appropriate hardware components of a new information system‚ the user of the system must assemble an effective and efficient system. The user should select and organize components while understanding the trade-offs between overall system performance and cost‚ control‚ and complexity. The user involved in selecting
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from EMI. Has no shielding. Shielded Twisted Pair (STP) Same as the UTP cables except it is shielded in a metal sheath around it to stop external interference. Fiber-Optic Cable A cable that uses glass to transmit data using light waves. Dark Fiber Optical fiber that has already been laid but is not currently being used. Coaxial Cable A Cable that is commonly used in audio and video. It connects to cable television to televisions and also used in cable internet modems. Plenum The space between the ceiling
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services including voice‚ video‚ and data. FTTH offers triple play services with very high data speed. It is a broadband telecommunications system which is based on fiber optic cables and associated optical electronics for delivery of multiple advanced services to homes and businesses. This will provided optical fiber system to the homes by developments by partnering with developers or constructors. The different ways of connecting to internet such as cable modem‚ IPTV. The fiber network delivers true
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Table of contents Page 1: Information page. Page 2: Table of contents. Page 3: Why I chose a tree topology. Diagram of tree topology. Page 4: Hardware and software required. Communications mediums and protocols. Page 5: Advantages and disadvantages for staff. Page6: Advantages and disadvantages for learners. Social and ethical implications. Page7: Security of network. Bibliography. Diagram
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Electronics- Fall 2012 Wired Optical Mouse Dissection For the “Take it Apart and Figure It Out” Project‚ Team Arsenic was given a wired optical mouse. The mouse brand was Onn‚ produced by Blue Trace Technology and sold by Wal-Mart. During the in-class part‚ we obtained a basic understanding of the workings of the mouse‚ but‚ to completely understand the operation of the mouse‚ we had to research the various parts individually since no blueprint for the mouse exists. After understanding the
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Telecommunications Cabling Building Codes Kevin Wingate – NT1310 Introduction • The information in this presentation should be useful in making design-related decisions that will not only satisfy the move to our new building Information Technology (IT) requirements but also meet the needs of the building and its future occupants with respect to voice‚ video and data communications ANSI/EIA/TIA standards • * ANSI/EIA/TIA standards 568-C-Commercial Building Telecommunications Cabling Standard •
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Can Art Change the Way We View the World? Susan Agee Classics in Philosophy of Art - P346 Gregory Steel Fall 2012 For centuries‚ art has been interwoven throughout the history of mankind. From primitive carvings on cave walls and ancient Egyptian hieroglyphs‚ to the Sistine Chapel and the Mona Lisa‚ artistic creations have enthralled the human race. Art may be a window to the creator’s world; it has potential to instill desire in the viewer to do something they have never done‚ be somewhere they
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one for the left and right positioning Resolution (resolving power): is the ability to distinguish two points as separate when they are close together Wavelength: the distance between similar points along a wave Compound light microscope: is an optical instrument comprised of more than one lens and uses light to illuminate the object under study Electron microscope: can provide magnifications in the vicinity of 1 to 2 million power Cell: is a fundamental anatomic until in which all life is contained
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1. Background information ownership‚ history‚ size‚ business scope‚ major products/services‚ and major markets AKIRA was established in 1990 as a Singapore home grown brand‚ targeting mainly on the mass-market. The parent company‚ TT International is a leading Singapore-based player in global trading of consumer electronics. They focus on affordability and quality of their products‚ which then became their brand values. Started with only 12 products‚ they expanded to more than 2‚000 models
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