HELP!! with principles of Signal Theory?
You have taken a job as a junior technician at RouteNet, a company that makes networking hardware (switches, routers, etc). They are planning to set up a networking academy (rather like the Cisco Network Academy) and create related qualifications.
The project manager has asked you to prepare some learning materials for ‘Chapter 1’ of the online course. Chapter 1 is entitled ‘The Theory of Data Communications’. The chapter is subdivided into a number of sections.
The materials can be produced in the form of a Word document or a series of linked web pages or in a PowerPoint.
Explain the principles of signal theory
Write suitable materials for Chapter 1, section 1 which explains the purpose and workings of basic communication devices and the principles of signal theory. Also a brief explanation of the relationship between Bits, Bytes, Frames and Packets.
why dont you google it. in search box type – purpose and workings of basic communication devices, principles of signal theory, Bits, Bytes, Frames and Packets. to get you started :
Communication devices may be simple and designed just to enhance speech output, such as amplifiers. Or they may be more complex, such as communication aids or laptops using communication software, which are designed to augment independent speech for students with severe general mobility difficulties such as in cerebral palsy. A user of augmentative and alternative communication aids (AAC) works through a series of pictures, symbols and words to produce sentences of synthesised speech.
Mobile or adapted telephones can also help communication. A deaf student might use text messaging to confirm appointments or to receive information from you.
E-mail is one of the most effective methods for communicating information to students and has a valuable role in an inclusive policy.
Much of the equipment available to aid communication is electronic and uses synthesised speech. However non-electric boards or books that use pictures, symbols and words may also be used.
How are they used?
Speech amplification may be useful in students’ presentations, or to answer questions in large halls.
Communication aids, as specialist devices or as part of a laptop set up, can provide a student with total oral language support. Vocabulary can be adapted to suit chosen courses and even particular occasions, such as a viva voce, although this may involve specialist support.
Mobile technology, text messaging and e-mailing are relevant to the online support offered to students whether the course has distance learning elements, is based on an e-learning paradigm or involves face-to-face tuition.
keep typing each into google to get info on the workings.
Communication Devices
What are you looking for in Communication Devices?
Automated Voice Answering Systems (130 companies)
Automated voice answering systems are used to take messages and to provide automated information retrieval requests. Learn more about Automated Voice Answering Systems
Handheld Electronic Devices (49 companies)
Handheld electronic devices allow users to send and receive text messages, play games, access media files, and perform other activities. Learn more about Handheld Electronic Devices
Intercoms (119 companies)
Intercoms are an electronic communications system generally composed of fixed microphone/speaker units connected to a central control device. Learn more about Intercoms
Phone Switchboards (75 companies)
Phone switchboards are used for routing telephone calls and adding advanced features to telephone systems. Learn more about Phone Switchboards
Radios (224 companies)
Radios are communication systems that send and/or receive electromagnetic waves. Devices such as citizens’ band (CB) radios, walkie-talkies, and handie-talkies are two-way radios that can be used for interpersonal communications. Learn more about Radios
Specialty Communication Devices (84 companies)
Specialty communication devices use specialized or proprietary interfaces or technologies. Learn more about Specialty Communication Devices
Telephone Components and Accessories (420 companies)
Telephone components and accessories are used in telephone systems. Learn more about Telephone Components and Accessories
Telephones and Cell Phones (374 companies)
Telephones and cell phones convert voice or other sound signals into a form that can be transmitted to another device that receives and reconverts the waves back into sound. Learn more about Telephones and Cell Phones
http://communication-equipment.globalspec.com/ProductFinder/Networking_Communication_Equipment/Communication_Devices
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