Shannon-Weaver Model of Communication “mother of all models” by Claude Shannon and Warren Weaver. It embodies the concepts of information source‚ message‚ transmitter‚ signal‚ channel‚ noise‚ receiver‚ information destination‚ probability of error‚ encoding‚ decoding‚ information rate‚ channel capacity‚ etc. a model which reduces communication to a process of ’transmitting information’. Components: o Information source o Transmitter o Channel o Receiver o Destination o Noise Physical
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1. Define Modulation Modulation process of putting information onto a high-frequency carrier for transmission. 2. What is carrier frequency? In essence‚ then the transmission takes place at the high frequency (the carrier) which has been modified to “carry” the lower-frequency information. 3. Describe the two reasons that modulation is used for communications transmission. The modulated stage accepts two inputs‚ the carrier and the information (intelligence) signal. 4
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Different Methods Of Connecting To The Internet DSL/ADSL Broadband Advantages: * Wide variety of speeds and prices. * Large choice of service providers * Always on connection * Can use a telephone and Internet simultaneously Disadvantages: * Requires special termination equipment to be fitted by the telecom company at both ends of the telephone line‚ expensive and may cause trouble * Exposes computer to Internet so you need to install firewall software in case of viruses
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BCOM 275 FINAL EXAMS TO DOWNLOAD THE ANSWERS http://finalexamguideline.com/ 1) A receiver’s response to a sender’s message is called A. channel B. feedback C. decoding D. encoding 2) The term channel in communication means A. the medium through which a message travels from sender to receiver B. the context of the communication C. the process of changing thoughts into symbols D. the volume at which a message is received 3) The message refers to which of the following
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ABSTRACT Now-a-days‚ the terms “communication systems” are explicitly used to mean electronic communication systems. Because‚ Electronic communication systems has grabbed the Lion’s share of our regular means of communication. Radio‚ Digital TV‚ Mobile‚ Internet has made our life faster & easier & this never ending process is just always on its way to improvement. The Internet is the most dramatic and widespread application of electronics and communication technology
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CS601: Computer Networks lab EXERCISE - 1 Write a Program in C/ C++ for error detecting code using CRC-CCITT (16 bit) Objective: To enable the receiver of a message transmitted through noisy channel to check whether the message has been corrupted. The aim of an error detection technique is to enable the receiver of a message transmitted through noisy channel to determine whether the message has been corrupted. To do this‚ the transmitter constructs a value called a checksum that is the function
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[pic] [pic] [pic] [pic] [pic] [pic] [pic] [pic] Telecommunication Business in Bangladesh The telecommunications sector in Bangladesh is characterized by very low tele-density‚ inefficiency‚ and under-capitalization. BTTB did not have sufficient interconnection capacity to meet the demands of the mobile service providers. Historically‚ the state-owned BTTB has been the monopoly telephone service provider. In a bid
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ABSTRACT This paper is about the telecommunication industry of Pakistan. The paper will explain the reasons why Mobilink is the fastest growing telecommunication company of Pakistan. The paper evaluates mission‚ vision statement of Mobilink and the target audience of Mobilink i.e. different products like Mobilink indigo‚ Jazz Octane and Jazz Jazba etc. The paper will explain the geographic and psychographic segmentation of Mobilink according to its different products. This paper includes
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US 100 101 102. G & S: management of telecommunications systems and telecommunications networks. IC 037. US 100 103 106. G & S: construction and maintenance of telecommunications systems and telecommunications networks. IC 042. US 100 101. G & S: [ design for others of microprocessors and digital signal processors; ] the design for others and maintenance of computer programs to manage‚ operate‚ and maintain telecommunications systems and telecommunications networks. LUCENT TECHNOLOGIES INC November
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2a) War drivers are people who drive around a city looking for working access points that are unprotected. Drive-by hackers park just outside a company’s premises and intercept the firm’s data transmissions. b) A rogue access point is an access point that could be set up by a company’s department or an individual employee. This access point usually have no security which makes it easy for hackers to get into the system. 5a) 802.11i b) WPA2 c) AES-CCMP d) Because it is expensive and there is
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