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Broadcasting is the distribution of video and audio content to a whole audience via any audio or visual mass communications medium, but generally one using electromagnetic radiation. The receiving parties may add the relatively large subset or a general public thereof. Broadcasting has been needed for purposes of non-commercial exchange of messages, private recreation, experimentation, emergency communication, and self-training such as amateur (ham) radio and amateur television (ATV) in addition to commercial purposes like popular TV stations or radio with advertisements.
Repeater known as regenerator ; it is an electronic machine that performs only at physical layer. It gets the signal in the network before it becomes loss or weak, recreates the
Question : (a) "Pulse Code Modulation (PCM), as used in telephony, samples a signal at 8 kHz using 256 quantization levels". Outline how this scheme works with the help of ske
Ask You have been asked by a new client to assist in setting up a new computer for her coffee shop. She has just purchased the newest Apple computer from an online site. Should wou
People,Procedures,Data Asset Identification-Risk Management The human resources, data information and documentation assets are more difficult to identify. People having knowle
#ON A lan wher r ip datagrams transported?
Q. Explain the random key distribution? The triple key management mechanisms ensure a better and complete security solution using the random key distribution mechanism. In this
Question: (a) Explain the following security services: Confidentiality, Availability. (b) Which attack will be used to bypass even the best physical and logical security m
Question: (i) ‘Implementation' is a critical stage of the Systems Development Life Cycle. Show the four approaches which are commonly used to implement information systems in
W h a t do you understand by the terms security, network security and information security? How network security and information security are connected? Security can be def
Question : Environmental Accounting is a means for businesses to fulfill their responsibilities for accountability to stakeholders. (a) What do you understand by Environment
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