ANALOGUE & DIGITAL SIGNALS Name: - BHAVESH PATWAL Tutor : - JAY PATEL Date: - 20th November‚ 2012 I . Analogue Signals : - Analogue signal is a form of transmitting data such as voice‚ image or video using continuous signals. This is a relatively inexpensive way to transmit data. Analogue communications are usually sent via twisted cables or fibre optic cables and they are transmitted via a carrier signal which is set at a specific frequency. The primary disadvantage of
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trust in a digital scholarship environment. The content is related to the accuracy of data‚ the integrity of scholarly research process‚ electronic publications and communications‚ intellectual property rights‚ confidentiality/ privacy and data security. The paper raises the questions such as: in digital scholarships‚ is ethics and legal have been taking into consideration when conducting digital research process? Do people and scholars or education industry put 100% believe in digital information
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Born Digital While reading Born Digital: Understanding the First Generation of Digital Natives you come to the conclusion the authors purpose is to clearly inform society on how drastic technology is taking over in today’s world. The toddler playing on a tablet in the grocery store the ten year old with an iPhone or the teenager who always had their headphones in are prime examples of digital natives. Digital Natives are the generation of people born after 1980‚ into a truly digital world. More
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DIGITAL SIGNATURE A digital signature is an electronic signature that can be used to authenticate the identity of the sender of a message or the signer of a document‚ and possibly to ensure that the original content of the message or document that has been sent is unchanged. Why use certificate signatures? Many business transactions‚ including financial‚ legal‚ and other regulated transactions‚ require high assurance when signing documents. When documents are distributed electronically‚ it
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Digital Signature Act 1997 The primary intent of the Digital Signature Act 1997 is to regulate the use of digital signatures and to provide for matters connected therewith. We start with the privacy implications of digital signatures in general. A digital signature is a ’message digest’ encrypted using the sender’s private key. The recipient can recreate the message digest from the message they receive using the sender’s public key. He can then compare the two results to satisfy himself
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In the article Digital Natives‚ Digital Immigrants Marc Prensky asserts that if digital immigrant educators wish to reach digital naives they will have to adapt. Prensky’s claims are a response to the fact that teachers don’t believe that they should have to adapt in order to teach students. With the rapid change change of students and technology the interests and focuses of students have shifted. In addition to this change in students‚ the educators are remaining the same causing a communication
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DIGITAL FUEL LEVEL INDICATOR ABSTRACT Imagine this. You are on a highway and suddenly your vehicle stops. To your horror‚ you find that you are out of fuel. You check the fuel indicator and find that it has gone repair and is pointing to a higher value on the scale. This is a major shortcoming of the ANALOG FUEL LEVEL INDICATOR. This drawback can be redressed by simply switching the indicator to DIGITAL type. Our project deals on this mechanism and helps to explain the process which can be
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Digital library Introduction: A digital library is where the information is digitalised and stored in the form of electronic portal that provides access to all kind of database such as bibliographies‚ full-text resources‚ catalogues‚ search engines‚ internet resources‚ reference works‚ E-journals etc. Earlier its only paper based works only available in libraries. However‚ technologies have overcome the traditional techniques and ways of gathering information from libraries. . Now in present life
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The terms ‘Digital Native’ and ‘Digital Immigrant’ were coined by Marc Prensky in the essay he had written in 2001. Digital Natives were defined as students that were born into the digital age‚ their lives are immersed into technology and are the “‘native speakers’ of the digital language of computers‚ video games and the internet” (Prensky M‚ 2001‚ pp. 1). Digital Immigrants are individuals who were not born into the digital world but have come into contact with technology at one point in their
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* Merits and Demerits of Digital technology in still photography. Digital Technology: A digital system is a technology that uses discrete‚ discontinuous representations of information or works in a discontinuous manner. This is contrasted with continuous‚ or analog systems which behave in a continuous manner‚ or represent information using a continuous function. Although digital representations are discrete‚ the information represented can be either discrete‚ such as numbers and letters or continuous
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