Construction Digital Voltmeter Raj K. Gorkhali A voltmeter finds its importance wherever voltage is to be measured. Here we present an easyto-build and accurate digital voltmeter that has been designed as a panel meter and can be used in DC power supplies panels or where it is necessary to have an accurate indication of the voltage. Circuit description The circuit uses an analogue-todigital converter ICL7107 made by INTERSIL. Fig. 1 shows the pin detail of IC L7107. This IC incorporates in
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Abraham Maslow proposed a theory called “Maslow’s hierarchy of needs”. This theory explains that every person has a hierarchy of 5 needs‚ which are physiological needs‚ safety needs‚ social needs‚ esteem needs and self-actualization needs as shown in the figure above. At the bottom of the hierarchy are the physiological needs. Physiological needs are a person’s basic needs for food‚ drink‚ sex‚ air and other physical requirements. An organizational example of physiological needs is a comfortable
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A tipi (also tepee and teepee) is a Lakota name for a conical tent traditionally made of animal skins and wooden poles used by the nomadic tribes and sedentary tribal dwellers (when hunting) of the Great Plains. Tipis are stereotypically associated with Native Americans in general but Native Americans from places other than the Great Plains mostly used different types of dwellings. The term "wigwam" (a domed structure) is sometimes incorrectly used to refer to a tipi. The tipi was durable‚ provided
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Around the world in 80 treasures PART 10 The 7th treasure. Brazil. Umahara Headdress Task 1.Learn the new vocabulary: Kuyab Igbatsa tribe The Variva River rain forests devastation share scale timber logger grazing land to feed the world with beef burgers threshold remains of rain forests tributary of the Amazon to cling to traditional way of life hunter gatherer to threaten cattle rancher Catholic missionaries to forcibly remove headdress immense importance human
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taking steps to change the situation and has determined to build a “Digital Bangladesh”. The sense of Digital Bangladesh is not clear yet. We assume that the gov. wants to make Bd fully digitalized by the year of 2021 through application of third generation information and communication technology. It was an election manifesto(2008) of Awami League‚ one of the leading political parties of Bangladesh. The philosophy of Digital Bangladesh comprises ensuring people’s democracy and human rights‚ transparency
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Digital Natives‚ Digital Immigrants Summary In his article‚ Marc Prensky states that the students in our classrooms are much more different than the people who are in front of the classroom teaching in terms of how they learn and the ways in which they are able to take in information. He gave the two different groups of people different titles; digital immigrants‚ and digital natives. Immigrants being those people who were not born in a time when technology was not readily available to use at all
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DESCRIPTION OPTICAL MICROSCOPE Introduction The optical microscope has been a standard tool in life science as well as material science for more than one and a half centuries now. The optical microscope widely use in the field of cell biology‚ microbiology‚ biotechnology‚ pharmacology‚ forensic and medical diagnosis especially when dealing with tissue fragments. It is a type of microscope which uses visible light and a system of lenses to magnify images of small samples. In other words‚ Optical microscope
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Critique on Digital Demands Sherry Turkle describes how we are constantly connected to our phones‚ the internet‚ and also our computers. She describes how it is getting worse with all the people as we cannot enjoy the simple‚ pleasuring tasks that we used to enjoy before. When reading her interview it is very easy to visualize how things have changed. Turkle‚ who has worked at MIT for 30 years‚ says that students have changed over the 25 years of having technology and that it is not the same as
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Table of Contents Abstract 3 Digital forensics 4 Network forensics 4 Anti-forensics Techniques 7 Mobile Device Forensics 9 File Carving 10 Conclusion 12 Bibliography 13 Abstract Digital forensics is an emerging discipline that focuses on the acquisition‚ recovery‚ documentation‚ and analysis of information contained within and created with computer systems. These methods and methodologies are used typically to figure out what happened‚ when it happened‚ how it happened‚ and
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CPEN 214 - Digital Logic Design Binary Systems C. Gerousis © Digital Design 3rd Ed.‚ Mano Prentice Hall Digital vs. Analog • An analog system has continuous range of values – A mercury thermometer – Vinyl records – Human eye • A digital system has a set of discrete values – Digital Thermometer – Compact Disc (CD) – Digital camera Benefits of using digital Analog signal Digital signal • Advantages of using Digital: • Cheap electronic circuits • Easier to calibrate and adjust • Resistance
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