Catherine Grace L. Tomas BSIT-4B TRANSMISSION MEDIA The means through which data is transformed from one place to another is called transmission or communication media. There are two categories of transmission media used in computer communications. Infrared Infrared transmission is usually limited to a small area‚ e.g. one room‚ with the transmitter pointed towards the receiver. The hardware is inexpensive and does not require an antenna.
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These important ions help regulate homeostasis in our bodies‚ as well as allowing us to move‚ absorb food‚ heal‚ and reproduce. Understanding how these ions work within our bodies will allow us to comprehend the physiology behind muscle contraction‚ nerve signaling and cell signaling. Upon learning about calcium‚ we already briefly know how
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something beneficial to us. Sure enough‚ there appear to be a number of articles written to support this - "Bactericidal activity of cerumen"‚ Chai & Chai (ref 1)‚ "Bactericidal activity of wet cerumen"‚ Stone & Fulghun (ref 2)‚ etc. (though this concept is refuted by a later study! (ref 3))On the other hand‚ I could find only very few articles that discuss the role that ear wax plays in disease transmission or as a portal of exist for pathogens. I started with an article by Kemp & Bankaitis (ref 4)‚ in
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Data transmission‚ digital transmission‚ or digital communications is the physical transfer of data (a digital bit stream) over a point-to-point or point-to-multipoint communication channel. Examples of such channels are copper wires‚ optical fibres‚ wireless communication channels‚ and storage media. The data are represented as an electromagnetic signal‚ such as an electrical voltage‚ radiowave‚ microwave‚ or infrared signal. Data representation can be divided into two categories: Digital
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The nerve impulse The information is transmitted by polarity changes in the membranes of cells due to the presence of neurotransmitters that alter the ionic concentration inside the cell. Moreover‚ inside the neuron proteins and ions are negatively charged . This difference in ion concentration also produces a potential difference between the outer membrane and within the cell . The value reached is about -70 millivolts (negative inside with respect to the value of positive charges outside
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Title: How Do Nerve Cells Work and Why is it Important for Psychologists to know this? Student number: M00267898 Word count (Excluding title and references section):1‚062 Declaration By submitting this work I acknowledge that I am its author‚ that all sources consulted in its preparation are referenced appropriately in accordance with the referencing guide‚ and that I have not copied from any source. How Do Nerve Cells Work and Why is it Important for Psychologists to know this? Biological
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Optical Fiber Communication Course Code-MCS-616 1. Draw a diagram to approaches of optical communication. 2. Draw a block diagram of Light wave application areas. 3. Why do we use fiber computing? State the characteristics of optical fiber communication. Why we Use Optics for Computing? One of the theoretical limits on how fast a computer can function is given by Einstein’s principle that “signal cannot propagate
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15:25–33 DOI 10.1007/s10924-006-0042-3 ORIGINAL PAPER Chemical Treatments of Natural Fiber for Use in Natural Fiber-Reinforced Composites: A Review Xue Li Æ Lope G. Tabil Æ Satyanarayan Panigrahi Published online: 4 January 2007 Ó Springer Science+Business Media‚ LLC 2006 Abstract Studies on the use of natural fibers as replacement to man-made fiber in fiber-reinforced composites have increased and opened up further industrial possibilities. Natural fibers have the advantages of low density
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90% I believe are positives. In this essay I am going to list some things that the internet can do for us starting with the positives and negatives. Some of the positives of the invention of the internet are the ability to learn more quickly. If I want to know something I can just Google it rather than getting an encyclopedia or taking a really long time to read a book. You can also learn how to do hair‚ fix cars‚ solve math problems‚ anything all you have to do is look it up on YouTube and
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Does birth order have an effect on intelligence and/or achievement? In 1874 Francis Galton reported that firstborn children were overrepresented as high achievers in various scientific fields. There were flaws in Galton ’s methodology‚ for instance‚ he did not count female children in his results. Male subjects were counted as a first born even if they were the tenth child‚ but the nine older siblings were female (Esping‚ 2003). However‚ Galton’s conclusion that birth order correlates with intelligence
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