4. Computer Hardware Image Gallery Graphics cards take data from the CPU and turn it into pictures. See more computer hardware pictures. The images you see on your monitor are made of tiny dots called pixels. At most common resolution settings‚ a screen displays over a million pixels‚ and the computer has to decide what to do with every one in order to create an image. To do this‚ it needs a translator -- something to take binary data from the CPU and turn it into a picture you can see. Unless
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Take a step up on the platform‚ and breathe in one of your last breaths. Your eyes involuntarily start tearing up‚ though you don’t mean to look weak. You didn’t do anything wrong; you know that. The color of your skin is something you can’t help. At this point‚ the noose is placed over your head. The platform drops out from under you‚ and everything goes black. This scenario was all too common for African Americans all throughout the United States in the late 1800’s and early 1900’s. More specifically
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How To Set Up Your Own FM Radio Station - Licensing And Start Up Issues There are several ways to set up your own radio station. It depends on how serious you are about it. The single most important thing you should know before you get started is why would you need to start your own radio station? Maybe‚ it ’s because you are a DJ or you have a band and want to reach an audience with your songs. Maybe‚ you have a huge collection of rock music and want to share it with the world. Maybe you are a
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During any natural disaster‚ winds can harm any communication systems‚ especially a storm like Hurricane Katrina. Most of modern day communication tools rely on obstacles that are built on land‚ such as radio antennas and cellphone towers. Katrina’s fast winds knocked down a 400 foot antenna that was built to last through winds that would blow up to 150 mile-per-hour. Weakening communication for all citizens in New Orleans. “A majority of the public-safety systems serving police and fire departments
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greater than is necessary for other modes‚ particularly voice communications. The carrier is used in the transmitter to heterodyne (mix) with the audio to convert the audio to radio frequencies (the sidebands)‚ so that they can be radiated from an antenna. The carrier is transmitted along with the sidebands. The advantage of this is that the carrier is available to the receiver to once again heterodyne with the sidebands‚ this time to convert the sidebands back to the original audio frequencies
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Chloroplasts and Photosynthesis All animals and most microorganisms rely on the continual uptake of large amounts of organic compounds from their environment. These compounds are used to provide both the carbon skeletons for biosynthesis and the metabolic energy that drives cellular processes. It is believed that the first organisms on the primitive Earth had access to an abundance of the organic compounds produced by geochemical processes‚ but that most of these original compounds were used up billions
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References: [1] G. J. Foschini And M. J. Gans‚ “On Limits of Wireless Communications in a Fading Environment When Using Multiple Antennas‚” Wireless Pers. Commun.‚ vol. 6‚ no. 3‚ Mar. 1998‚ pp. [4] M. Engels‚ Wireless OFDM Systems: How To Make Them Work?‚ Kluwer Academic Publishers‚ 2002. Mag.‚ vol. 40‚ no. 4‚ Apr. 2002‚ pp. 96–103. [8] G. D. Golden et al.‚ “Detection Algorithms and
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Large Scale Fading and Channel modeling Using Matlab March 2012 Large scale fading and channel modeling Using Matlab Introduction The fading phenomenon can be broadly classified into two different types: large-scale fading and small-scale fading. Large-scale fading occurs as the mobile moves through a large distance‚ for example‚ a distance of the order of cell size . It is caused by path loss of signal as a function of distance and shadowing by large objects such as
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ABSTRACT This project focuses on the development of a web based attendance register system‚ called mobile student attendance monitor. This project is motivated due to the fact that the student’s attendance record is the most important element which can reflect their academic achievement in the institutions. Mostly‚ the attendance register is circulated in the lecture rooms by the lecturers. This is a very time consuming method and not ideal for a large number of students in a big lecture hall.
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types and the IEEE 802.11 standards ■ Determine wireless networks within a broadcast radius and use the command line to gather network information ■ Configure a wireless router for operation ■ Plan a wireless infrastructure using appropriate antennas and channel selection Lab 6.1: Wireless Broadcast Domains Approximate Lab Time: 15–20 min. Materials Needed: paper/pencil‚ Textbook‚ and Internet research This lab reviews the basic IEEE 802.11 family of standards for radio frequency
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