Bandwidth

Q1.Ethernet has become the standard for LAN communications. Give a brief overview of structure of an Ethernet frame. Ethernet and Wi-Fi are the most commonly used technologies to set up Local Area Networks today. It operates by using Carrier Sense Multiple Access Detection (CSMA/CD) to control media access. (Study CCNA, 2016) The structure of an Ethernet Frame is as follows: The Ethernet Frame Structure (Anon., 2013) Explanation: • Preamble: This field is responsible for harmonizing bits…

What is cloud computing? Cloud computing is a comprehensive service to provide computing power. Storage units and online services from service providers to simplify installation, saving time administrator, reduce the cost of building computer systems and networks themselves. It has both a free service and save money. Moreover, is that we use the software, systems, and computer resources of the provider. Through the internet choose processing power. Select Resources the on-demand applications and…

monitor to make sure the surgery is going smoothly, and to make any required adjustments if needed. In theory, the distance between the controls and robot is unlimited [2]. That’s why in 2001 with 151 million dollars of funding to achieve necessary bandwidth and transmission delay, Dr. Jacques Marescaux completed the first transcontinental surgery from New York to a patient in Strasburg, France. The 4,000 mile surgery also known as “Operation Lindbergh” was a successful gallbladder removal…

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1). Based on our discussion of various types of malicious attacks (Chapter 11), which two or three of them do you consider to be the most significant threat against government and political organizations, and why? Which threats may not be as great of a risk for those organizations, and why? Malicious attacks tend to forcefully take advantage of or abuse some other ’innocent’ person’s computer with the intention of stealing the individual 's information or tamper with the functionality of the…

fading than single carrier systems because it splits the overall channel into multiple narrowband signals that are affected individually as flat fading sub-channels. 2.Resilience to interference: Interference appearing on a channel may be bandwidth limited and in this way will not affect all the sub-channels. This means that not all the data is lost. 3.Spectrum efficiency: Using close-spaced overlapping sub-carriers, a significant OFDM advantage is that it uses spectrum…

The Kinect V2 is composed of a time-of-flight continues-wave camera with a resolution of 512*424 pixels (width*height), an RGB camera with a resolution of 1920*1080 pixels (width*height), an array of 4 microphones and some electronics for signal elaboration. The camera is able to acquire images at a maximum frequency of 30 Hz. Sending out invisible structures pulses into the scene whilst measuring the individual traveling time of each point in the pulse (See figure 3.1, page 16). The operating…

Spectrophotometry is a method in which organic and inorganic substances are identified or characterized by the use of electromagnetic radiation. Electromagnetic radiation not only includes light (or photons), but thermal energy as well. While the electromagnetic spectrum consists of wavelengths between gamma radiation and the Far IR, most spectrophotometric methods rely on the UV and visible region. In order to use spectrophotometric methods, the sample being analyzed must be able to absorb the…

As the progress of technological innovation marches on, it brings a new layer of complications to the labor relations process. More than ever, the challenge of balancing employee privacy with employer interests presents immense difficulties, especially with regards to social media. The two cases examined in the following pages form a framework for a cursory investigation of workplace privacy and an employer’s interest and legal rights to restrict the digital activities of their employees. In the…

The first cell phone was created 43 years ago, and within those years humans have become lazier and more dependent on their cell phones. People of all ages are starting to use cell phones more than ever and are becoming dependent on it, which is making us lazier. Younger people are so attached to their cell phone they more likely to disrupt and cancel physical activity for it. They are also starting to use their phone when they should be learning or socializing. This is becoming a social problem…