OSI Layers 1) Physical Layer: The physical layer is at the bottom of this model. It deals with crude data that is in the form of electrical signals. The data bits are sent as 0s and 1s. 0s correspond to low voltage signals and 1s correspond to high voltage signals. The mechanical aspects of communication‚ such as wires or connectors come under this layer. The physical layer also deals with how these wires‚ connectors‚ and voltage electrical signals work. Also‚ the process that is required for
Free OSI model Internet Protocol Suite
There are three basic layers of a blood vessel: tunica interna‚ tunica media‚ and tunica externa. The inner lining of a blood vessel that comes into direct contact with blood is the tunica inerna. In this layer blood flows through the blood vessel in a tube that forms‚ this tube is called the lumen. There are three layers of the tunica interna: the innermost layer is called endothelium‚ the next layer is called the basement membrane which provides support for the epithelial layer which is made from
Premium Blood Heart Blood vessel
On December 21st‚ 1968 Apollo 8 launched off of the surface of the Earth. It was the second mission in the United States Apollo space program involving human spaceflight. Three brave men departed the planet on the spacecraft‚ Lunar Module Pilot William Anders‚ Command Module Pilot James Lovell‚ and Commander Frank Borman. These brave astronauts made history in several ways; they became the first human beings to be launched out of low Earth orbit‚ they were the first humans too see the entire Earth
Premium Apollo 11 Moon Apollo program
EXPERIMENT 15 Thin-Layer Chromatographic Analysis of Drug Components Experiment Objective: To identify the components of an analgesic drug tablet and then correctly identify the tablet from a group of others with acquired data. Experiment Summary: In this experiment‚ we use TLC to identify components of an unknown analgesic drug. We prepare a solution of the drug by dissolving part of a tablet in 1:1 ethanol/dichloromethane‚ then spotting a TLC plate with the solution along
Premium Aspirin Ibuprofen Paracetamol
In the short stories‚ "Apollo" by Ngozi Adichie and "By Any Other Name" by Santha Rama Rau‚ the authors portray the idea that identity can create a sense of belonging. In the short story "Apollo" A young boy feels distant from his family because he isn’t interested in the same things they are. When another young boy comes to work in the house he discovers they share a passion for Kung Fu. The author‚ Okenwa‚ says "I was twelve years old and had‚ until then‚ never felt that I recognized myself in
Premium English-language films Fiction Short story
Apollo 13 Formations of group dynamics are important to achieving a set of goals set forth by a group of individuals. Groups tend to follow a natural course of cohesion and function. Research has been done to understand group dynamics and one of the most widely accepted models is that of Bruce Tuckman. His research shows groups follow a set path of Forming‚ Storming‚ Norming and Performing. Apollo 13 gives several examples of Tuckman’s model. In the following‚ we will touch briefly on the
Premium Apollo 11 Group dynamics Apollo 13
Cleaning up after the Apollo Sea Introduction The species Spheniscus demersus‚ more commonly known as South African penguins‚ also called Jackass penguins‚ have fallen victim to the negligence of oil carriers. The population of South African penguins has decreased from 3 million to less than 150‚000 in the past century (Singer 2000). The cause of this unfortunate decrease in population are the many oil spills near southern Africa‚ with the first oil spill occurring in 1948 (Whittington 1999).
Premium Petroleum Africa South Africa
Ron Howard’s re-creation of the happenings aboard NASA’s Apollo 13 flight combined some of the biggest talent in Hollywood to produce a masterful film. Apollo 13 takes us back in time‚ to the late 1960’s and early 70’s‚ when America’s NASA space program was thriving and the world stood aside to see who would reach the moon first. The impacts of space program are still evident to this day. It is even said that by beating the Russians to the moon‚ we established ourselves are the top power in the
Premium NASA Apollo 13 Apollo 11
and here she goes sashaying off to a picnic in pink linen. Done quit attending church‚ like she used to. Gone off to Sanford in a car with Tea Cake and her all dressed in blue! It was a shame. Done took to high heel slippers and a ten dollar hat! Looking like some young girl‚ always in blue because Tea Cake told her to wear it” (Hurston 105). Before Tea Cake‚ all the men were making moves on her and all the women were encouraging her to find a man. However‚ as soon as she goes off with this new man
Premium Woman Marriage Husband
University of Phoenix December 10‚ 2012 Introduction Letter / Apollo Shoes From: Phoenix & Company PLLC (Certified Public Accountants) To : The Board of Director of Apollo Shores First I would like to thank the board of director of Apollo Shores for their recent inquiry about Phoenix & Company’s services. Since our firm is small‚ we offer a wide range of personalized services to clients at a reasonable cost. Phoenix & Company is a CPA firm with more the 25 years in the
Premium University of Phoenix Management Student