Notes & Lesson Check 4.3 Atoms are composed of protons‚ neutrons‚ and electrons Protons and Neutrons make up the nucleus Electrons surround the nucleus Number of neutrons = (protons & neutrons) mass number – atomic number #26 – 28 are key points 26. What distinguishes the atoms of one element form the atoms of another? Elements are different because they contain different numbers of protons. 27. How do the isotopes of a given element differ from one another? Isotopes of an element
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Chapter 1 Exercise What is free software? List three characteristics of free software. Free software is code that is available for free to everyone‚ but it is also free in the sense that it can be used and altered freely to the user’s desires. It is free to be studied‚ redistributed‚ and modified. Why is Linux popular? Why is it popular in academia?Due to the operating system’s distribution among universities‚ students were able to become used to it’s sophisticated developing environment which
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Date:________________ I. Read the questions carefully and encircle the best answer. (No erasures.) 1. Which characteristics are part of TCP? (Choose two) a. Reliable c. No flow control b. Connectionless d. Resends anything not received 2. End system use port numbers to select the proper application what is the lowest port number that can be dynamically assigned by the host system? a. 1 b. 128 b. 256 d. 1024 3. During data transfer‚ what is the receiving host responsible for?
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______________________________ ______________________________ ______________________________ Week 1 Lab Goals: 1. Choose your lab group. 2. Learn about lab safety. **IMPORTANT – All students are expected to wear a lab coat and goggles in lab at ALL times. As well‚ you are not permitted to wear shorts or open-toed shoes. If you are not dressed appropriately for lab‚ your TA will dismiss you. You are permitted to return to lab with proper attire and equipment‚ but the rules for
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Program 1: Write a program to input a string and then display it in Upper Case and also print the frequency of any character from the string. import java.io.*; import java.util.*; class StrCount { public static void main(String args[])throws IOException { Scanner in=new Scanner(System.in); System.out.println("Enter a string:"); String n=in.nextLine(); String n1=n.toUpperCase(); System.out.println("The string in upper case:"); System.out.println(n1); char ch=’T’; int k=0; System.out
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Raman Amplifier Introduction Basic Raman Concept High Power Raman Fiber Lasers Raman Fiber Amplifier Combining EDFA and Raman Amplifier Conclusion January 8‚ 2008 Y. Lin: Raman Amplifier 1 Introduction Raman Amplifier was demonstrated in the 1980s Unavailability of high-power diode laser pump source Why do you need it : amplify signals from 1270 to 1670 nm any optical fiber can serve as the amplifying medium Raman process itself provides high-power laser Disadvantage:
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PRESENTATION SKILLS: Ten Ways to Improve Your Presentation Skills Written by Matthew Harrington Published on September 8‚ 2011 http://newdirectionsconsulting.com/4650/blog/blog-ten-ways-to-improve-your-presentation-skills-2/ It’s no secret that while almost every job has some kind of speaking or presenting component to it‚ a majority of Americans hate doing it. Whether it’s the traditional presentation or making those god-awful cold calls‚ our job demands us to stretch outside our comfort zone
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Johnathan Heathcock NT1230 Monday 6-10:45 Unit 6 Problem Set/ Exercise/ Case Scenario 1. Remote Desktop is based on former Terminal Services. 2. System image backup saves data to a DVD file. 3. Branch Cache conserves WAN bandwidth. 4. Distributed cache mode files cached on each client. 5. Volume shadow copies are previous versions. 6. Incremental backup are files changed since the last backup job. 7. Windows RE is accessible from Windows 7 installation disk. 8. Hosted cache mode is files cached on
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CHAPTER 7 Q1) What does the shell ordinarily do while a command is executing? What should you do if you do not want to wait for a command to finish before running another command? A1) The shell goes to “sleep” until the command has been processed. You can run a program in the background‚ which will allow you to run more than one at a time. Q3) What is a PID number? Why are these numbers useful when you run process in the background? Which utility displays the PID numbers of the commands
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Binary Exercise 1.1.1 Create a mapping similar to figure 1-1 for the decimal number 2931 using either paper and pencil or a word document. Exercise 1.1.2 Create a mapping similar to figure 1-2 for the binary number 110 using either paper and pencil or a word document. Exercise1.1.3 Create a mapping similar to figure 1-3 for the binary number 11 using either paper and pencil or a word document. Exercise 1.1.4 Create an expanded mapping similar to figure 1-3 for the
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