Multiple Choices 1. Which of the following is true about 1 bit? C. Represents one binary digit 2. Which of the following terms means approximately 106 bytes? B. Megabytes 3. Which answer lists the correct number of bits associated with each term? C. 64 bits per quadruple word 4. Which of the following are true about random-access memory (RAM) as it is normally used inside a personal computer? A.Used for short term memory E. Is installed on the motherboard 5. This chapter describes the
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CHAPTER 1 INFORMATION TECHNOLOGY1.0 Introduction Information technology (IT) is the design‚ development‚ implementation‚ support‚ and management of computer hardware and software applications. An IT professional is knowledgeable about computer systems and operating systems. This chapter will review IT certifications and the components of a basic personal computer system.After completing this chapter‚ you will meet these objectives: * Explain IT industry certifications. * Describe a computer system
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1 The resources that should be maintained carefully are a. Mainframes: memory and CPU resources‚ storage‚ network bandwidth. b. Workstations: memory and CPU resources c. Handheld computers: power consumption‚ memory resources. 2 A network computer totally depends on a centralized computer for most of its services which it performs. A network computer can therefore have a minimum use of operating system to manage its resources. But a personal computer has to be capable of providing all of the required
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Chapter 6 Switched Wired Networks 1) Baseband transmission dominates in LANs because it is ________ than broadband transmission. A) faster B) less expensive C) Both A and B D) Neither A nor B Answer: B 2) Using link aggregation with two or three trunk lines ________ going to a single faster Ethernet port. A) is less expensive than B) is just as fast as C) Both A and B D) Neither A nor B Answer: A 3) The 802.3 100BASETX standard is defined at the ________ layer. A) physical
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Xavier Crabtree NT1210 Lab 1.1: Reading 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. 10^3 | 10^2 | 10^1 | 10^0 | 1000 | 100 | 10 | 1 | 2 | 9 | 3 | 1 | x | x | x | = 2931 = 2931 x | 2000 + | 900 + | 30 + | 1 | Exercise 1.1.2 Create a mapping similar to Figure 1-2 for the binary number 110 base 2 using either paper and pencil or a Word document. 110 = 1x4 + 1x2 + 0x1 110 =6 Exercise 1.1
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Roman Katoliko NT1210 CHAPTER 3: Building TCP/IP Networks Lab 3.1: Network Reference Models Ex 3.1.1 What would happen if wireless devices were not governed by the Wi-Fi Alliance and each vendor had its own standards and protocol? What impact would this have on your personal life or business communications? If each vendor had their own standards and protocols‚ we would have a harder time making devices that we use every day to inter-operate. Imagine buying specific BRAND of ROUTER for
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Chapter 1 Review 6. In what ways do communication skills act as a career filter? 7. Do business professionals think that college graduates today are well prepared for the communication and writing tasks in the workplace? 8. What are softskills? 9. Will the time and money spent on your college education and writing training most likely pay off? 10. List seven trends in the workplace that affect business communicators. Be prepared to discuss how they might affect you in your future career. 11. List
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Lesson Page 1 of 5 It may seem that there’s a lot to memorize in this chapter. But having defined terms yourself‚ you’re more likely to remember and understand them. The key is to practice using these new terms and to be organized. Do the following exercises‚ then read Assessing What You’ve Learned for tips on staying organized. Whether you’ve been keeping a good list or not‚ go back now through each lesson in the chapter and double-check that you’ve completed each definition and that you
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Vance Campbell NT1210 – Intro to Networking Lab 3.1 to 3.4 3.1 1. Why would a three-layer model of communication that has the layers physical‚ network‚ and application be insufficient to adequately describe network communication? A. Because there is no transport or application layer. 2. What is the history of the OSI reference model? How did it come about and why was it created? Use your textbook and Internet research to support your answer. A. It was created to standardize the way
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5.2.6 Step 1: When a source device wants to communicate with another device‚ source device checks its Address Resolution Protocol (ARP) cache to find it already has a resolved MAC Address of the designation device. If it is there‚ it will use that MAC Address for communication. To view your Local ARP cache‚ Open Command Prompt and type command “arp-a” Step 2: If ARP resolution is not there in local cache‚ the source machine will generate an ARP request message‚ it puts its own data link layer address
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