to provide high-speed interconnections between computer systems. A 1970 report from the Lawrence Radiation Laboratory detailing the growth of their "Octopus" network gave a good indication of the situation. Cambridge Ring was developed at Cambridge University in 1974[4] but was never developed into a successful commercial product. Ethernet was developed at Xerox PARC in 1973–1975‚ and filed as U.S. Patent 4‚063‚220. In 1976‚ after the system was deployed at PARC‚ Metcalfe and Boggs published a seminal
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Operating systems Joseph N. Cleveland Jr. University of Phoenix Introduction to Operating Systems POS/355 John Vassar June 26‚ 2013 Memory management is an important characteristic of an operating system. Main memory is divided into two parts one for resident programs‚ and the other for the program currently in use. The user part must be subdivided to accommodate multiple processes (Stallings‚ 2012). When a few processes are in the memory then much of the time all
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spooling where the CPU overlaps the input of one job with the computation and of other jobs. ( Prefetching is a method of overlapping the I/O of a job with that job’s own computation. After a read operation completes and the job is about to start operating on the data‚ the input device is instructed to begin the next read immediately. The CPU and input device are then both busy. With luck‚ by the time that the job is ready for the next data item‚ the input device will have finished reading that data
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Week 6 - DQ 1 Do social inequities (for example‚ certain individuals preferred over others for jobs‚ housing financing‚ and so on) based on race still occur? If so‚ what are some examples that you have seen? I have not seen social inequities based on race‚ but I have heard about it still going on. I have heard that the African Americans get more food stamps than white people. I do not know if it is true or not. I know many black people that do not want any financial help‚ and I know plenty
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Determining Operating Systems and Software Applications BIS/320 Amazon has made a business of selling a variety media types while also making the reselling of the same media an attractive option. What better way to regain in part what you spent on media interests than to resell it and have money to put towards the next interest. As of 2004 Amazon began running the Linux operating system across the board. Amazon then became one of the largest and well known companies running the Linux
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Week 1 Checkpoint Write a 200- to 300-word response that answers the following: Based on the article by Nott (2008)‚ what are some business uses for inserting a canvas within a Microsoft® Word® document? From these uses‚ propose a strategy that may help users overcome formatting issues. After reading the article by Nott (2008)‚ I have found the information in the article to be highly informational because I have never been through those activities before inside of Microsoft
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achieving the desired personnel profile is how the second step should be done. There are six approaches in step 2. 1. Job enlargement 2. Job enrichment 3. Job rotation 4. Creating teams 5. Varying working conditions 6. Using technology Each one of these approaches breaks the routine of job descriptions available. Different people have different types of skills. One way to find these skills are to let the employees try different types of jobs. Marketing
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Week 6 Discussion 2 Any organization wishing to maintain a competitive advantage can benefit from big data management and analytical tools. When properly utilized‚ big data can increase efficiency‚ productivity‚ and predict future market conditions (Laudon‚ p. 231). As processors become faster and more affordable‚ big data management will become a necessary component of all organizations. The actual benefit from big data will lie in the ability to analyze and apply the vast amounts of information
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Introduction………………………………………………………………………………….....3 ➢ Overview of Operating System ➢ Components and functions of operating systems………………………….........4-5 ➢ Different versions of Windows…...………………………………………………....6 ➢ Installation of Windows Operating Systems ➢ Procedures to install Windows………………………………………………………7 ➢ Methods of supporting operating systems………………...……………………...8 ➢ Possible concerns when installing and maintaining operating systems………..8 ➢ Troubleshooting
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1. Given that an activity’s normal time and cost are ten days and $400‚ and its crash time and cost are five days and $800‚ what is the activity’s slope? The activity slope is $80 per day. 2. Identify and briefly describe the three types of constraints that can affect how you schedule resources. a.) Technical constraints – these address the sequence in which work activities must be performed. b.) Physical constraints – these occur when there are confined spaces in which the work must be
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