Computer systems now a days are everywhere. We can find that in places we cannot see or would not expect to find them. This gadget are no longer specialized tools used only by scientists or engineers like before. They are not kept behind sealed-glass walls under a climate-controlled environments anymore. They are a fact of life that companies cannot live without and even individuals like us. It is a common thread that ties together our education‚ work‚ and home life. Thus‚ computer literacy becomes
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Chapter 1 BASIC ELEMENTS At a top level‚ a computer consists of processor‚ memory‚ and I/O components‚ with one or more modules of each type. These components are interconnected in some fashion to achieve the main function of the computer‚ which is to execute programs. Thus‚ there are four main structural elements: • Processor: Controls the operation of the computer and performs its data processing functions. When there is only one processor‚ it is often referred to as the central processing unit
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Installing/Upgrading an Operating System Installing/upgrading an operating system or OS‚ is a rather simple procedure; however‚ any mistakes can have a profound effect on the computer’s ability to operate. Typically‚ most users do not have to deal with their computer’s OS as pre-built computers will have the OS already installed and rarely find the need or opportunity to upgrade it. There are a few circumstances that require a fresh install or upgrade for the OS such as installing newer computer components
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Introduction about Linux Linux is an operating system that was initially created as a hobby by a young student‚ Linus Torvalds‚ at the University of Helsinki in Finland. Linus had an interest in Minix‚ a small UNIX system‚ and decided to develop a system that exceeded the Minix standards. He began his work in 1991 when he released version 0.02 and worked steadily until 1994 when version 1.0 of the Linux Kernel was released. Linux is developed and released under the GNU General Public License and
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In many parts of any businesses around the globe‚ there is usually a computer that is involved in making their job processes run much easier. Most of the time‚ businesses that are serious in making their jobs easier‚ usually select computers that will run under Microsoft operating systems. A big part of businesses today use Microsoft as their primary operating system for their computers due to its reliability‚ customizability‚ and its broad use from other businesses. As a Chief Information Officer
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Explain what network operating system you would suggest. After fulfilling all the requirements of hardware‚ we need to choose and install a network operating system (Network Operating System‚ NOS)‚ which manage and coordinate all network operations. The services to be undertaken by this network operating system are: • Support for files so they will‚ create‚ share‚ store and retrieve files‚ essential activities that NOS specializes providing a quick and safe. • Communications: All that is sent
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Task 2 TDT1 Task 2 - Graphics Elizabeth A. Klipa - Western Governor’s University 000399006 – Paul Moss - Mentor January 10‚ 2015 1 TDT1 Task 2 Purpose The purpose of this essay is to detail the steps taken to create the graphics required for TDT1 task 2. The first graphic is a picture taken of one of my 6th grade students and her completed set design project entitled: Land of Oz. This picture was taken by a student using their iPad and saved to
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Chapter-1: Exercise Solution 1.1 In a multiprogramming and time-sharing environment‚ several users share the system simultaneously. This situation can result in various security problems. a. What are two such problems? b. Can we ensure the same degree of security in a time-shared machine as in a dedicated machine? Explain your answer. Answer: a. Stealing or copying one’s programs or data; using system resources (CPU‚ memory‚ disk space‚ peripherals) without proper accounting. b. Probably not‚ since any
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Process | Arrival Time | Burst time | Priority | P1 | 0 | 3 | 3 | P2 | 1 | 6 | 1 | P3 | 3 | 9 | 3 | P4 | 6 | 1 | 2 | P5 | 10 | 6 | 4 | P6 | 15 | 7 | 2 | For Shortest-Job-First without preemption: (ignore the priority column‚ given above‚ for this one‚ priority is used in the non-preemptive priority algorithm) Check the arrival times. P1 arrives at time = 0‚ and its burst time is time = 3‚ so P1 will complete its execution at time = 3‚ because it starts at time = 0 and its burst time
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Information Technology | Unit number + Title | 2. Computer Systems | Assignment number + Title: | 1. Decoding the Jargon | Assessment Criteria: | P1 P2 M1 | Purpose / Aims (learning outcomes) | LO1 Understand the components of computer systemsP1 Explain the function of computer hardware componentsP2 Explain the purpose of operating systemsM1 Compare the features and functions of different operating systems | Introduction (Scenario) | You have been approached
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