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 by
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How to maintain and optimize Microsoft® Windows Vista® operating system February 23‚ 2011 IT/286 University of Phoenix Table of Contents Basic System Checks ……………………………………………………………………………………. 3 Hard drive state ………………………………………………………………………………… 3 Temporary files ………………………………………………………………………………… 5 Fragmentation ………………………………………………………………………………….. 6 Windows Updates ………………………………………………………………………………………... 8 Windows Firewall ………………………………………………………………………………………. 10 Anti-Virus/Anti-Malware
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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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Server Program A server position in the restaurant industry is responsible for a major portion of the customer service‚ communication‚ and hospitality within a business. The tasks that a job incumbent would perform in this position would help communicate one of these four messages to every guest; “I’m glad you are here‚” “We have what you want when you want it‚” “You get what you want when you want it‚” and lastly “We want you back again.” These messages must be delivered to every guest with
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B. transaction-processing system. C. executive support system. D. decision support system. 5) Development and support services for a firms’ business systems are provided by: A. IT management services. B. IT educational services. C. IT standards services. D. Application software services. 6) The use of digital technology and the Internet to execute the major business processes in the enterprise is called: A. e-business. B. enterprise applications. C. e-commerce. D. MIS. 7) A virtual company:
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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
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Documents Stack Welcome to Mac OS X Lion. The Dock in Lion includes Stacks‚ which you can use to quickly access frequently used files. Stacks are simple to create. Just drag any folder to the right side of the Dock and it becomes a stack. Click a stack and it springs from the Dock in either a fan or a grid. To open a file in a stack‚ click the file once. Mac OS X Lion includes two premade stacks called Documents and Downloads. You opened this file from the Documents stack. The Documents stack
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(K.J.S.I.E.I.T SION MUMBAI) Operating System CHAPTER 1 CHAPTER 2 CHAPTER 3 CHAPTER 4 CHAPTER 5 CHAPTER 6 CHAPTER 7 CHAPTER 8 CHAPTER 9 CHAPTER 10 CHAPTER 11 CHAPTER 12 CHAPTER 13 CHAPTER 14 CHAPTER 15 SYSTEM SOFTWARE FUNDAMENTAL OF OPERATING SYSTEM PROCESS MANAGEMENT THREAD MANAGEMENT CONCURRENCY CONTROL DEADLOCK MEMORY MANAGEMENT VIRTUAL MEMORY I/O HARDWARE I/O SOFTWARE SECONDARY STORADE MANAGEMENT FILE SYSTEMS PROTECTION SECURITY LINUX SYSTEM CHAPTER 1 SYSTEM SOFTWARE Unit Structure 1.0
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Explain the purpose of an operating system Process Management A multitasking operating system may give the appearance that a lot of processes are running concurrently/simultaneously‚ this is not true as only one process can be executing at any one time on a single-core CPU‚ unless on a multi-core or similar technology. Processes are often called tasks in embedded operating systems. The function of the task or process is something that takes up time‚ as opposed to memory‚ which is ’something that
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Connection resources (www.microsoft.com/faculty) Operating Systems Microsoft Curriculum Resources 1.0 Windows Operating System Internals Curriculum Resource Kit (CRK) (Faculty Resource Center) The Windows Operating Systems Internals Curriculum Resource Kit (CRK) explains operating systems (OS) concepts based on the Microsoft Windows XP and Windows Server 2003 operating system family‚ structured following the ACM/IEEE Operating System Body of Knowledge (BOK) as defined in the Computing Curriculum
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