SUDAN UNIVERSITY OF SCIENCE AND TECHNOLOGY COLLEGE OF COMPUTER SCIENCE AND IT Master of computer science 2013 - group(B) ADVANCED NETWORKS COURSE Assignment (1) * Packet switching * Circuit switching * Virtual Circuit switching * Message switching BY: JIHAD MOHAMMED SIDDIG 27/2/2013 Packet switching in networks Packet switching is used to optimize the use of the channel capacity available in digital telecommunication networks such as computer networks‚ to minimize
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Psychology 210 Introduction to Psychology Version 2 8/06/07 PSY 210 PSY 210 Introduction to Psychology Program Council The Academic Program Councils for each college oversee the design and development of all University of Phoenix curricula. Council members include full-time and practitioner faculty members who have extensive experience in this discipline. Teams of full-time and practitioner faculty content experts are assembled under the direction of these Councils to create specific
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information system This software based on user requirements in Egypt . softwares were evaluated based on checklist and through the observation in 8 hospitals according to defined criteria. However‚ Various systems has not efficiently met user expectations in all departments; medical records (74.5%)‚ pharmacy (58.6%)‚ laboratory (74.5%)‚ nursing (23.3%)‚ radiology (51.4%) and financial (65.4%). Minimum user requirements (29%) have been met. There was no software to meet the end users expectations
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Evolution of Software The Early Years (50’s – 60’s) * This generation was characterized by Batch orientation‚ limited distribution‚ and customization of software. * In Batch Processing‚ the system handles an entire sequence of jobs together‚ often with little or no human intervention. * Also‚ as computers were not widely used at that time‚ only in scientific and military institutions‚ software could be highly customized since distribution was limited. Job mobility was low‚ and the
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1.1 Describe how a learning support practitioner may contribute to the planning‚ delivering and review of learning activities. I contribute to planning by giving verbal and written feedback as well as going through children’s books to see how well the children have done on an activity. All the information that is fed back helps the teacher plan things for the next lesson helping them to get the correct pitch. I contribute to delivering the lesson by making sure I have read and understood the lesson
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Define hardware‚ giving examples: Anything which we can see when the computer is off is called hardware‚ some examples could be a scanner‚ a monitor and a printer. 2. Define software‚ giving examples: Anything which we can see on the screen when the computer is on is called software‚ some examples could be Microsoft Excel‚ Microsoft Word‚ and Internet Explorer 3. Describe the difference between hardware and software: The difference is that you can touch hardware unlike the software. Also you
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involves the integration of information flow‚ material handling‚ production‚ packaging‚ inventory‚ transportation‚ warehousing‚ and often security. The complexity of logistics can be modeled‚ analyzed‚ visualized‚ and optimized by dedicated simulation software. The minimization of the use of resources is a common motivation. The Objectives of Logistics Rapid response F-flexibility objective of an organization: Some companies measure this as response time to customer’s order. On an average how much time
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The Software Crisis • The most visible symptoms of the software crisis are o Late delivery‚ over budget o Product does not meet specified requirements o Inadequate documentation • Some observations on the software crisis o “A malady that has carried on this long must be called normal” (Booch‚ p. 8) o Software system requirements are moving targets o There may not be enough good developers around to create all the new software that users need o A significant portion of developers’ time must often
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PHASE 4: REQUIREMENTS ANALYSIS PHASE The Requirements Analysis Phase begins when the previous phase objectives have been achieved. Documentation related to user requirements from the Concept Development Phase and the Planning Phase shall be used as the basis for further user needs analysis and the development of detailed requirements. Multiple-release projects require only one iteration of the Requirements Analysis Phase‚ which should involve requirements definition for all planned releases. 1.0
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1. Can you explain the PDCA cycle and where testing fits in? Software testing is an important part of the software development process. In normal software development there are four important steps‚ also referred to‚ in short‚ as the PDCA (Plan‚ Do‚ Check‚ Act) cycle. Let’s review the four steps in detail. Plan: Define the goal and the plan for achieving that goal. Do/Execute: Depending on the plan strategy decided during the plan stage we do execution accordingly in this phase. Check: Check/Test
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