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 the transmission latency (the time it takes for data to pass across the network)‚ and to increase robustness of communication
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Contents Executive Summary………………………………………………………………Page 2 Introduction……………………………………………………………………….Page 3 Concept and Size of Electronic Payment…………………………………………Page 5 Modes of Payment in Electronic Payment system in E- commerce……..……......Page 6 Online Credit Card Payment System…………………………………………Page 7 Process of using Credit Card……………………………………………………..Page 8 Steps involved in the online transaction…………………………………………..Page 9 Credit Card Transaction Security………………………………………………....Page 11 Terms related
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SOFTWARE ENGINEERING Slide set 1 11 CS-Sec I & II Engr. Maria Shaikh Shaikh.maria@rocketmail.com Course Structure and Contact Info Schedule 4 Classes (Theory) Exams 2/26/2014 2 Sessional Tests Presentation Assignment Final Exams Engr. Maria Shaikh 2 Relevant Literature + Lecture Foils Sommerville I.‚ "Software Engineering"‚ 8th Edition or Latest‚ Pearson Education. Pressman R.S.‚ "Software Practitioner’s Approach”‚ 7th McGraw-Hill Inc.
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deferral of hardware replacement decision. Answer the following questions on hardware deferral What is the probability of postponing hardware purchase for a year? Hint (a year has 12 months or four 3-month periods). 3 Points Probability of postponed purchase (A) for 3 months P(A) = .6 Probability of making purchase (B) P(A) = 1-P(A) .4 Probability of not making a hardware purchase for 1 year P(A)4 .1296 Hardware Cost Saving if postponed by a year 30% 1 Point What is the average
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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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Software crisis is a term used in the early days of software engineering. The term was used to describe the impact of rapid increases in computer power and the complexity of the problems which could be tackled. This was with regards to the difficulty in writing correct‚ understandable and verifiable_ computer programs_. VERIFIABLE:-With regards to hardware and software systems‚ a formal verification is the act of proving or disproving the correctness of intended algorithms underlying a system
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Software Crisis Software crisis was a term used in the early days of computing science. The term was used to describe the impact of rapid increases in computer power and the complexity of the problems which could be tackled. In essence‚ it refers to the difficulty of writing correct‚ understandable‚ and verifiable computer programs. The roots of the software crisis are complexity‚ expectations‚ and change. The major cause of the software crisis is that the machines have become several orders
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manages eBay.com which an online auction and a shopping website. It was founded by Pierre Omidyar in September1995. eBay’s major competitors are Amazon.com‚ Yahoo Auctions‚ and uBid. We‚ the case analysts‚ analyzed what are the situations of the company internally and externally. We used Competitive Profile Matrix‚ SWOT Analysis‚ and we compared eBay.com to Amazon.com (closest competitor) using their financial ratios . We recommended three alternative solutions to cope up the problems that eBay
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In my opinion dating sites on the internet is kind of a big risk to take. Like the “safe” dating sites even state it on the site that they may be false identities roaming around and surely lurking around on your photos. I believe that the biggest harm and risk on the dating sites that have users with false identities may be that there is a small chance of a group of pedophiles on the site. It can be large harm to the younger people that are searching for a relationship and they end up with chatting
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platform called Wal-Mart Global ecommerce‚ which is designed to connect customers worldwide with the broadest possible range of products. The executives expect the online operation will produce at least a 20% return on invested capital. Analysis: In order to sustain a competitive advantage‚ any fit between a firm’s internal strengths and the external environment must be dynamic. As the customer base shifts toward online shopping‚ Wal-Mart decided to reshape its ecommerce strategy and to go social
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