store the membership details. The array contained 100 of these records. This created a limitation to our program but could be easily modified to any bigger value which we want. In both reports a FOR loop was used since the maximum number of members is known. In task 3 question ‘a’‚ a REPEAT / UNTIL loop was used since the program had to repeatedly check the members one by one until a true
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THE PARADOXES OF TIME TRAVEL David Lewis T travel‚ I maintain‚ is possible. The paradoxes of time travel are oddities‚ not impossibilities. They prove only this much‚ which few would have doubted: that a possible world where time travel took place would be a most strange world‚ different in fundamental ways from the world we think is ours. I shall be concerned here with the sort of time travel that is recounted in science fiction. Not all science fiction writers are clear-headed‚ to be sure
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correct: {n > 0} count = n; sum = 0; P: {n>0 and count = n and sum = 0} while count 0 do sum = sum + count; count = count 1; end Q: {sum = 1 + 2 +… + n} Please note that you need to do this question in the following steps: a) Find a candidate loop invariant I. Show the induction steps using which you find I. Σn k=1 k - Σn k=1k = 0 c)Show {I and B} S {I} P: {sum + count = n + (n-1) +…. + (count+1) + count} => I: {sum = n + (n-1) +…. + (count+1)} sum = sum + count; Q: {sum = n + (n-1)
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are connected together and make a loop called a circuit. Current will only flow through a component if there is a voltage across that component. Voltage is the driving force that pushes the current round. Parallel Circuit In a parallel circuit you can add more components without the need for more voltage. In a parallel circuit a failure of one component does not lead to the failure of the complete circuit‚ this is because a parallel circuit has more than on loop and all have to fail in more than
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20 78 22 90 25 90 19 90 15 73 10 50 5 22 3 10 0 10 1.4. Thực hiện theo các yêu cầu sau: a. Draw a block diagram of an open-loop control system. b. Use the block diagram to describe how the system works. c. What basic requirements must the components meet for this system to work? d. What is the advantage of this system over a closed-loop system? 1.5. The controlled variable in a closed-loop system is a robot arm. Initially‚ it is at 45°; then it is commanded to go to 30°. Describe what happens in
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all cases the power is transmitted in the form of three-phase alternating current at 50cycles/sec‚ and the cost of an overhead line depends largely on conductor size and voltage [Cheesman‚ 2007]. Figure 1: General layout of electricity networks (Diagram taken from: http://en.wikipedia.org) Structure of distribution grids The structure or "topology" of a grid can vary considerably. The physical layout is often forced by what land is available and its geology. The logical topology can vary
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ABSTRACT Ultrasonic range finder using 8051 A simple ultrasonic range finder using 8051 microcontroller is presented in this project. This ultrasonic rangefinder can measure distances up to 2.5 meters at an accuracy of 1 centi meter. AT89s51 microcontroller and the ultrasonic transducer module HC-SR04 forms the basis of this circuit. The ultrasonic module sends a signal to the object‚ then picks up its echo and outputs a wave form whose time period is proportional to the distance. The microcontroller
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Problem called the Loop case. After doing so many of his colleagues considered the Loop case to be an absolute counter to the Doctrine of Double Effect. In Whitley R. P. Kaufman’s paper‚ “The Doctrine of Double Effect and the Trolley Problem”‚ Kaufman tries to argue against this widely accepted view by a variety of different means throughout the paper. These means range from viewing the Loop case’s unclear determination as a virtue to considering the case to be too complex or “…the Loop case should be
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Computer Aided Process Engineering (CAPE) which was depended on programs for dynamic simulation of process plants and were very precious for “carbon capture and storage (CCS) technologies” (Martin et al.‚ 2011). FIGURE 2.2 Oxyfuel process block diagram From the figure above‚ Linde Engineering had designed the technical resolution for CCS with oxyfuel process to heat the coal with oxygen in the atmosphere which that oxygen was made from “air separation unit (ASU)”. Later‚ the flue
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[pic] AP® Physics C 2002 Free response Questions The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them‚ in whole or in part‚ in limited quantities‚ for face-to-face teaching purposes but may not mass distribute the materials‚ electronically or otherwise. These materials and any copies made of them
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