CS 3133 Foundations of Computer Science C term 2014 Solutions of the Sample Problems for the Midterm Exam 1. Give a regular expression that represents the set of strings over Σ = {a‚ b} that contain the substring ab and the substring ba. Solution: a+ b+ a(a ∪ b)∗ ∪ b+ a+ b(a ∪ b)∗ (20 points) 2. Consider the following grammar G: S → SAB|λ A → aA|a B → bB|λ (a) Give a leftmost derivation of abbaab. (b) Build the derivation tree for the derivation in part (1). (c) What is L(G)? Solution:
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with the idea of vertical farming. The idea of vertical farming is continually growing. According to Wikipedia online‚ the encyclopedic definition of vertical farming is a form of farming done in urban area high rises that utilize greenhouse growing methods and recycled resources year-round to grow crops. Using these Vertical Farms will allow the populations of the future to rely more on themselves and not depend on others so much. There are many beneficial advantages to vertical farming. (Wikipedia)
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What are the benefits of regular exercise? The benefits of regular exercise are a controversial topic. While some exercise for superficial reasons‚ the reality is regular exercise is vital. Some of the benefits are: a healthy heart‚ lower risk of brain stroke‚ and reduce the obesity rate in our country. Daily exercise decreases the risk of having a premature heart attack. For instance‚ one who exercises routinely often lowers his or her heart rate. In addition‚ the blood pressure and cholesterol
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How is Zara organized with respect to its vertical integration and outsourcing decisions? What governance structure does it appear to follow? Support your conclusions with reference to details of the Zara and the Ferdows reading. Zara manufactures and distributes its products in small batches. Zara is vertically integrated as the company manages all design‚ warehousing‚ distribution and logistic functions. Zara outsources sewing of garments to an outside supplier. Zara controls the product it
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if even more time gets tacked onto the school day the staff and students will be very fatigued. Most people think the school day is long enough as it is‚ so even with the hours of school today there is hardly any time for students or staff to get home to their family. Again‚ The school board members must rethink the idea of adding even more time onto the school day.
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differentiation” which would involve considerable financial investment in research‚ innovation‚ and marketing to sustainably maintain a distinct product in the market (Daniela‚ 2014‚ p. 526). Also‚ the use sea water would enable Baltimore Spring Water to affect vertical integration by eliminating the supplier which may reduce cost as well as improve
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growth spurt. The study conducted by S. A. Butterfield‚ et al. sought to examine individuals during the ‘adolescent awkwardness’ ages in running speed and vertical jump three times throughout the school year starting in September‚ January‚ and ending in May. The conductors of the study also strived to find if differences in running and vertical jump growth rates are associated with children’s age‚ sex‚ height‚ and weight. A total of 76 healthy children (45 boys and 31 girls) ranging from prekindergarten
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Martin Thomas English composition 2 12-2-10 Essay A Regular Day of School Around six o’clock in the morning my alarm goes off. I wake up‚ take a shower‚ brush my teeth‚ and use the next half an hour packing my bag for the long day ahead. I usually bring two bags to school‚ one for my books in class‚ and another for after school because I usually have football practice at the end of my day. Seven o’clock I hear two loud beeps outside my house‚ and on time is my girlfriend Natasha. She was always
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In modern life‚ more people realize that regular exercise on people’s lives have numerous benefits.Regular exercise is a scientific exercise methods that people according to their physical condition according to certain rules of physical exercise.This essay will explain that regular physical exercise essential part of the school curriculum.It brings huge benefits both of body and soul. First‚ regular physical exercise is good for the body recognized by everyone.It can help you increase your body
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Proposed Vertical Farm is made to answer these issues. The Vertical Farm attempts to address several critical issues – first and foremost is feasible and profitable productivity. Each Hectare of farming area in a vertical farm has a higher output of crops than traditional farming. The crop produced must also be salable at reasonable price. Further‚ the Vertical Farm features several sustainable features in its design. First is a closed loop water system that recycles waste water- the Vertical farms
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