Exams & Certification
The demand curve facing a perfectly competitive firm is:Select correct option: A The same as its average revenue curve but not the same as its marginal revenue curve.B The same as its average revenue curve and its marginal revenue curve.C The same as its marginal revenue curve but not its average revenue curve.D Not the […]
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Which of the following firms is most likely to be a natural monopoly?Municipal Power Light, the local supplier of electricity.A pharmaceutical company that has the exclusive right to sell a patented drug.A restaurant that is unable to practice price discrimination and must charge all consumers the same price.A firm that owns nearly all of the
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A Natural Monopoly is most likely to exist when:Select correct option: A There are large barriersto entry.B There are long term patents.C There are large economies of scale.D There is government regulation of the industry. E There is government regulation of the industry The correct answer and explanation is : The correct answer is C:
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Ammonium hydroxide is a weak base because A) it is a dilute solution. B) it is only slightly soluble in water. C) it cannot hold on to its hydroxide ions. D) it dissociates only slightly in water. E) it is completely ionized in aqueous solution. The correct answer and explanation is : The correct answer
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Which of the following is correctly identified? A) NH3, strong acid B) NaOH, strong base C) HCl, weak acid D) H2CO3, strong acid E) Ca(OH)2, weak base The correct answer and explanation is : The correct answer is B) NaOH, strong base. Explanation: In summary:
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Which of the following data models enables us to arrange data files in the tree structure? A. Network model B. Relational model C. Hierarchical model D. None of the above The correct answer and explanation is : The correct answer is C. Hierarchical model. Explanation: The Hierarchical Data Model is designed to organize data in
Which of the following is not a data structure? A. Record B. Table C. File D. Field The correct answer and explanation is : The correct answer is D. Field. Explanation: In computer science, data structures are specialized formats for organizing, processing, and storing data. They enable efficient access and modification of data, which is
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Which of the following options is not a utility system? A. Virus scanner B. System profiler C. Disk defragmenter D. Debugger The correct answer and explanation is : The correct answer is D. Debugger. Explanation: Utility systems are programs designed to perform specific maintenance tasks or manage the functioning of the computer system, often related
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Which of the following is the weakest acid? A) HF (Ka for HF is 7.2 × 10-4) B) HCN (Ka for HCN is 4.9 × 10-10) C) HCNO (Ka for HCNO is 2 × 10-4) D) H3BO3 (Ka for H3BO3 is 5.4 × 10-10) The correct answer and explanation is : The strength of an
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Which of these cranial nerves contains preganglionic parasympathetic fibers? A. Optic, CNI B. Facial, CN VII C. Trigeminal, CN V D. Hypoglossal, CN XII The correct answer and explanation is : The correct answer is: B. Facial, CN VII Explanation: The cranial nerves that contain preganglionic parasympathetic fibers are part of the autonomic nervous system,
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