EBK DATABASE CONCEPTS
EBK DATABASE CONCEPTS
7th Edition
ISBN: 9780133777840
Author: AUER
Publisher: VST
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Chapter 8, Problem 8.3RQ
Program Plan Intro

BI (Business Intelligence) systems:

  • An information system that are used in assisting managers and other professionals in analyzing the current activities, past activities and even also in predicting the future activities or events of business process is called as Business Intelligence system.
  • Business Intelligence is mainly used in making better decision in processing business Information.
  • They are also called as Data-Driven decision support system.
  • Any raw source of data that are present is being converted in the form of reports, such that the reports can be used in for the analysis and prediction.

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4. Use this information to answer Question 4-8: Consider a step pn junction made of GaAs at T = 300 K. At zero bias, only 20% of the total depletion region width is in the p-side. The built-in potential o₂ = 1.20 V. Determine the acceptor density in the p-side in unit of cm³. Answers within 5% error will be considered correct. Enter answer here 5. Determine the donor density in the n-side in unit of cm³ Answers within 5% error will be considered correct. Enter answer here 6. Determine the depletion region width, z, in the n-side in unit of μm. Answers within 5% error will be considered correct. Enter answer here 7. Determine the depletion region width, xp, in the p-side in unit of μm. Answers within 5% error will be considered correct. Enter answer here 8. Determine maximum electric field in unit of V/cm. Answers within 5% error will be considered correct. Enter answer here
1. Use this information to answer Question 1-3: Consider a step pn junction made of silicon. The p- and n-sides are doped such that Ec - EF = 0.21 eV on the n-side and EF – Ey = 0.18 eV on the p-side. The pn junction is under zero bias and kept at T = 300 K. Find the doping density in the n-side in unit of cm -3. Answers within 5% error will be considered correct. Enter answer here 2. Find the doping density in the p-side in unit of cm -3 Answers within 5% error will be considered correct. Enter answer here 3. Find the built-in potential in unit of V. Answers within 5% error will be considered correct. Enter answer here
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