Database Systems: Design, Implementation, & Management
Database Systems: Design, Implementation, & Management
13th Edition
ISBN: 9781337627900
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 2, Problem 8RQ
Program Plan Intro

Object Oriented Data Model (OODM):

An Object Oriented Data Model is used in logical database design and accessing of database. It includes three different types of relationships namely, aggregation, generalization and particularization and four types of operations namely, database creation, object expansion, retrieving of objects and schema

Class:

  • A class is a collection of data members and member functions, which are used to represent the overall structure of the project.
  • The objects are created to access the data members and member functions of the class.
  • The process of creating a new class from the existing class is called as inheritance. Here, the existing class is named as super class and the newly created class is named as sub class.

Object:

  • The variable for this defined class is called the object.
  • It is also called as instance of a class.
  • It is a unit of code which is derived from the processes.
  • It is an instance of the class which has its own procedures for the execution.

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8.4 Self-Bias Configuration 20. Determine Zi. Zo. and A,, for the network of Fig. 8.73 if gf, = 3000 μS and gos = 50 μs. 21. Determine Z, Zo, and A, for the network of Fig. 8.73 if the 20-uF capacitor is removed and the parameters of the network are the same as in Problem 20. Compare results with those of Problem 20. +12 V 3.3 ΚΩ HE C₂ Vo Z Zo C₁ 10 ΜΩ Z₁ 1.1 ΚΩ Cs 20 µF FIG. 8.73 Problems 20, 21, 22, and 59.
21. Determine Zi, Zo, and A, for the network of Fig. 8.73 if the 20-μF capacitor is removed and the parameters of the network are the same as in Problem 20. Compare results with those of Problem 20. +12 V 3.3 ΚΩ +6 C₂ C₁ Z₁ 10 ΜΩ 1.1 ΚΩ Cs 20 μF FIG. 8.73 Zo
Ninth Edition Determine Zi, Zo and Av 20 V Zi + 1 ΜΩ 2 ΚΩ HH Z IDSS= 6MA Vp=-6V Yos = 40μS 20 and 47
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