Which of the following best describes a balanced tree? O a. A balanced tree has half of the leaves at one level and half the leaves at another level. O b. A balanced tree has all of the leaves within one level of each other. O C. A balanced tree has no leaves at exactly the same level. O d. A balanced trees has all leaves at exactly the same level. O e. none of these correctly describe a balanced tree

Which of the following best describes a balanced tree? O a. A balanced tree has half of the leaves at one level and half the leaves at another level. O b. A balanced tree has all of the leaves within one level of each other. O C. A balanced tree has no leaves at exactly the same level. O d. A balanced trees has all leaves at exactly the same level. O e. none of these correctly describe a balanced tree

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Quadratic Root Solver For a general quadratic equation y = ax? + bx + c, the roots can be classified into three categories depending upon the value of the discriminant which is given by b2 - 4ac First, if the discriminant is equal to 0, there is only one real root. Then, if the discriminant is a positive value, there are two roots which are real and unequal. The roots can be computed as follows: -b+ Vb? – 4ac 2a Further, if the discriminant is a negative value, then there are two imaginary roots. In this case, the roots are given by b ь? - 4ас 2a 2a Programming tasks: A text file, coeff.txt has the following information: coeff.txt 3 4 4 4 1 4 Each line represents the values of a, b and c, for a quadratic equation. Write a program that read these coefficient values, calculate the roots of each quadratic equation, and display the results. Your program should perform the following tasks: • Check if the file is successfully opened before reading • Use loop to read the file from main…
f the domain consists of all integer numbers, then the truth value of ∃x(x2 = -1) is:
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7. a) Write down the 5 by 5 adjacency matrix for the undirected graph below (Figure 1). A B C D Figure 1: Undirected Graph for Question 7. (a) b) Write a program that asks user to enter number of vertices in an undirected graph and then the adjacency matrix representing the undirected graph. The program, then, must display whether the given graph is connected or not. You will find two sample runs of the program below. Sample 1 Sample 2 Enter number of vertices: 3 Enter number of vertices: 3 Enter adjacency matrix: 0 1 1 10 0 1 0 0 Enter adjacency matrix: 0 1 0 1 0 0 0 0 0 The graph is connected. The graph is not connected.
6. Symbolize the following statement in P (be sure to include your translation key). 'Every forest is full of trees.'