The best choice for representing a set of tasks to be done, some of which depend on other tasks being completed first, would be O a tree O an undirected graph O a directed graph O a DAG O a cycle O a complete graph

The best choice for representing a set of tasks to be done, some of which depend on other tasks being completed first, would be O a tree O an undirected graph O a directed graph O a DAG O a cycle O a complete graph

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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Concept explainers

Eight puzzle problem

The N-puzzle problem contains N tiles (N+1 including empty tiles) where the value of N can be 8, 15, 24, etc. The puzzle is divided into the square root of (N+1) rows and the square root of (N+1) columns. These problems have an initial state or configuration and a goal state or configuration. The puzzle can be solved by shifting the tiles one by one in the empty space. The objective is to place the numbers on the tiles to match the final state using the empty space. The other name for the N-puzzle problem is the sliding puzzle.

Question

The best choice for representing a set of tasks to be done, some of which depend on other tasks
being completed first, would be
a tree
an undirected graph
a directed graph
O a DAG
O a cycle
O a complete graph

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