(1)In a graph, the sum of the degrees of all vertices is equal to () times the number of edges of the graph. A.1/2 B.1 C.2 D.4
(1)In a graph, the sum of the degrees of all vertices is equal to () times the number of edges of the graph. A.1/2 B.1 C.2 D.4
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
Related questions
Question
(1)In a graph, the sum of the degrees of all vertices is equal to () times the number of edges of the graph.
A.1/2 B.1 C.2 D.4
(2) In a directed graph, the sum of the in degrees of all vertices is equal to () times the sum of the out degrees of all vertices.
A.1/2 B.1 C.2 D.4
(3) A directed graph with n vertices can have at most () edges.
A.n B.n(n-1) C.n(n+1) D.n2
(4) When a connected graph with n vertices is represented by an adjacent distance matrix, the distance matrix has at least () nonzero elements.
A.n B.2(n-1) C.n/2 D.n2
(5) G is a disconnected undirected graph with 28 edges, then the graph has at least () vertices.
A.7 B.8 C.9 D.10
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education