COMPILER DESIGN

INTRODUCTION TO COMPILER DESIGN

OVERVIEW OF COMPILERS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
With V (greater than 1) vertices, how many edges at most can a Directed Acyclic Graph possess?
A
(V*(V-1))/2
B
(V*(V+1))/2
C
(V+1)C2
D
(V-1)C2
Explanation: 

Detailed explanation-1: -3. With V(greater than 1) vertices, how many edges at most can a Directed Acyclic Graph possess? Explanation: The first edge would have an outgoing degree of atmost V-1, the next edge would have V-2 and so on, hence V-1 + V-2…. +1 equals (V*(V-1))/2.

Detailed explanation-2: -Each circle is known as a “vertex” and each line is known as an “edge.” “Directed” means that each edge has a defined direction, so each edge necessarily represents a single directional flow from one vertex to another.

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