True or False A directed graph (or digraph, for short) consists of V and E where

Question

True or False A directed graph (or digraph, for short) consists of V and E where V is a set of objects called vertices. An individual element of V, called a vertex, is typically pictured as a dot or a circle labeled with the name of the vertex. E is a set of directed edges and is a subset of V times V. True or False The in-degree of a vertex v V is the number of edges pointing into it. True or False The internet is a digraph True or False A Path is a walk that doesn't repeat a vertex. True or False Transitive closure of digraph G could be called a reachable graph. True or False A vertex c is a neighbor of vertex b if and only if {b, c} is an edge. True or False The degree of a vertex is the number of neighbors it has. True or False The total degree of a graph is the product of the degrees of all of the vertices. True or False Free tree is missing a root, and can have cycles. True or False Let T be a tree and let u and v be two vertices in T. There is exactly one path between u and v. True or False A game tree shows all possible playing strategies of both players in a game. True or False A tree traversal processes the information stored in the vertices by systematically visiting each vertex. True or False An algorithm is a step-by-step method for solving a problem. A description of an algorithm specifies the input to the problem, the output to the problem, and the sequence of steps to be followed to obtain the output from the input. A recipe is an example of an algorithm in which the ingredients are the input and the final dish is the output. True or False The choice of algorithm can have a uber dramatic effect on how efficiently the solution is obtained. The amount of a particular resource used by an algorithm is referred to as the algorithm's computational complexity. True or False Big-Oh usally refer to time, but it can also refer to space. The fastest is Big-Oh is_____ whose common name is _______ Factorial, Polynomial, Exponential Using the first letter of the name, list in ascending order the complexity. For example, if you think they are already in order, you would write FPE. The Big-Oh of x^2 + 45x is It's common name is _____ 5 nanoseconds is ____ 7 megabytes is _____ 75.4 gigahertz is ____

Explanation / Answer

53. True

54. True

73. 5 nano second is 5e-9 seconds

74. 7 megabytes is 7e+6 bytes

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