MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATA STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Assume an algebric expression E is represented using the binary tree
A
the variable in E forms external nodes and operators in internal nodes
B
the operators in E forms external nodes and variables in internal nodes
C
the variable and operations in E forms internal nodes
D
the variable and operations in E forms external nodes
Explanation: 

Detailed explanation-1: -Solve an Algebraic Equation To solve it, simply use multiplication, division, addition, and subtraction when necessary to isolate the variable and solve for “x". Here’s how you do it: 4x + 16 = 25-3x = 4x = 25-16-3x.

Detailed explanation-2: -The nodes from the original tree are internal nodes and the special nodes are external nodes. All external nodes are leaf nodes and the internal nodes are non-leaf nodes. Every internal node has exactly two children and every external node is a leaf. It displays the result which is a complete binary tree.

Detailed explanation-3: -The expression tree is a tree used to represent the various expressions. The tree data structure is used to represent the expressional statements. In this tree, the internal node always denotes the operators. The leaf nodes always denote the operands.

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