Classical

Data Structures - Stacks

1:   The data structure required to evaluate a postfix expression is
A. Queue
B. Stack
C. rray
D. linked-list
 
 

Option: B

Explanation :


2:   The postfix form of the expression
(A+B)∗(C∗D-E)∗F/G is
A. AB+CD ∗ E−FG/∗∗
B. AB+CD ∗ E−F∗∗G/
C. AB+CD ∗ E−∗F∗G/
D. AB+CDE∗ −∗F∗G/
 
 

Option: A

Explanation :


3:   What is the postfix form of the following prefix expression -A/B*C$DE
A. ABCDE$*/-
B. A-BCDE$*/-
C. ABC$ED*/-
D. A-BCDE$*/
 
 

Option: A

Explanation :


4:   The data structure required to check whether an expression contains balanced parenthesis is
A. Stack
B. Queue
C. Tree
D. Array
 
 

Option: A

Explanation :


5:   The postfix form of A*B+C/D is
A. *AB/CD+
B. AB*CD/+
C. A*BC+/D
D. ABCD+/ *
 
 

Option: B

Explanation :




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Syllabus covered in this section is-

  • Abstract data types
  • Algorithms
  • Stacks, Queues
  • Linked Lists
  • Trees, Binary search trees
  • Binary heaps

This Section covers Data Structures Questions Answers using C language .
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