Q. The prefix form of an infix expression p + q – r * t is?

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Q. The result of evaluating the postfix expression 5, 4, 6, +, *, 4, 9, 3, /, +, * is?

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Q. Convert the following infix expressions into its equivalent postfix expressions
(A + B ⋀D)/(E – F)+G

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Q. Convert the following Infix expression to Postfix form using a stack
x + y * z + (p * q + r) * s, Follow usual precedence rule and assume that the expression is legal.

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Q. Which of the following statement(s) about stack data structure is/are NOT correct?

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Q. Consider the following operation performed on a stack of size 5.
Push(1);

Pop();

Push(2);

Push(3);

Pop();

Push(4);

Pop();

Pop();

Push(5);

After the completion of all operation, the number of elements present in stack are

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Q. The type of expression in which operator succeeds its operands is?

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Q. Assume that the operators +,-, X are left associative and ^ is right associative.
The order of precedence (from highest to lowest) is ^, X, +, -. The postfix expression for the infix expression a + b X c – d ^ e ^ f is

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Q. If the elements “A”, “B”, “C” and “D” are placed in a stack and are deleted one at a time, what is the order of removal?

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Q. A linear list of elements in which deletion can be done from one end (front) and insertion can take place only at the other end (rear) is known as a ?

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Q. The data structure required for Breadth First Traversal on a graph is?

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Q. A queue is a ?

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Q. If the elements “A”, “B”, “C” and “D” are placed in a queue and are deleted one at a time, in what order will they be removed?

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Q. A data structure in which elements can be inserted or deleted at/from both the ends but not in the middle is?

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Q. A normal queue, if implemented using an array of size MAX_SIZE, gets full when

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Q. Which of the following real world scenarios would you associate with a stack data structure?

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Q. What does ‘stack underflow’ refer to?

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Q. What is the time complexity of pop() operation when the stack is implemented using an array?

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Q. Which of the following array position will be occupied by a new element being pushed for a stack of size N elements(capacity of stack > N).

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Q. What happens when you pop from an empty stack while implementing using the Stack ADT in Java?

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