Stacks Questions

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61.

Process of Removing element from the stack is called as __________.

A

Push

B

Pop

C

Create

D

Postfix Expression

Correct Answer: B

None.

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62.

In the stack, If user try to remove element from the empty stack then it called as ___________.

A

Empty Collection

B

Underflow of Stack

C

Garbage Collection

D

Overflow of Stack

Correct Answer: B

None.

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63.

User push 1 element in the stack having already five elements and having stack size as 5 then stack becomes ___________.

A

Overflow

B

Underflow

C

User Flow

D

Crash

Correct Answer: A

None.

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64.

User perform following operations on stack of size 5 then -push(1);pop();push(2);push(3);pop();push(4);pop();pop();push(5);at the end of last operation, total number of elements present in the stack are -

A

3

B

4

C

2

D

1

Correct Answer: D

None.

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65.

Consider Stack is implemented using the array. What will be the initial value with which top is initialized.

B

-1

C

Garbage

D

1

Correct Answer: B

None.

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66.

Consider Stack is implemented using the array. In this implementation of stack maximum value of top which cannot cause overflow will _________.

A

10

B

9

C

11

D

Any Other

Correct Answer: B

None.

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67.

User perform following operations on stack of size 5 then -push(1);pop();push(2);push(3);pop();push(2);pop();pop();push(4);pop();pop();push(5);Which of the following is correct statement for stack ?

A

Stack Operations will be performed Smoothly

B

Underflow Occures

C

Overflow Occures

D

None of these

Correct Answer: B

None.

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68.

What will be the postfix expression for following infix expression:b * c + d / e

A

b*cde/+

B

bcd*e/+

C

bc*de/+

D

bc*de+/

Correct Answer: C

None.

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69.

What will be the postfix expression for following infix expression - A / B ^ C - D

A

A B / ^ C D -

B

A B ^ / C D -

C

A B C ^ / D -

D

A B C / ^ D -

Correct Answer: C

None.

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70.

What will be the postfix expression for following infix expression - A + B * C ^ D

A

ABCD*+^

B

ABC+D*^

C

ABCD+*^

D

ABCD^*+

Correct Answer: D

None.

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