Stacks in Data Structures MCQ question and answer with solution

A. push it on to the stack

B. throw an error

C. ignore the parentheses

D. pop the stack

A. 19

B. 21

C. -4

D. 25

A. True

B. False

A. Operand is pushed on to the stack

B. If the precedence of operator is higher, pop two operands and evaluate

C. If the precedence of operator is lower, pop two operands and evaluate

D. The result is pushed on to the operand stack

A. True

B. False

A. 10

B. 4

C. 17

D. 14

A. {[()]}

B. ([ )]

C. {( )}

D. { [ ] }

A. True

B. False

A. one

B. two

C. three

D. four

A. 6

B. 8

C. 9

D. 7