23. If a stack contained the entries 128, 90, 56, 341 (from top to bottom), what would be at the top of the stack after the statement push(106) is executed?
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23. If a stack contained the entries 128, 90, 56, 341 (from top to bottom), what would be at the top of the
stack after the statement push(106) is executed?
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- if a stack contained the entries 128, 90, 56, 341 (from top to bottom), what would be at the top of the stack after the statement push(106) is executed?If the elements “A”, “B”, “C” and “D” are placed in a stack and are removed one at a time, in what order will they be removed?Machine organization The following operations are performed on a stack: PUSH A, PUSH B, POP, PUSH C, POP,POP,PUSH D, PUSH E, POP, PUSH F. What does the stack contain after each operation?
- 54. What is the difference between the top and pop operations of a stack? Group of answer choices The top operation removes the top item of the stack. The pop operation returns a reference to the top item on the stack and remove it. The top operation removes the top item of the stack. The pop operation returns a reference to the top item on the stack without removing it. The pop operation removes the top item of the stack. The top operation returns a reference to the top item on the stack without removing it. The pop and top operations are doing the same thing which removes the top item of the stack. The pop operation removes the top item of the stack. The top operation returns a reference to the top item on the stack and remove it.Assume that stack and queue are MyStack and MyQueue objects, respectively. WhT are the contents of stack and queue after the execution of the following code fragment.In the following code, assume myStack is a stack that holds integers. What would be the contents of the stack after the following operations, indicating what element is currently at the top and the bottom of the stack. myStack.push(1);myStack.push(2);myStack.push(3);myStack.pop();myStack.push(4);myStack.push(5);myStack.pop(); Group of answer choices 4 <- Top21 <- Bottom 5 <- Top31 <- Bottom 4 <- Top32 <- Bottom 5 <- Top21 <- Bottom
- 1. a) Using the stack diagram, convert the following infix expression to a postfix expression. A* (B – C + D) – E / F b) Referring to question 1 (a), give the value of postfix expression by using the stack concept if provided: A=2, B=3, C=8, D=10, E=10 and F=2Determine how the stack behaves when it is permitted to operate on its own.Suppose the following operations were performed on an empty stack:pus h(8);pus h(?);pop();push (19);pus h(21);pop();Insert numbers in the following diagram to show what will be stored in the staticstack after the operations have executed
- Machine organization question The following operations are performed on a stack :PUSH A, PUSH B, POP, PUSH C, POP,POP,PUSH D, PUSH E, POP, PUSH F.What does the stack contain after each operation?Suppose that stack is an object of type stackType<string> and six elements are pushed in an initially empty stack.a. What is the value of stack.top?b. What is the index of the last element pushed in stack?c. Write the statement that outputs the top element of stack.d. Write the statement that adds "StacksAndQueues" to stack.A stack is very useful in situations when data have to be stored and then retrieved in the —- order. A) same B) reverse C) ascending D) descending