If you are given a base class with a pure virtual function, what happens if an o

Question

If you are given a base class with a pure virtual function, what happens if an object of the base class is declared What happens if an object of a derived class is declared ? State an example of a statement opening a file for sequential access Describe the structure of a random-access file and and the structure of a sequential access file BE SPECIFIC.. in a sequential-access file, what is the default position to begin reading or writing a) the beginning b) the end c) There is no default d) It depends on the type of data THIS LINKED LIST BELOW HAS 2 NODES. WRITE THE STATEMENTS TO INSERT A THIRD NODE AFTER THE SECOND NODE CALL THE NEW NODE third. AND ASSIGN VALUE 13.0. Put your answer at the right below tins line._ Struct ListNode {double value ListNode 'next); Int main() (ListNode 'head; head =* new ListNode head>value = 12.5; head>next = NULL; ListNode * secondPtr = new ListNode. secondptr - >value = 13.5; secondPtr rightarrow next = NULL; head>next = secondPtr;

Explanation / Answer

26 a) Comilation will fail. as There can' be any entry in VTable for this instance.

b) Object of drevided class can be declared without any issue.

27. fopen("file", "r");

29 . Default is begining of the file.

30.

ListNode *third = new ListNode;

third->value = 13.0;

third->next = NULL;

secondPtr->next = third;

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