Explanation:
A default constructor is a constructor that present in the class by default with no parameters when we write a new constructor with parameters it is called overloaded constructor.There can be different overloaded constructors in the same class.
The main difference between default constructor and overloaded constructor is that the default constructor does't have any parameters while the overloaded constructors have parameters.
Answer: ensuring that a system is not changed by a subject that is not authorized to do so
Explanation: Access control refers to pribcues which are employed in the bid thlo ensure the security of data and information. It provides the ability to authenticate and authorize access to information and data thereby preventing unwarranted access and tampering of the information. Integrity in terms of data security and access control is is concerned with modification to an existing or original data by unauthorized sources. When unauthorized addition or subtraction occurs on a data, the integrity of such data has been compromised. Therefore, authorization is required whenever a source is about to access certain information whereby only those with the right authorization code will be allowed, Inputting an incorrect pass code after a certain number of tries may result in system lock down as access control detects a a possible intrusion
The best/proper way to declare that your page uses the html5 protocol is <DOCTYPE HTML>
<h3>What is HTML?</h3>
It should be noted that HTML5 is a markup language that is used for structuring band presenting content on the world wide web.
In this case, the best/proper way to declare that your page uses the html5 protocol is <DOCTYPE HTML>.
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Answer: (B) An object and a pointer
Explanation:
In the computer science, the linked list is the collection of linear data where each data is basically denoted as node in the linked list. It is basically made up of the data object and a pointer that particular pints to the next node in the linked list data.
The linked list is basically collection of the node that each node are connected with the next node by using the pointer and also represent the sequence in the given linked list.
Examples are open office calculator and Gnumeric