Answer: a) 
(b) 
(c) 
(d) 
Explanation:
The formal description of the given sets are as follows :-
a) The set containing the numbers 5, 9, and 27.
(b) The set that contains all the natural numbers less than 2.
(c) The set containing the empty string.
We know that in formal description, the empty string is denoted with 
.
Thus, the required set :
(d) The set containing nothing at all.
The central processing unit (CPU), also called a processor, is located inside the computer case on the motherboard. Hope it helps (:
Answer:
c. An electronic slide that tries to function as both a presentation visual and a printed document
Explanation:
Slideument combines both text and visual aids to form a document that can be fully understood by readers without the use of speakers when presenting these documents. It is a presentation with information containing visual aids and presented in form of slide deck so that it can be easily understood by readers.
Answer:
class Case //Case class
{
String owner_name,color; //members to store information name and color
Case(String name,String color) //constrictor with two parameters
{
this.owner_name = name; //members initialization
this.color = color;
}
public String getName() //to get name
{
return owner_name;
}
public String getColor() //to get color
{
return color;
}
public String toString()//override string method
{
return "Case Owner: " + owner_name + ", " + "Color: "+ color;
}
}
class Main //test class
{
public static void main(String args[])
{
String na,color;
Case c = new Case("Joy","Green"); //create instance of class Case and set constructor parameters
na = c.getName();
color = c.getColor();
System.out.println(c);//print statement tp print instance of a class
System.out.println(c.toString()); //print with override toString
}
}
Explanation:
