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Int x = 25;
Ing i= 1;
While (i <5)
{x = x-5;
i +=1;
}
What is the value of x after this code executed?
What is the value of i after this CNNode executed?

Give an example of a class and an example of an object. Describe what a class is, what an object is, and how they are related. Use your examples to illustrate the descriptions.


1 For the relations s and r in your study manual of our chapter 2 (i.e., joining two relations), suppose
we type a collection of relational algebra queries, and get the following results.
A B C D E
Implement the class called Panel which contains the class definition specified in the header file Panel.h (see below). Save your implementation file under the name Panel.cpp
Test if a number grade is an A (greater than or equal to 90). If so, print "Great!".
Differentiate between a software and hardware
Write a single (one-line) declaration for each of the following situations:
(i)Num1 and Num2 are single-precision real variables.
(ii) Customer and address are string variables.
(iii) Rate is a name constant whose value is 0.55
(iv) Counter is an integer and Deviation is a double precision variable.
(v) Unknown is a variable that can store any type of data
Write a visual BASIC expression for each of the following algebraic expression
(i) x^3 + y^3
(ii) (4t)^1/6
(iii) z= x/y+3
(iv) f= 2xy/c +1 - t/3(p+q)^1/3
Classify the following as either valid or invalid variable name in visual BASIC:
(i)TaxRate (ii) Matric Number (iii) Dim (iv)$Name (v)House address (vi) Double (vii) student name (viii) singles (ix)1stcourse (x) Number1234

Draw a flowchart to calculate the average of a set of N numbers, where N is an integer to be supplied by the user of the algorithm


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