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Problem:
(a) What is the main advantage to using a data file?
(b) What is meant by opening a data file? How is this accomplished? Illustrate your answer clearly with a suitable example.
(c) Write a simple C program that will allow a user to type in a sentence in lowercase and which will store the same as uppercase in a data file. Here the data file must be created in the same program.
(d) Write a simple C program that will now access the data file created in part(c) above and which will read the sentence typed.
(e) Differentiate between the ‘Object-Oriented' programming concept and ‘structural programming'.
(f) What is the difference between an object and a class in OO programming?
(g) Suppose you need to write an Object-Oriented program for maintaining the student records at the university.
What data should be stored inside the object representing the students?
To what messages should the object be able to respond?
What are the other objects that might be used in the OO program?
Problem: (a) A GUI can contain text-fields, buttons, and other labels. A button usually triggers an event on the GUI. Explain the different processes in registering an event
C program to demonstrate Pointer to string: void main() { int a; char str[]="hello how are you?",*ptr_str; ptr_str=&
Define Four Facilities Provided by C Language Preprocessor? The C language preprocessor provides four separate facilities that you can use as you see fit: Inclusion
write a program that would accept the radius of the sphere and return its surface area.
Write a 3-4 page paper (350 words per page) in APA format detailing the development and use of C++ in academia and in industry. Explain the pros and cons of C++ as a programming la
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
Program is to read the contents of a file: void main() { ifstream fin("ascii.txt"); char ch; while(! fin.eof()) { fin>>ch; cout }
Semaphore is used to synchronize processes. whereas mutex is used to give synchronization among threads running in the similar process.
Define Virtual Destructor?
Overloading a method (or function) in C++ is the ability for functions of the similar name to be defined as long as these methods have dissimilar signatures (different set of param
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