How is unformatted I/O different from formatted I/0 ? Explain
Unformatted I/O and formatted I/O are two approaches to input and output operations in C++. They differ in how data is processed during input and output operations.
Unformatted I/O:
Unformatted I/O involves reading or writing raw data without any specific format. It deals with individual characters or binary data and doesn't interpret the content. The primary unformatted I/O functions are `get()`, `put()`, `read()`, and `write()`. These functions treat data as a sequence
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Write an interactive C++ program which reads two integer numbers x and y, and an operator. It then performs the following operations :
(i) x + y
(ii) x — y
(iii) x * y
(iv) x / y
If any other operator is entered, the program prints out an error message.
New and Delete Operator
What is stream manipulator?Explain use of setw()and Setprecision()as stream manipulator.
Write a C++ program for finding the difference between two times that are given in 24 hour format. So "19:00:00" — "3:30:00" = 15:30:00, while "09:00:00" — "13:30:00" = "19:30:00".
Diff. b/w object oriented programming approach and structured programming approach. Also explain which approach of programming is better in these two approaches and why?
What is Inheritance? What is different type of inheritance? Explain how constructor is used in inheritance with the help of c++ program.