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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?
What do you mean by a sequential access file? - When writing programs which store and retrieve data in a file, it's possible to designate that file into various forms. - A s
minimum shelf
use of header files
Derived Data Type: Array is derived data type to store large collection of data of only one data type. int mark[100]; char names[25]; Function: will be discussed early
Explain multi dimensional array with example.
What are the benefits of using friend classes? - Friend classes are useful when a class wants to hide features from users which are required only by another, tightly coupled cl
Structures A structure is a user-defined data type, which may have different data types as its members. Creating a structure is a two-part process. First, a structure template
At a shop of marbles, packs of marbles are prepared. Packets are named A, B, C, D, E …….. All packets are kept in a VERTICAL SHELF in random order. Any numbers of packets with thes
Write a C function to solve the system of linear equations A x = y where A is an N by N matrix in the format of pointer-to-pointers and y is a vector in the format of a pointer. Th
In this problem you are given a board in which some of the elements are placed as shown in diagram below. Each element represents a color. Fill the other elements in the board, suc
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