Answer Posted / Sunil Gond
In this context, there seems to be a misunderstanding as C does not use categories. In other programming languages like Objective-C, categories are used to add methods to existing classes without subclassing.
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Sir,please help me out with the code of this question. Write an interactive C program that will encode or decode multiple lines of text. Store the encoded text within a data file, so that it can be retrieved and decoded at any time. The program should include the following features: (a) Enter text from the keyboard, encode the text and store the encoded text in a data file. (b) Retrieve the encoded text and display it in its encoded form. (c) Retrieve the encoded text, decode it and then display the decoded text. (d) End the computation. Test the program using several lines of text of your choice.
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Write a program to maintain student’s record. Record should
not be available to any unauthorized user. There are three
(3) categories of users. Each user has its own type. It
depends upon user’s type that which kind of operations user
can perform. Their types and options are mentioned below:
1. Admin
(Search Record [by Reg. No or Name], View All Records,
Insert New Record, Modify Existing Record)
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When first time program runs, it asks to create accounts.
Each user type has only 1 account (which means that there
can be maximum 3 accounts). In account creation, following
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Password: <6-10 alphabets long, should not display
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Confirm Password:
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