Answer Posted / s.s.venkatesh

the main() is a predefined function because we can't change
the name of the function or characterstics of the function.

If the function is user defined means we can change the
name of the function as we wish.

So,the main() is a predefined function.

How the c program is executed?

1193

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What is class and object in c?

1172

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Can you pass an entire structure to functions?

1172

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How can you tell whether two strings are the same?

1306

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why arguments can generally be passed to functions a) sending the values of the arguments b) sending the addresses of the arguments c) a & b d) none of the above

1188

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What is the default value of local and global variables in c?

1097

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What are types of preprocessor in c?

1112

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in iso what are the common technological language?

2160

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Explain the difference between null pointer and void pointer.

1128

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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) 2. Super Admin (Search Record [by Reg. No or Name], View All Records, Insert New Record, Modify Existing Record, Delete Single Record) 3. Guest (Search Record [by Reg. No or Name], View All Records) 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 options are required: Login Name: <6-10 alphabets long, should be unique> Password: <6-10 alphabets long, should not display characters when user type> Confirm Password: Account Type: Login Name, Password and Account Type should be stored in a separate file in encrypted form. (Encryption means that actual information should be changed and Decryption means that Encrypted information is changed back to the actual information) If any of the above mentioned requirement(s) does not meet then point out mistake and ask user to specify information again. When Program is launched with already created accounts, it will ask for user name and password to authenticate. On successful authentication, give options according to the user’s type.

2043

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Explain what is a pragma?

1088

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What does the message "automatic aggregate intialization is an ansi feature" mean?

1241

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Can a pointer be null?

1077

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What are register variables? What are the advantage of using register variables?

1226

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What is array in c with example?

1353

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