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Frequently Asked C interview questions and answers for freshers Page 32

(#M40030323) C QUESTION C Keep an EYE

What are built in functions?

Asked In C MAN (11 years ago)

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(#M40030321) C QUESTION C Keep an EYE

What is preincrement and post increment?

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(#M40029388) C QUESTION C Keep an EYE

Question - What is JVM?
Answer - The Java interpreter along with the runtime environment required to run the Java application in called as Java virtual machine(JVM)

Asked In C MAN (12 years ago)

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(#M40029387) C QUESTION C Keep an EYE

Question. What is a file?
Answer. A file is a region of storage in hard disks or in auxiliary storage devices.It contains bytes of information .It is not a data type

Asked In C MAN (12 years ago)

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(#M40029385) C QUESTION C Keep an EYE

Question. What is FILE?
Answer. FILE is a predefined data type. It is defined in stdio.h file.

Asked In C MAN (12 years ago)

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(#M40029384) C QUESTION C Keep an EYE

Question. What are the facilities provided by preprocessor?
Answer. file inclusion
substitution facility
conditional compilation

Asked In C MAN (12 years ago)

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(#M40029379) C QUESTION C Keep an EYE

Q. What is a function?

A. A large program is subdivided into a number of smaller programs or subprograms. Each subprogram specifies one or more actions to be performed for the larger program. Such sub programs are called functions.

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(#M40029378) C QUESTION C Keep an EYE

Q. What is dynamic memory allocation?

A. A dynamic memory allocation uses functions such as malloc() or calloc() to get memory dynamically. If these functions are used to get memory dynamically and the values returned by these function are assigned to pointer variables, such a way of allocating memory at run time is known as dynamic memory allocation

Asked In C MAN (12 years ago)

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(#M40029377) C QUESTION C Keep an EYE

Q. What is static memory allocation?

A. Compiler allocates memory space for a declared variable. By using the address of operator, the reserved address is obtained and this address is assigned to a pointer variable. This way of assigning pointer value to a pointer variable at compilation time is known as static memory allocation.

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(#M40029376) C QUESTION C Keep an EYE

Q. Are pointers integer?

A. No, pointers are not integers. A pointer is an address. It is a positive number.

Asked In C MAN (12 years ago)

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