List some of the most used File Processing functions in C?

List some of the most used File Processing functions in C?
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Ans: Most used file processing functions in C are-
 fopen()-used to open a file and set the file pointer to the beginning or end of a File.
 fclose()-used to close an active File.
 getc()-used to read a character in a File.
 putc()-used to write a character to a File.
 putw()-used to write an integer data to a File.
 fscanf()-used to read data from a File.
 fprintf()-used to write data to a File.
 rewind()-used to move the file pointer to the beginning of a File.
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Last Answer : (C) {0.1, 0.5, 0.4, 0.2, 0.2}

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Last Answer : (D) {0.1, 0.5, 0.2, 0.1, 0.8}

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Description : Let f and g be the functions from the set of integers to the set integers defined by f(x) = 2x + 3 and g(x) = 3x + 2 Then the composition of f and g and g and f is given as (A) 6x + 7, 6x + 11 (B) 6x + 11, 6x + 7 (C) 5x + 5, 5x + 5 (D) None of the above

Last Answer : (A) 6x + 7, 6x + 11 Explanation: fog(x)=f(g(x))=f(3x+2)=2(3x+2)+3=6x+7 gof(x)=g(f(x))=g(2x+3)=3(2x+3)+2=6x+11

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Last Answer : Answer: A,B,C,D

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Last Answer : (D) θ(f(n) + g(n)) = max(f(n), g(n))

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Last Answer : All member functions of the class granted friendship have unrestricted access to the members of the class granting the friendship. 

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Last Answer : (C) Reliability

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Last Answer : (C) Friend functions are members of a class.

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Last Answer : Translation, Rotation, Panning and Zooming

If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n≤m, the expected number of collisions involving a particular key x is less than ................... (1) 1 (2) 1/n (3) 1/m (4) n/m

Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n≤m, the expected number of collisions involving a particular key x is less than ................... (1) 1 (2) 1/n (3) 1/m (4) n/m

Last Answer : Answer: 1

Which one of the following is correct for overloaded functions in C++? (1) Compiler sets up a separate function for every definition of function. (2) Compiler does not set up a separate function for every definition of function. (3) Overloaded functions cannot handle different types of objects. (4) Overloaded functions cannot have same number of arguments.

Description : Which one of the following is correct for overloaded functions in C++? (1) Compiler sets up a separate function for every definition of function. (2) Compiler does not set up a ... functions cannot handle different types of objects. (4) Overloaded functions cannot have same number of arguments.

Last Answer : Answer: 1