Question 1 of 25
Hints left: 3
Q1
Which standard library function is used to clear the standard input buffer in C?
Q2
What is the purpose of the 'tolower' function in C?
Q3
What is the return value of the 'getchar' function in C?
Q4
What is the purpose of the 'atoi' function in C?
Q5
What is the purpose of the 'abs' function in C?
Q6
Which function is used to generate a random number in C?
Q7
Which library should be included to use the 'sqrt' function in C?
Q8
What does the 'strcmp' function in C do?
Q9
Which library should be included to use the 'pow' function in C?
Q10
What is the return value of the 'rand' function in C?
Q11
What is the purpose of the 'strcpy' function in C?
Q12
Which function is used to close a file in C?
Q13
What does the 'fgets' function in C do?
Q14
Which library should be included to use the 'sin' function in C?
Q15
What is the purpose of the 'toupper' function in C?
Q16
What does the 'strcat' function in C do?
Q17
What is the purpose of the 'scanf' function in C?
Q18
Which standard library function is used to find the largest integer less than or equal to a given floating-point number in C?
Q19
Which function is used to open a file in C?
Q20
Which function is used to find the square root of a number in C?
Q21
Which function is used to find the smallest integer greater than or equal to a given floating-point number in C?
Q22
Which function is used to convert a string to an integer in C?
Q23
What does the 'strcpy' function in C do?
Q24
What does the 'getch' function in C do?
Q25
Which library should be included to use the 'sin' function in C?