C Programming Functions Quiz

What does the abs() function return?

• The absolute value of a number

• The square of a number

• The cube of a number

• The negative value of a number

Which header file is needed for math functions?

• string.h

• include.h

• math.h

• Mathematics.h

What does the ceil() function do?

• Rounds a number up

• Returns the square root

• Returns the absolute value

• Rounds a number down

What type of value does the floor() function return?

• Double

• Integer

• Character

• String

What does the sqrt() function calculate?

• Square of a number

• Square root of a number

• Cube of a number

• Cube root of a number

What does the pow() function do?

• Calculates the square root

• Calculates the power of a number

• Calculates the absolute value

• Calculates the logarithm

What does the log() function calculate?

• Absolute value

• Square root

• Natural logarithm

• Power of a number

What does the cos() function return?

• Sine of an angle

• Cosine of an angle

• Tangent of an angle

• Square root of an angle

What does the strlen() function do?

• Reverses a string

• Concatenates two strings

• Copies a string

• Counts characters in a string

What does the strcmp() function compare?

• Two strings

• Two integers

• Two arrays

• Two characters