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C Programming - Expressions

@ : Home > C Programming > Expressions > General Questions

Exercise

"To err is human; to forgive, divine."
- Alexander Pope
1. 

Which of the following is the correct order of evaluation for the below expression?
z = x + y * z / 4 % 2 - 1

A. * / % + - =B. = * / % + -
C. / * % - + =D. * % / - + =

2. 

Which of the following correctly shows the hierarchy of arithmetic operations in C?

A. / + * -B. * - / +
C. + - / *D. / * + -

3. 

Which of the following is the correct usage of conditional operators used in C?

A. a>b ? c=30 : c=40;B. a>b ? c=30;
C. max = a>b ? a>c?a:c:b>c?b:cD. return (a>b)?(a:b)

4. 

Which of the following is the correct order if calling functions in the below code?
a = f1(23, 14) * f2(12/4) + f3();

A. f1, f2, f3
B. f3, f2, f1
C. Order may vary from compiler to compiler
D. None of above

5. 

Which of the following are unary operators in C?
1. !
2. sizeof
3. ~
4. &&

A. 1, 2B. 1, 3
C. 2, 4D. 1, 2, 3




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