C Programming and Technical

What are register variables? What are the advantage of
using register variables?

Read Solution (Total 1)

Register variable are the variable which is declared by using register keyword.
example register int a;
Advantage of using register variables: when we use register variable the register variable are stored in the register but not in the memory.when we access the register variable in the program there access time is less than the other variable like auto,static,extern.
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C Other Question

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

Options
1) * / % + - =
2) = * / % + -
3) / * % - + =
4) * % / - + = What is the use of typedef?