Why does division and multiplication by 2 use the shift operator rather than division operator?

While looking at the code in C for division/multiplication by 2, it is found that shift operator is used rather than division operator. What is the advantage of using shift over division operator?

Why does division and multiplication by 2 use the shift operator rather than division operator?

While looking at the code in C for division/multiplication by 2, it is found that shift operator is used rather than division operator. What is the advantage of using shift over division operator?

Which if statement requires less computation?

I have

Which if statement requires less computation?

I have

Which if statement requires less computation?

I have

Which if statement requires less computation?

I have

Which if statement requires less computation?

I have

Which if statement requires less computation?

I have

Maths needed to understand theory behind Haskell’s type system?

Recently, I’ve become deeply interested in Haskell.

Maths needed to understand theory behind Haskell’s type system?

Recently, I’ve become deeply interested in Haskell.