Both can be used interchangeably

Scanf is delimited by end of line, while gets is not

Scanf is delimited by blank, while gets is not

All of above

2¹⁶-1

2¹⁵-1

2¹⁶

None of these

1

2

3

0

transfer the contents of s to b

transfer the content of b to s

exchange (swap) the contents of s and b

negate the contents of s and b

2¹⁶ - 1

2¹⁵- 1

2¹⁶

2¹⁵