two important new element in html5

Question

(1)select element

<label >country:</label>
<p>
<select >
<option>argentina</option>
<option>canada</option>
<option>germany</option>
</p>
………………………………………………………
(2) datalist element

<label >mobile:</label>
<p>
<input list="mobile">
<datalist id="mobile">
<option>iphone</option>
<option>htc</option>
<option>samsung</option>
<\datalist>
</p>

Answer 1

<select> element is used to define a drop-down list.

<datalist> element is used to specify a drop-down list of pre-defined option as they input data