How to create Yes/No Field in Service Portal Widget code ServiceNow

<label class="ng-binding" for="Laptop"  style="padding: 0px 0px 0px 0px">Do you want laptop</label>
 <select class="form-control heightselect dropDownWidth" style="border: 1px solid #F5F2F7;background-color: #F5F2F7 !important; border-radius: 17px !important;" ng-model="laptop" id="checklaptop" placeholder="" ng-change="c.checklapi()">
<option value="">Select</option>																																		   <option value="Yes">Yes</option>
 <option value="No" selected>No</option>
   </select>