Is Paperless worksheet effective ?

Many schools have the policy of paperless worksheet. Is it effective for students.

Teachers feel difficulty when they avoid paper worksheets.

Now teacher are not using / preparing worksheet because of following reasons.

1. They can't use worksheet in classroom.

2. Many parents do not have familiarity with internet and portals.

3. There will not be printers.

4. Most of the worksheets are not able to copy from screen when teachers display in a classroom.

We used to prepare the worksheets for various reasons. 

They can be engaging, interactive, creative, hands-on, fun, and useful tools for classroom teachers.