This obviously depends on the jurisdiction. Here in the UK:
There is a specific ban on using phones while driving.
There is an obligation to drive with "due care and attention" so taking your eyes and attention off the road to spend time fiddling with a computer screen can be an offence as well.
There is a specific ban on using phones while driving.
There is an obligation to drive with "due care and attention" so taking your eyes and attention off the road to spend time fiddling with a computer screen can be an offence as well.