Yes that's a correct assertion, PC's are kind of obsolete even offices nowadays use laptops, most of the online sellers I know do not even own a computer as long as they've got a smartphone they are okMobile are available to every person. All such works can be performed on mobile with are done on pc in offices. Offices use pc for their work. Will offices replace pc with mobiles?
According to me pc are more comfortable for office work. Give you ideas about this.