Wider Scope
Computers are part of what is nowadays usually called “new media”. As such they may be seen in contrast to traditional (or “old”) media. Both allow communication and conservation of knowledge, though in rather different manners.
Surely we are inclined to say that computers are much more capable than, for instance, books; for with the aid of computers it is easy to store and, if required, to recall thousands of books — together with uncountable additional informations, pictures, movies, learning programs and so on.
It is typical that, as soon as we get acquainted with something new, we cannot but see it standing head and shoulders above all the old. The scope of the new seems infinitely wider, enclosing the old at best as a somewhat primitive special case. A poor predecessor, maybe a toy for children…
Yet, not always and everywhere can computers replace a book really equivalently.