Not enough history and too many fumbled attempts at explaining the functioning and technicalities of computers. For a good layman's treatment of this Charles Petzold's 'Code' is the gold standard.

Only read if you are specifically interested in what Noyce and Kilby were like, and are also curious about how the nascent chip industry functioned. If the book focused more on these two aspects, it would've been a 4 or a 5.