The PDF alone is static. Use free simulation software alongside it:
Pearson’s official eBook is available on platforms like VitalSource. You pay a reduced price (often $40–$60 for a 180-day rental) and can read online or download to the app. You can print limited pages.
Note: The Spanish title "Sistemas Digitales" usually refers to a translation of the 9th or 10th edition. If you read English, look for "Digital Systems: Principles and Applications."