Digital signals, basic logic gates (NAND, NOR, XOR), and Boolean algebra. Number Systems & Codes:
Many free PDFs floating around are scanned copies of the 2nd or 3rd edition (1996/2008). A "new" PDF should ideally be the 4th Edition (published by McGraw-Hill Education, 2014 or later). r p jain digital electronics pdf google drive new
Instead of clicking on spammy links, use these advanced search operators directly in Google: Digital signals, basic logic gates (NAND, NOR, XOR),