Search site:github.com "R.P. Jain" "digital electronics" – GitHub is less monitored than Google Drive for textbook PDFs.
"R.P. Jain" "Digital Electronics" filetype:pdf -inurl:(htm|html|php) r p jain digital electronics pdf google drive new
: A PDF summary of key chapters (logic gates, Boolean algebra, etc.) can be found on Dronacharya's academic portal Key Topics Covered Search site:github