The link for the other useful videos related to ROM and BCD codes: 1) Read Only Memory (ROM) Explained: kzbin.info/www/bejne/Z3i1dpSEjJdkjq8si=__Y0dFvbP5dnhHGK 2) ROM as Programmable Logic Device: kzbin.info/www/bejne/sKG8hJyXbduEhNUsi=uL8Z6xdn7lyeILt8 3) BCD codes: kzbin.info/www/bejne/bqSohoxjhaeZl68si=hd3n7NVgrbvjzN0i For more solved problems on Digital Electronics, check this playlist: kzbin.info/aero/PLH9R5x7JVXCGT9tMPS1Ak6BhB1FPnKJvv&si=9dOSbjWEXsUcWjfu