Digital Logic

26 articles in this topic

Boolean algebra and K-map minimization: a worked GATE guide

K-map minimization becomes routine once you can read the groupings. Six Boolean identity pairs, DeMorgan's two theorems, the SOP and POS canonical forms, and a four-variable map traced loop by loop from seven minterms and three don't-cares down to F = B' + A'D.

Updated 15 Jul 20265 min readDigital Logic

Number systems and base conversions: binary, octal and hexadecimal explained

Number systems for GATE: binary, octal and hexadecimal, base conversion, r's and (r-1)'s complement, signed representation, BCD and Gray code, worked.

Updated 15 Jul 20265 min readDigital Logic