boolean - what are the steps to simplifying this (a+b)(a+!b)=a -

-

what steps simplifying (a+b)(a+!b)=a

  (a + b).(a + !b)  = a.(b + !b)          ; distributivity [1]  = a.1                 ; complements [1]  =
  1. see wikipedia page on boolean algebra

Comments

Post a Comment

Popular posts from this blog

winapi - How to refresh Windows Explorer -

-
Image
a network volume's name can changed. changed name spinal disk to change network name, do write new name in registry. attach network volume using functions definedosdevicew. in timing, windows explorer read registry in guessing. shchangenotify(shcne_driveadd, shcnf_path, root, null); // sure. sendmessagetimeout(hwnd_broadcast, wm_devicechange, message, (lparam)(&dbv), - smto_abortifhung, 200, &dwresult); // sure again! it works, doesn't work though use shchangenotify , wm_devicechange sure. sometimes, new name not applied in windows explorer. if terminate explorer , re-execute, name applied. i'm finding interface having windows explorer refreshed.(is correct syntax? sorry, can't express sentence well.) there proper function? explorer should re-read registry , refreshed. unfortunately, explorer can't refresh every time told so. because way many apps behave badly, , use shchangenotify() shcne_allevents. imagine if exp...
Read more