The clash between devices competing for the same resources in a DOS or Windows 3.x PC. This was a major issue with early PCs, but was solved in Windows 95 (see plug and play).
"PC conflicts." YourDictionary, n.d. Web. 18 August 2018. <http://www.yourdictionary.com/pc-conflicts>.
PC conflicts. (n.d.). Retrieved August 18th, 2018, from http://www.yourdictionary.com/pc-conflicts