Hardware/ˈhɑːrdwer/ Definition 1 of 4Pro Tip 1/3Physical Components Refers specifically to tangible computer components, not software or programs. I upgraded the hardware in my PC for better performance. Pro Tip 2/3Not Interchangeable 'Hardware' in computing should not be confused with 'software' or 'firmware'. He was knowledgeable about hardware, but knew little about software. Pro Tip 3/3Technical Context Often used in technical or industry-related conversations; less common in casual talk. She discussed the new hardware's specs at the tech conference.