hardware
A VDU is hardware.
A scanner is both hardware and software, the device itself is hardware (all devices are hardware) but the driver(a program) that runs it is software.
hardware
keyboard, mouse, speakers, cameras, external hard-drives, servers, backup hardwares, etc.
A microphone is hardware. Software is what programs and games are called.
both a hardware and software
Motherboards are hardware components, not software.
Have to be hardware. How could you write software if there were no hardware to write it on?
Software. Short and sweet. Hardware needs software to work.
I/O devices like Keyboard, Mouse, Monitor, Speakers are used to for the computer to communicate with the user. The Operating System uses software called drivers to interact with these hardware devices. Altogether, this is called the user interface.
hardware
Audio card is the physical hardware that you plug your speakers in to. Audio driver is software, that commands the hardware. You need both to hear sound.