Wi-Fi refers to a protocol used and set as a standard, to obtain wi-fi you need both the hardware to transmit and receive the signal and the software (such as windows) to do something with it.
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
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?
Yes you can install wifi externally to Your nokia 5233. but it depends on the compatibility of a wifi hardware with nokia 5233 .if there is any compatible wifi hardware for this cell phone then yes you can install it
Software. Short and sweet. Hardware needs software to work.
hardware
Yes. Hardware can be touched and software cannot.
A scanner is a hardware device that is operated by software.