Skype is a type of video conferencing software. You would install the software on your computer. To effectively use it however, you would need a webcam and microphone, which are hardware components.
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?
Software. Short and sweet. Hardware needs software to work.
Using the software Skype you can dial phones from your PC. Skype is a free software but does require a fee to dial phones.
hardware
The Skype software can be downloaded from their website (See links below).
Skype and Viber are both Free Software!