Explain the characteristics/functions of the following I/O devices:
(i) Inkjet printer
(ii) Power Connecter
(iii)Video Card
(iv) Magnetic Stripe Reader
Answers
https://computer.howstuffworks.com/inkjet-printer2.htm this link for inkject printer
a power supply unit or PSU, the component that supplies power to a computer. Most personal computers can be plugged into standard electrical outlets. The power supply then pulls the required amount of electricity and converts the AC current to DC current
VIDEO CARD
A video card connects to the motherboard of a computer system and generates output images to display. Video cards are also referred to as graphics cards. Video cards include a processing unit, memory, a cooling mechanism and connections to a display device.
MAGNETIC STRIP
A magnetic stripe is a type of card capable of storing data by modifying the magnetism of tiny iron-based magnetic particles on a band of magnetic material on the card. The magnetic stripe, sometimes called swipe card or magstripe, is read by swiping past a magnetic reading head.