ERGONOMIC KEYBOARD
Ergonomic Keyboard is just like a normal keyboard except it is more confortable for users to type and it is also more expensive. Usually all those heavy writters buy this type of keyboard
INK-JET PRINTER
This printer sprays drops of colour to many sizes of paper. It can spray black and white and can also spray coloued text and images such as photos
LASER PRINTER
A laser printer is very fast printer with a quality non impact printer. It can also print either text of pictures in both colored and black and white. A laser printer is more costly then a regular printer like ink jet printer.
OPTICAL-CHARACTER RECOGNITION.
OCR also known as optical-character recognition is a input device which can read printed notes or any typewritten documents and converts them into a way which the computer can understand. It works like a scanner
OPTICAL MARK RECOGNITION.
Optical Mark Recognition which can also be called as OMR is an imput device which can even read hand-drawn shapes such as rectangular triangle and even a square. It is mostly use to mark exam MCQ questions. This works by detectung the correct answer via the light and dark
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