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Name of Device Description Function Advantages Disadvantages
Monitor(Cathode ray tube) A television like display screen with a bulkier form than the LCD monitor. Produces soft copy output of text, colour, graphics etc. Colours are much greater and it is easier to scale to greater resolutions. They are cheaper than LCD’s It is heavy and large. Colour quality diminishes over time.
Monitor (Liquid Crystalline Display) A television like display screen. Produces soft copy output of text, colour, graphics etc. They take up less space and are lighter. Produces less eye fatigue to the users than CRT’s. They are very expensive. There are low response times for certain applications.
Daisy Wheel Printer A box with a roller and buttons on some models on it’s topside. Outputs texts from the computer. There is a high quality in the print out and this printer can print left and right on one line. It is extremely slow and cannot print graphics as well as it only uses one font at a time.
Dot Matrix Printer A box with buttons and a slot to input and output paper on it. Outputs text and graphics from the computer Purchase and running costs are low; they are robust and can operate in hostile environments as well as it is able to print on cut sheet and fanfold paper. Can multiple copies if several sheets of self carbonating are place in it. It is noisy, slow it outputs poor quality graphics and low resolution overall.
Thermal Printer A box with buttons and a slot to input and output paper on it. Outputs text and graphics from the computer It is quiet and inexpensive. It is relatively slow and inexpensive to run.
Ink Jet Printer A box with buttons and a slot to input and output paper on it. Outputs text and graphics from the computer There is a high resolution output, it is relatively inexpensive; produces high quality black and white or color printing, it is faster than impact printers and is quiet. The printing speed is slow compared to a...