3.4 Output Devices

Output is the presentation of information to a person, or data to another computer.

1.         Monitors are screens that display text and graphics. The two main types are Cathode Ray Tube (CRT) and Liquid Crystal Display (LCD).

2.         Printers produce a hard copy of the output on paper. The types of printers are dot matrix, laser, ink-jet and plotters.

Write out the sentence and fill in the missing word

????? is a screen that can display text and graphics.

????? is a type of monitor that displays in one colour only.

????? is the technology used in monitors of most personal computers.

????? is a screen commonly found in portable computers.

????? is a machine that presents data on paper.

????? are printers that make an image on the paper by using some sort of physical contact.

????? is a type of printer that prints characters or images by using dots.

????? is a type of printer that uses a rotating disk to reflect laser beams on to the paper

????? is a type of printer that prints characters by spraying very fine ink jets onto the paper.

????? is an output device that uses coloured ink pens to draw maps, charts, diagrams and other drawings on paper.

    

 

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