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Computer Studies Today Chapter 17 1 »VDU is a monitor. It can be used to display images such as text, graphics and even video films or animations.

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Presentation on theme: "Computer Studies Today Chapter 17 1 »VDU is a monitor. It can be used to display images such as text, graphics and even video films or animations."— Presentation transcript:

1 Computer Studies Today Chapter 17 1 »VDU is a monitor. It can be used to display images such as text, graphics and even video films or animations.

2 Computer Studies Today Chapter 17 2 A CRT monitor A notebook computer with a LCD monitor

3 Computer Studies Today Chapter 17 3 »Printers are used to output images on papers.

4 Computer Studies Today Chapter 17 4 Dot-matrix Printers »Dot-matrix printers are suitable for printing large amount of data such as bills or invoices.

5 Computer Studies Today Chapter 17 5

6 6 Ink-jet Printers »Ink-jet printers are faster and have better quality than dot-matrix printers. Ink-jet printers are suitable for printing graphics.

7 Computer Studies Today Chapter 17 7

8 8 Laser Printers »Laser printers are the fastest printers and have the best quality. They are commonly used to produce high-quality hard copies.

9 Computer Studies Today Chapter 17 9

10 10 Plotters »Plotters are used to produce high- quality line drawings such as maps, charts, building plans and circuit diagrams.

11 Computer Studies Today Chapter 17 11

12 Computer Studies Today Chapter 17 12 »Sound/speech output devices convert the information into speech.

13 Computer Studies Today Chapter 17 13 A voice dictionary


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