Amin's World Of Technology

Introduction

• Output is processed data from computer.
• Output device is a hardware that enable user to send out the processed data out of computer.
• It can take a form of Image, Text, Sound, Graphics and Video

EXAMPLES OF OUTPUT DEVICES

• Monitor

• Printer

• Speaker

• Projector

FACTORS OF QUALITY FOR PICTURES

• Resolution

-Is controlled by the number of pixels displayed on the screen

-The higher resolution, the sharper and the clearer of the image

• Dot pitch

-Is the diagonal distance between pixels of the same colour on the screen

-The smaller dot pitch (less blank space) the clearer of image

When Choosing a printer keep this in mind

• Speed

– Determine by Pages Per Minute (ppm)

• Resolution

– Is measured in Dots Per Inch (Dpi)

• Use and Cost

TYPES OF PRINTER

Types of Printer:

1.Ink-jet printer (cheaper compared to laser printer)

2.Laser printer (can print faster compared to ink-jet)

3.Thermal printer (to print receipt)