Input and Output

By Annabel Barker

Scanner

This is an input!

You use it to photocopy something.

ADVANTAGE!

You don't have to make something twice


DISADVANTAGE:

It costs a lot of money.

Touch Screen

This is an input!


You use it to type on a phone

ADVANTAGE!

It's much quicker than typing on a keyboard

Interactive Whiteboard

This is an input!

This is used in schools, to display work and to interact with the class.

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ADVANTAGE!

everyone can see the work.

Motion Sensor

This is an input!

This is used to track movements in buildings

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ADVANTAGE!

It can help you find burglars.

OMR reader

This is an Input!

This is used to read information

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ADVANTAGE!

It marks your test for you

OCR reader

This is an input!

This is used to input important information, such as on passports.

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ADVANTAGE!

It's a lot quicker scanning it than doing it manually.

Graphics tablet

This is an Input!

This is used to sketch out designs. This is used for making movies.

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ADVANTAGE:

You don't have to be great at drawing to use this.

Laser Printer

This printer is used at work most of the time as it quiet and quick. It uses toner to produce coloured imagery.


Advantage:

It prints a lot of documents quickly.


Disadvantage:

It is really expensive.

Ink-Jet Printer

These are mainly used at home where not much needs to be printed and the quality doesn't have to be 100%.


Advantage:

cheap to buy and can print black and white and colour printing at the same time.


Disadvantage:

Does get slow if printing lots at the same time.

Plotter printer

Plotters are a specialist type of printer able to make quality images on large pieces of paper.


Advantage:

Larger sizes of paper can be used than most printers can.


Disadvantage:

It can be slow

Robotic arms

input!

A robotic arm is a mechanical arm, which is programmable, and has similar functions to a human arm.

Advantage:

can help you do daily tasks

Disadvantage:

if something was going wrong it wouldn't notice