Notes 09/09/13

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Computing Notes

1.

Chips with everything

2.

Communication with machines in the future

3.

Computers influence in daily life

4.

Most people chose 1-5 computers even though many

households contain over 100

5.

From washing machines to toys there are lots of

computers

6.

Mobile phone is an embedded computer

7.

First mobile phones were very large with simple

computer inside

8.

Information technology was very simple when it

was first created

9.

The mobile phone is a very useful computer which

can do thousands of different things

10.

Some new items include Bluetooth headset, heart

rate monitor, and pedometer

11.

Sense cam can be used to take pictures in a

change of movement and light often very useful for people with Alzheimer’s

12.

Technology and computers nowadays can be used to

help hearing such as a simple hearing aid and very new technology that can help

deafness often in the shape of implants.

13.

Touch screen computers can use finger motion and

transfer it into a digital image. Some screens can use multi touch enabling

many different finger motions. Modern objects can also be used. These can be

thing like rotating, drawing, dragging etc. These use objects such as infrared

sensors.

14.

Most touch screens and normal screens use a LCD

screen

15.

Liquid Crystal Display

16.

Light can often be blocked out using lenses (

polarisers )

17.

Sugar molecules can rotate the light through the

polarisers enabling you to see the sugar.

18.

Liquid crystal can also be used to see through

the lenses.

19.

On a liquid crystal display red, blue and green

light is used to create all of the different colours you can see on the screen.

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