UNIT 10 : INVENTIONS AND TECHNOLOGY

INVENTIONS THAT HAVE IMPROVED OUR LIVES

MedicineTransportIndustry and energyFree time Communications

X.raysthe Steam Enginethe Steam EngineCameras, Radios,TVthe Printing press

AntibioticsSteamboats, Trains,the Electric MotorCinemathe Wireless telegraph

VaccinationsCars, Motorbikes Renewable energy sourcesElectronic games the Telephone, the Fax machine,

PlanesMachines in Theme parksthe Mobile phone

Computer, the Internet

A COMPUTER

Its an electronic machine that

Receives stores processes produced data ( information)

We use it:

at home at school at work

Elements:

HardwareSoftware

Parts that you can touchthey are inside the computer

The machine (CPU) the peripheral partsYou cant touch them

The programmes: tell the computer what to do

WHAT DO WORD PROCESSORS DO?It allow to us to:

Write a textcopychangeadd pictures and photossave in filesprintcopy and paste

WHAT IS THE INTERNET?

Its a world wide computer network that allow to do many things:

Communicatesending an e- maillooking for informationlooking for pictures, photos or videoslistening to musicReading on lineWHEN AND HOW SHOULD WE USE THE INTERNET?

MAKE SURE YOU:

limit the time you spend on the internet

visit websites with an adult

visit official websites

dont visit websites full of advertising

never give personal information

dont do anything against the law

not to join a social network before you are 13 years old