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was invented by
Johannes Gutenberg. Steam engine
was invented by
James Watt. The movie projector
was invented by
the Lumiere Brothers. Antibiotics were
Alexander Fleming. Mobile phone was
Martin Cooper. The telegraph was
Samuel Morse. The newspaper was
created by Johonn
Carolus. Mercator projection
map was invented by
Gerardus Mercator COMPUTER Hard disc is an internal storage
device. Let us save programs. Modem let us connect a
computer to internet. A webcam is a video camera that
can be connected to a computer. A printer let us print copies. Speakers let us hear sounds. A keyboard let us type in texts. A mouse let us move and click. A monitor is a screen. External storage devices like CD. EMAIL A popular service on internet is email.This let you send and recives messages. sender message recipient Receives the
message. Goes to the
Then the recipient
can open ,save...
the message. Send the message
to a person. Advances in life Make many things faster and easier. at home: Water pipes bring us clean water.And gas pipes bring us natural gas. Power lines bring us electricity. Heating and air conditioning keep our homes comfortable. transport: Cars and buses are fast and safe. GPS help people find their way around. Planes and trains can travel long distances medicine: Doctors can use modern devices. Doctors can help people whiz organs of other people. Genetic tests can tell us about diseases. chats advances in communications ICT Information and Communications Technology computers: Today we can use computers to manipulate and share information easily. needs 2 elements Physical components hardware Programs that make a computer work software needs 2 types of hardware CPU Central Processing Unit Peripheral devices input, output, storage. internet a computer internet lets people communicate with each other around the world. you need A modem, a telephone line or a WIFI and an internet server. you can Find interesting websites. Read online. Create your own blog. Exchange messages or have video calls Listen and watch videos Play games In a chat people can communicate instantly
with each other.
To send and answer people messages KEYBOARD To enter a chat room YOU NEED A nickname
and a password. study maths spanish science english DID YOU REALISE? Email addresses usually have three
parts that look like this: name @ serve . domain TECHNOLOGY The human species use of technology began with
the conversion of natural resources into simple
tools. Technology has affected society and its surroundings in a number of ways. In many societies, technology has helped develop more advanced economies. Science is a systematic enterprise that builds
and organizes knowledge in the form of testable
explanations and predictions about the universe.
In an older and closely related meaning
(found, for example, in Aristotle), "science"
refers to the body of reliable knowledge itself,
of the type that can be logically and rationally
explained. ADVANCES The word technology refers to the making,
modification, usage, and knowledge of tools,
machines, techniques, crafts, systems, and methods
of organization, in order to solve a problem,
improve a preexisting solution to a problem,
achieve a goal, handle an applied input/output
relation or perform a specific function.