Page 68 - DK Children's Encyclopedia
P. 68
The story of...
Codes
Morse Code
Codes are words, letters, and numbers that are Morse Code represents
letters and numbers as
used to represent other words, letters, and dots and dashes. It was used
numbers. People used codes to communicate to send messages through
with each other, or to keep things secret. wires before telephones
were invented.
Others, such as DNA, are just instructions.
The ancient
Egyptians used
hieroglyphics
as a writing
system Morse Code tapping machine
to record
their history.
Writing with pictures
The ancient Egyptians used
drawings to communicate, instead of Bonjour Nee-how, Mandarin
written words. These symbols are called
hieroglyphics. Hieroglyphics were not Boh-zhoo, French
understood by modern people until
a stone was discovered with a Hello
translation of hieroglyphics into English
Greek, allowing the “code” to
be worked out. Languages
The different languages
humans speak are types
Konnichiwa, Japanese
of code. Until you learn a
foreign language, hearing
someone using it to speak
or reading their writing will
Programming Merhaba make little sense to you.
Computers need Mehr-hah-bah, Zdrast-wui-tyeh,
Russian
instructions to operate. Turkish
These are created by
programmers, who use
combinations of symbols
and words. Programming Holá Jambo
is often called coding.
Oh-lah, Ja-m-boh, Swahili
Spanish
Nômoshkar, Bengali
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