Encryption History-تاريخ التشفير
Is coding an old science? Cryptography has been around since the days of the pharaohs and others, that is, more than 7000 years ago, and Ramses II used it in…
Is coding an old science? Cryptography has been around since the days of the pharaohs and others, that is, more than 7000 years ago, and Ramses II used it in…
CODES CALLED CIPHERS Another way to hide a message is to use symbols to stand for specific letters of the alphabet. You might represent each letter with a number, for…
Messages are kept confidential using secret codes.During battle, codes are extremely useful for communicating secret military intelligence.Secret codes are also used in business by banks, enterprises, and government agencies, particularly…
Where would we be without writing? There’d be no books, magazines, or newspapers. There’d be no instructions for putting together a bike or a VCR. There’d be no birthday or…
HOW DO WE LEARN A LANGUAGE? The first language you learn to speak is called your native language. As a baby, you listened to your parents or other people speaking…
أهلا! Ni hao! Privyet! Aloha! Jambo! ¡Hola! Do you know what these words mean? They are “hello” in seven different languages—Arabic, Mandarin Chinese, Russian, Hawaiian, Swahili, Spanish. If you wanted…
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