What is encryption techniques?

What is encryption techniques? Encryption is the method by which information is converted into secret code that hides the information’s true meaning. In computing, unencrypted data is also known as plaintext, and encrypted data is called ciphertext. The formulas used to encode and decode messages are called encryption algorithms, or ciphers. What is encryption used […]

How is the information revolution different from the industrial revolution?

How is the information revolution different from the industrial revolution? The easiest change to spot is the level of specialisation that the average role requires. The Industrial Revolution created modern industry as we understand it today. The Information Revolution has pushed individuals to become highly specialised in how they contribute to bigger industrial efforts. Why […]

How do astronauts train for EVAs?

How do astronauts train for EVAs? One way astronauts train for spacewalks is by going for a swim. Floating in space is a lot like floating in water. Astronauts practice spacewalks underwater in a large swimming pool. The pool is called the Neutral Buoyancy Laboratory, or NBL. Why is a spacewalk exhausting? Because the air […]

How is gain measured on an amplifier?

How is gain measured on an amplifier? Amplifier gain is simply the ratio of the output divided-by the input. Gain has no units as its a ratio, but in Electronics it is commonly given the symbol “A”, for Amplification. Then the gain of an amplifier is simply calculated as the “output signal divided by the […]

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