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What is the difference between a key and a legend?
There is no difference.
What is the difference between a key and a superkey?
In database a key is a field that we use to sort a data.whereas superkey is a subset of attribute so that no tuple have the same combination of values.
How can you tell the difference between a key signature in major or minor?
In a major piece, it will sound much more livelier, but in a minor key, it will sound more sadder. like in the piece: Notturno, by Grieg, it is in a minor key, therefore it sounds much more sadder than the piece: Le Petit Negre, by Debussy.
What is the difference between private key and secret key as applied to coding theory and cryptology?
"Private key" in the context of cryptography refers to the the key generated for an asymmetric encryption algorithm which is retained by the owner while the companion "public key" is published for others to utilize for secure communications or authentication. The "private key" is not shared with anyone. A "secret key" in the context of cryptography refers to the single key generated for use in a symmetric encryption algorithm which is only shared between those between whom secure communication is desired. It is kept secret from all others. The secret key must be transmitted to or shared with all parties by a method outside the communications link it is intended to secure.
How do you find logarithms using a calculator?
If you are using a scientific calculator you will have a key labelled "log". To find the logarithm (to base 10) of a number, simply enter "log" followed by the number that you want to log. If you want a natural logarithm - log to the base e - use the "ln" key instead. If you haven't got a scientific calculator, use the one on your computer.
