Question

each key is expressed in terms of a bit.​

Answer 1

Special digital numbers called keys are often used to encrypt data on computer networks. The length of these keys is expressed in terms of the number of bits. The greater the number of bits, the more effective that key is in protecting data.

Answer 2

Special digital numbers called keys are often used to encrypt data on computer networks .The length of these key is expressed in term of the number of bits.The greater the number of bits, the more efficient that key is in protecting data.

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