1.) narrative = a THATS all I can answer rn sorryyyy
<span>A numeric string is created by a cryptographic
algorithm, which is called a hash that is used to validity of a message or authenticity
of a document. The signature is verified by an algorithm that uses the stated
owner of the signature's public key to accept or reject the authenticity of a
signature. A certification authority's digital signature is used to verify the
authenticity of digital certificates and other documents in a PKI.</span>
The item that you would most likely to keep in a database is a Payroll record. Payroll records are numbers and inputs/outputs of employees of a certain company. Numbers are easier to manipulate and easier to manage than statements, letters and addresses that are basically letters.
Both yeah and no, depending on personal opinion
