Answer:
C
Explanation:
Scanner and Keyboard are input device.
Answer:
D. Digital signatures
Explanation:
Of the given terms, Digital signatures is the best associated with public key infrastructure(PKI). This is because digital signature facilitate signing a document electronically by using one's private key. This signed document can then be verified by a recipient using the person's publicly available public key. If the verification is successful then it can be established that the document was indeed signed by the concerned person.
Answer:
programming language is a formal language comprising a set of instruction that produce various kind of out put.
I don’t know what the heck is it true