$A(n{)}_{-},\_$ is a record of new transactions that is verified using established algorithms and encryption technology and then added to the chain of ongoing sequential transactions to accurately update the public ledger.

a$.$ ledger

b$.$ encryption technology

c$.$ audit record

d$.$ blockchain

e$.$ block

One of the problems with human$/$computer voice interaction is that the computer must recognize the distinct words being spoken to it which are in the form of a$($n$)$ have inherent grammatical irregularities and ambiguities.

a$.$ programming language

b$.$ intelligent language

c$.$ artificial language

d$.$ pseudocode language

e$.$ natural language