Accounting systems test 3 Chapter 12
Which of the following is an example of natural language processing
A product which reads contracts and helps accountants with revenue recognition
Which of the following is created mainly for cryptocurrency application?
Bitcoin
Which feature cannot be found in bitcoin?
Double spend
Which of the following is the best description of artificial intelligence?
Intelligence exhibited by machines rather than humans.
Which of the following fields is one of the foundations of the artificial intelligence field? All of these choices are correct
Philosophy. Neuroscience. Cybernetics. Psychology.
Which of the following best describes semi-supervised learning?
The training data contain some missing labels or incomplete data.
Which statement is false?
Hyperledger is developed for the banking industry
Which of the following is not a metric used to assess the performance of a model?
Reliability.
If a confusion matrix shows 25 TP, 5 FN, 1000 TN, and 5 FP, what is the precision ratio? (Round your answer to 2 decimal places.)Use P=Tp/TP+FP
0.83
If a confusion matrix shows 25 TP, 5 FN, 1000 TN, and 5 FP, what is the recall ratio? (Round your answer to 2 decimal places.)Use R=Tp/TP+FN
0.83
If a confusion matrix shows 46 TP, 6 FN, 500 TN, and 4 FP, what is the recall ratio? (Round your answer to 2 decimal places.) Use R=Tp/TP+FN
0.88
What is a requirement of the proof of authority algorithm?
A few members have known identities.
Which of the following is the least likely use case for implementing blockchain?
A grocery store would like to modernize their payroll systems
Which of the following statements is false?
Bitcoin uses smart contract to specify the business rules.
If the AI application predicts three classifications, how may rows would be in the confusion matrix to summarize results?
Exactly 3.
What is the major difference between the proof of authority (PoA) consensus algorithm and proof of work (PoW) consensus algorithm?
For PoA, validator identities are known.
How many copies of the ledger are in a blockchain network with 4 participating nodes?
Four
Mining does not exist in
Hyperledger
Which of the following statement is false?
Hyperledger is a public blockchain.
Which of the following best describes a confusion matrix?
It is a table summarizing the prediction results.
Which of the following describes the difference between artificial intelligence, machine learning, and deep learning? All of these choices are correct
Machine learning is a subset of AI. Deep learning is a subset of machine learning. AI encompasses machine learning and deep learning.
Which of the following best describes machine learning?
Machine learning is a technique by which a software model is trained using data.
In which of the following situations would blockchain add value?
Multiple parties that do not trust each other want to collaborate
Which of the following best describes artificial neural networks?
Neural networks consist of inputs, neurons or nodes, and outputs.
What information does a block in the Bitcoin network not contain?
None, a block contains all of this information.
Which of the following is not a benefit of blockchain
Past information is easily edited
Which type of blockchain offers economic reward for the computational proof of work in mining?
Public
Which of the following best describes reinforcement learning?
The model learns by trial-and-error.
Which of the following best describes supervised learning?
The output is a known set of values to predict from the input.
Which of the following is not one of the five basic questions that machine learning applications answer?
What data should I use?
Hyperledger is developed for the banking industry All of these are correct
hashing cryptography smart contracts for business rules
What is the blockchain analogous to?
ledger
Ben goes to his bank to wire transfer $1,000 to his sister Jennifer. The role of the bank in this transaction is best described as:
middleman.
In the Ethereum network:
mining of Ether occurs at a constant rate.
For PoA, validator identities are known.
public
