Answers to Daily Challenge


Consolidate all the answers from Alpha Vantage daily challenge

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Which of the following is NOT covered in settings.py in the context of Django web development?

Importing the JQuery library

In order to test the performance of a machine learning model, you need:

Test data

Which of the following does NOT use machine learning?

Minting a new cryptocurrency on the Binance Smart Chain (BSC)
The Calculator app on your smartphone device

What is one difference between adjusted close price and raw close price?

The former is more frequently used for trading strategy back-testing than the latter

If you are staking 500 AVC at 7.5% APR, what will be your daily AVC reward?

500 x 7.5% / 365

If you are staking 500 AVC at 7.5% APR, what will be your annual AVC reward?

500 x 7.5%

Which of the following is true for Alpha Vantage Coin (AVC)?

It can be mined without any specialized mining hardware or software
You can mine the coin without writing any software code/scripts
By holding AVC, one can vote for the governance roadmap of the project

Which of the following is NOT true for AVC staking?

The staking reward is distributed once every quarter (3 months)

Which of the following is true about test data in machine learning tasks?

They can be used to verify the robustness of the trained model

Is linear regression a good machine learning model for predicting stock prices?

No, because stock price movements are generally non-linear

Which of the following is true about training data in machine learning tasks?

They are always high quality data

Which of the following is an application of smart contracts?

An ERC20 token on the Ethereum blockchain
An ERC20 token that has a low trading volume on Uniswap
A web3 decentralized application (dapp) such as the Alpha Tournament

Do you need real-time data for ALL machine learning tasks?

No

Do you need training data for machine learning tasks?

It depends on the use case

What is the typical function of runtime.txt files in Python/Django web development?

Python runtime version definitions

What is the typical function of urls.py in Python/Django web development?

Set up URL routing

What is the typical function of db.sqlite3 in Python/Django web development?

Database configurations

What is the typical function of files in the .css format in Python/Django web development?

Frontend rendering

What is the typical function of requirements.txt in Django web development?

Listing the required dependencies and libraries

What is the typical function of settings.py in Django web development?

App configurations

What is the typical function of views.py in Python/Django web development?

Backend logic

What is the typical function of the JQuery Library in web development?

Frontend logic

What does AJAX mean in the context of Python web development?

Asynchronous JavaScript and XML

What does the command pip install do in Python development?

Install Python libraries

Which of the following is NOT a key attribute of ERC20 tokens?

They are all traded on Coinbase

Is deep learning always better than other machine learning algorithms?

It depends on the use case

What is the relationship between machine learning and deep learning?

Deep learning is a special class of machine learning algorithms

Which of the following is NOT a key benefit of smart contracts?

Improving the diversity and inclusion in the US labor market

Tesla (TSLA) had a five-for-one stock split in August 2020. Which of the following is TRUE?

TSLA shareholders had more shares after the split

Which of the following will NOT happen when a stock goes through a stock split event?

It will be delisted from the NASDAQ Stock Exchange

Which of the following is a key attribute of ERC20 tokens

Decentralization

Which of the following is NOT true for ERC20 tokens?

They are centralized by nature

Which of the following is true about ANY machine learning algorithm with good performance?

It will definitely perform well on the training dataset

In order to build a deep learning model, you need:

Training data
A mathematical way for the model to converge
A computing resource equipped with either CPU or GPU

Which of the following is a key attribute of smart contracts?

Decentralization

Which of the following is NOT true for Python/Django?

It can be used for developing iOS applications
It can be used for developing video games powered by Unity

What is the relationship between machine learning and artificial intelligence?

Machine learning is an important tool to achieve general artificial intelligence

Is the XXX_CURRENCY (US Dollar, Korean Won, Japanese Yen, British Pound, etc) a fungible token?

Yes.

Are ERC20 tokens fungible?

Yes

Is Bitcoin a fungible token?

Yes

Are commodities such as Gold and Silver fungible assets?

Yes

Are commodities such as Copper fungible assets?

Yes

Which of the following is true about PyTorch?

The Py part in PyTorch means Python
It is open-sourced

Which of the following is NOT true about PyTorch?

It is a for-profit project
It is the building block of blockchain technologies

While these are TRUE: It supports both CPU and GPU usage, It can be installed as a Python package/library, It is an open-source project

Do you need central processing units (CPU) for deep learning tasks?

It depends on the use case

Do you need graphical processing units (GPU) for deep learning tasks?

It depends on the use case

Does deep learning always deliver better performance than other machine learning algorithms?

It depends on the use case