Elon Musk's Influence on Cryptocurrencies Quiz

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What was the reason given by Elon Musk for Tesla not accepting payments in Bitcoin?

Lack of interest in Bitcoin
Regulatory issues
Concerns about security
Environmental concerns (correct)

How did the value of Bitcoin react after Elon Musk's statement about Tesla not accepting payments in Bitcoin?

Hit an all-time high
Hit a two-month low (correct)
Remained stable
Increased by 20 percent

What did Elon Musk state he was working on with developers of Dogecoin?

Creating a new digital currency
Promoting the use of fossil fuels
Developing a new electric vehicle
Improving system transaction efficiency (correct)

How did Dogecoin perform in the digital currency market after Elon Musk's statement about working with its developers?

Rallied by about 20 percent (A) Signup and view all the answers

What was the concern raised by Elon Musk about the rapidly increasing use of fossil fuels for Bitcoin mining and transactions?

Massive increase in fossil fuel use, especially coal (D) Signup and view all the answers

How did the value of Bitcoin react after Elon Musk's statement about the rapidly increasing use of fossil fuels for Bitcoin mining and transactions?

Triggered a downward spiral (C) Signup and view all the answers

What does an API stand for in the context of the text?

Application Programming Interface (A) Signup and view all the answers

What is the purpose of a 'key' that developers receive when interacting with an API?

To act as a password for accessing the API (C) Signup and view all the answers

What is a warning provided about using APIs?

Websites may limit access to data through their APIs (D) Signup and view all the answers

What is Yahoo's YQL language used for?

Standardizing data formats from different websites (C) Signup and view all the answers

What is the main concern when using an API to scrape data?

The potential for weird data formats from different websites (D) Signup and view all the answers

What should developers do before using a website's API?

Check the terms and services of the website’s API (D) Signup and view all the answers

What tool can you use to grab fields inside the HTML of a web page when there's no API available?

Firebug extension for Firefox (D) Signup and view all the answers

Which tool is robust but kind of slow for web scraping?

Beautiful Soup (A) Signup and view all the answers

Which tool provides access to the full HTML document for interaction and editing?

Firebug extension for Firefox (C) Signup and view all the answers

Which tool is super cool but doesn't parse JavaScript?

Mechanize (C) Signup and view all the answers

Which tool is good if you pine for the 1970s or 1992?

lynx (C) Signup and view all the answers

Which tool is recommended for grabbing what you want in a quick-and-dirty shell script, especially for a one-off grab?

<code>curl</code> and <code>wget</code> (C) Signup and view all the answers