Podcast
Questions and Answers
What is the purpose of the strip() method in a string?
What is the purpose of the strip() method in a string?
- To split a string into a list of substrings
- To concatenate two strings
- To convert a string to uppercase
- To remove leading and trailing whitespace (correct)
What is the primary difference between a list and a tuple?
What is the primary difference between a list and a tuple?
- A list is immutable, while a tuple is mutable
- A list is defined using curly braces, while a tuple is defined using square brackets
- A list can hold multiple data types, while a tuple can only hold one
- A list is mutable, while a tuple is immutable (correct)
What is the purpose of the index() method in a list?
What is the purpose of the index() method in a list?
- To add an item to the end of the list
- To insert an item at a specified position
- To return the index of the first occurrence of an item (correct)
- To remove the first occurrence of an item
What is a dictionary in Python?
What is a dictionary in Python?
What operator is used to concatenate strings in Python?
What operator is used to concatenate strings in Python?
What is the purpose of the get() method in a dictionary?
What is the purpose of the get() method in a dictionary?
What is the result of casting a list to a tuple?
What is the result of casting a list to a tuple?
What is the difference between a dictionary and a list?
What is the difference between a dictionary and a list?
What is the purpose of casting a value to a string using str()?
What is the purpose of casting a value to a string using str()?
What is the result of calling keys() on a dictionary?
What is the result of calling keys() on a dictionary?
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Study Notes
Microcontroller
Overview
The Arduino R3 Motor uses an ATmega328P microcontroller, which is an 8-bit AVR microcontroller.
Key Features
- 32KB of Flash memory
- 2KB of SRAM
- 1KB of EEPROM
- Operating voltage: 1.8-5.5V
- Clock speed: 16MHz
Pinout
- 14 digital input/output pins
- 6 analog input pins
- 16 digital pins can be used as PWM outputs
- 6 analog pins can be used as analog outputs
Communication
- Supports serial communication protocols: UART, SPI, I2C
- Can be programmed using the Arduino Integrated Development Environment (IDE)
Power Management
- Can be powered via USB or external power source
- Onboard voltage regulator provides 5V and 3.3V outputs
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