LED Chaser using raspberry pi

Which programming language is commonly used to implement an LED Chaser on Raspberry Pi?

• A) Java

• B) Python

• C) C#

• D) JavaScript

What is an LED Chaser?

• A) A device that chases away insects using LED lights

• B) A circuit that controls the sequential lighting of LEDs

• C) A game involving chasing LEDs on a screen

• D) A software tool for tracking LED usage

How is the LED Chaser pattern typically controlled in Python?

• A) Using conditional statements

• B) By adjusting the voltage levels

• C) Through loops and delays

• D) By changing the GPIO pin modes

What is the purpose of building an LED Chaser using Raspberry Pi?

• A) To create an entertaining light show

• B) To demonstrate the control of multiple LEDs with GPIO pins

• C) To scare away animals with blinking lights

• D) To illuminate a room efficiently

What command is commonly used to turn on an LED in Python's GPIO library?

• A) GPIO.high(25)

• B) GPIO.turn_on(25)

• C) GPIO.output(25, GPIO.HIGH)

• D) GPIO.set(25, ON)

What is the basic principle behind an LED Chaser?

• A) Rapidly switching LEDs on and off

• B) Gradually changing LED colors

• C) Simulating the movement of lights

• D) Randomly blinking LEDs

What is the function of a delay in an LED Chaser program?

• A) To control the brightness of LEDs

• B) To synchronize LED blinking

• C) To change LED colors

• D) To switch between different LED patterns

How many GPIO pins are required to control an LED Chaser with 5 LEDs?

• A) 2

• B) 3

• C) 4

• D) 5

Which GPIO pin configuration is commonly used for an LED Chaser with 5 LEDs?

• A) Sequential

• B) Random

• C) Parallel

• D) Alternating

How can you create a looping LED Chaser effect with Python on Raspberry Pi?

• A) By using nested loops to control LED sequences

• B) By alternating GPIO pin states repeatedly

• C) By running multiple Python scripts simultaneously

• D) By manually controlling each LED's timing