Computer Revision Quiz ABOUR SMALL BASIC Grade 8

What is EV3 robotics?

• A type of smartphone app

• A type of car engine

• A type of computer virus

• A robotics platform designed for educational purposes

What are the main components of an EV3 robot?

• EV3 brick, wheels, camera, and metal pieces

• Battery pack, gears, remote control, and plastic parts

• EV3 brick, motors, sensors, and LEGO Technic pieces

• Microcontroller, propellers, ultrasonic sensor, and wooden blocks

How can EV3 robots be used in real-life applications?

• In manufacturing, education, healthcare, and entertainment

• As a mode of transportation in cities

• In outer space exploration

• For cooking and baking

How do you program an EV3 robot to move forward for 5 seconds?

• Use the Spin Motor block in the EV3 software and set the duration to 5 seconds.

• Use the Stop Motor block in the EV3 software and set the duration to 5 seconds.

• Use the Move Tank block in the EV3 software and set the duration to 5 seconds.

• Manually push the robot forward for 5 seconds.

Explain the concept of loops in EV3 programming.

• Loops in EV3 programming are only used for displaying messages on the screen

• Loops in EV3 programming are used to control the speed of the robot

• Loops in EV3 programming are used to play music

• Loops in EV3 programming allow a set of instructions to be repeated for a specified number of times or until a certain condition is met.

What is the purpose of using sensors in EV3 robots?

• To detect and measure the robot's surroundings

• To provide light for the robot to see in the dark

• To cook food for the robot

• To play music and entertain people

Name two types of sensors used in EV3 robotics.

• Temperature sensor and pressure sensor

• Light sensor and sound sensor

• Infrared sensor and touch sensor

• Color sensor and ultrasonic sensor

What are the basic steps for building an EV3 robot?

• Painting the robot

• Singing to the robot

• Assembling hardware, connecting motors and sensors, programming, testing

• Dancing with the robot

How do you assemble the motors and sensors in an EV3 robot?

• Ask a friend who has never built a robot before for help

• Follow the instructions in the EV3 Robotics kit manual

• Use trial and error to figure out the assembly

• Search for online tutorials and guess the assembly process

Explain the importance of proper alignment in building an EV3 robot.

• Misalignment can actually improve the robot's efficiency

• Wear and tear on the components is not affected by proper alignment

• Proper alignment helps the robot move accurately and efficiently, and prevents unnecessary wear and tear on the components.

• Proper alignment has no impact on the performance of the EV3 robot