Control Systems: Interactive Learning Quizzes for Year 6 Design and Technology

Question 1

What's the main job of a sensor in a control system?

Accepted Answer

To turn physical measurements into electrical signals.

Answer

To make signals from the controller stronger.

Answer

To manage the actuators.

Question 2

Why are feedback loops essential in control systems?

Accepted Answer

To ensure stability and precision

Answer

To increase the output signal's strength

Answer

To minimize noise and disruptions

Answer

To serve as a backup in case of component failure

Question 3

When choosing a sensor for a control system, what is the most important factor to consider?

Accepted Answer

The type of physical quantity to be measured (e.g., temperature, light, distance)

Answer

The cost and availability of the sensor

Answer

The color and shape of the sensor

Question 4

In a control system, sensors detect changes in the environment. What do actuators do?

Accepted Answer

Control the system's output

Answer

Measure the system's output

Answer

Receive feedback from the controller

Question 5

Which of these is NOT a sensor used in control systems?

Accepted Answer

Motor

Answer

Light sensor

Answer

Temperature sensor

Answer

Sound sensor

Question 6

Which of these is NOT a sensor used to detect or sense changes in the environment?

Accepted Answer

Motor

Answer

Light sensor

Answer

Temperature sensor

Answer

Ultrasonic sensor

Question 7

Which sensor is used to detect movement?

Accepted Answer

PIR sensor

Answer

Thermistor

Answer

Light-dependent resistor (LDR)

Answer

Microphone

Question 8

In a control system, what is the primary function of a sensor?

Accepted Answer

Detecting changes in the environment and relaying that information to the microcontroller

Answer

Converting electrical signals into physical actions, like motor movement

Answer

Regulating the flow of electricity in the system, like a switch

Answer

Storing data and instructions for the system, like a computer

Question 9

Which of these is NOT a sensor that can collect information about the environment?

Accepted Answer

Electric motor

Answer

Light sensor

Answer

Temperature sensor

Answer

Sound sensor

Question 10

What's the main job of a sensor in a control system?

Accepted Answer

To sense changes around it and turn them into electrical signals

Answer

To turn movement into electrical signals

Answer

To control the system's movements

Answer

To store information about how well the system is working

Question 11

Which sensor is used to detect when the water level in a tank is too high?

Accepted Answer

Liquid level sensor

Answer

Light sensor

Answer

Temperature sensor

Answer

Moisture sensor

Question 12

In a control system, what is the primary function of an actuator?

Accepted Answer

To convert electrical signals into physical movement

Answer

To detect changes in the environment

Answer

To store data

Question 13

What's the main job of a sensor in a control system?

Accepted Answer

Sensing and gathering info from the environment

Answer

Controlling the system's actions

Answer

Thinking and making choices

Question 14

What is the main function of a sensor in a control system?

Accepted Answer

To detect changes in the environment

Answer

To send electrical signals to the output

Answer

To process information

Answer

To provide power to the system

Question 15

What is the main purpose of a control system?

Accepted Answer

To automatically control the behavior of a device or process

Answer

To generate electricity

Answer

To store data

Answer

To connect computers

Question 16

What is the role of an actuator in a control system?

Accepted Answer

To convert electrical signals into physical actions

Answer

To detect changes in the environment

Answer

To process data

Answer

To store data

Question 17

What does a microcontroller do in a control system?

Accepted Answer

Controls the device or process based on a program

Answer

Generates electricity

Answer

Detects light

Answer

Moves objects

Question 18

What is the purpose of a feedback loop in a control system?

Accepted Answer

To send information back to the input of a system to adjust its behavior

Answer

To detect changes in temperature

Answer

To control the flow of electricity

Answer

To store data

Question 19

What is the purpose of programming in a control system?

Accepted Answer

To tell the microcontroller what to do

Answer

To generate electricity

Answer

To detect changes in the environment

Answer

To store data

Question 20

What is the first step in designing a control system?

Accepted Answer

Identifying the problem or need

Answer

Choosing the sensors and actuators

Answer

Writing the program for the microcontroller

Answer

Building the system

Question 21

Which of the following is **not** a type of sensor?

Accepted Answer

Electric motor

Answer

Light sensor

Answer

Temperature sensor

Answer

Motion sensor

Question 22

What is the job of an actuator?

Accepted Answer

To turn electrical signals into movement

Answer

To detect changes in the environment

Answer

To receive signals from a microcontroller

Answer

To store data

Question 23

Which of these is the most common microcontroller used in primary schools in the United Kingdom?

Accepted Answer

BBC micro:bit

Answer

Raspberry Pi

Answer

Arduino

Answer

Intel Edison

Question 24

What is the main reason we use a feedback loop in a control system?

Accepted Answer

To allow the system to adjust its output based on its input

Answer

To prevent the system from using too much power

Answer

To store data for later use

Answer

To connect different parts of the system

Question 25

What is the first thing you should do when designing a control system?

Accepted Answer

Start with a clear plan

Answer

Use random ideas

Answer

Copy an existing design

Answer

Ignore the user's needs

Question 26

In a control system, what does a system diagram show?

Accepted Answer

How the information and control flow

Answer

The physical layout of the system

Answer

Instructions on how to build the system

Answer

The system's design documentation

Question 27

What is an actuator used for in a control system?

Accepted Answer

To move or change something

Answer

To detect changes in the environment

Answer

To process information

Answer

To provide feedback

Question 28

What is feedback used for in a control system?

Accepted Answer

To control the system's output

Answer

To send information to the microcontroller

Answer

To prevent the system from overheating

Answer

To store data

Question 29

What is the difference between an input and an output in a control system?

Accepted Answer

Input is information sent to the system, while output is the system's response.

Answer

Input is the system's response, while output is the information sent to the system.

Answer

Input and output are the same thing.

Answer

Input is sent to the sensor, while output is sent to the actuator.

Question 30

Which of these is a device that can detect light in a control system?

Accepted Answer

Light sensor

Answer

Motor

Answer

Buzzer

Answer

LED

Question 31

What is the purpose of using a feedback loop in a control system?

Accepted Answer

To enable the system to react to changes in its surroundings

Answer

To make the system more precise

Answer

To increase the speed of the system

Answer

To lower the cost of the system

Question 32

Which feature is unique to a microcontroller?

Accepted Answer

Ability to save and run programs

Answer

Powered by a battery

Answer

Used to control heavy machinery

Answer

Extremely expensive

Question 33

Which type of sensor is used to detect light?

Accepted Answer

Light-dependent resistor

Answer

Thermistor

Answer

Microphone

Answer

Ultrasonic sensor

Question 34

What is the function of an actuator in a control system?

Accepted Answer

Perform a physical action

Answer

Receive signals from sensors

Answer

Convert digital signals to analogue signals

Answer

Store data

Question 35

What is the purpose of a system diagram when designing a control system?

Accepted Answer

To illustrate the flow of information and control between components

Answer

To minimize the cost of the system

Answer

To enhance the system's precision

Answer

To increase the speed of the system

Question 36

What is a key advantage of using microcontrollers in control systems?

Accepted Answer

They can be programmed for complex tasks

Answer

They are compact and lightweight

Answer

They are very affordable

Answer

They are very simple to operate

Question 37

Which of the following is NOT a type of sensor used in control systems?

Accepted Answer

Keyboard

Answer

Light sensor

Answer

Temperature sensor

Answer

Sound sensor

Question 38

What is the primary function of an actuator in a control system?

Accepted Answer

To convert electrical signals into physical actions

Answer

To detect changes in the environment

Answer

To store data

Answer

To process information

Question 39

Define a microcontroller in the context of control systems.

Accepted Answer

A small computer that can be programmed to perform tasks

Answer

A type of sensor that detects changes in the environment

Answer

A type of actuator that converts electrical signals into physical actions

Answer

A data storage device that stores information about the system

Question 40

What is the purpose of programming a microcontroller in a control system?

Accepted Answer

To provide instructions on the tasks the microcontroller should perform

Answer

To store data about the system's operation

Answer

To generate electricity to power the system

Answer

To control the speed at which the system operates

Question 41

What is the main purpose of an actuator in a control system?

Accepted Answer

To take actions based on instructions

Answer

To gather information about the environment

Answer

To store data

Answer

To control the flow of information

Question 42

What is the role of programming in a control system?

Accepted Answer

To give instructions to the microcontroller

Answer

To design the physical components

Answer

To connect sensors and actuators

Answer

To analyze data from sensors

Question 43

What is the primary purpose of a sensor in a control system?

Accepted Answer

To gather information about the environment

Answer

To receive instructions from the controller

Answer

To take actions based on instructions

Answer

To store data

Question 44

In a control system, which device is NOT a component?

Accepted Answer

Fire extinguisher

Answer

Sensor

Answer

Microprocessor

Answer

Actuator

Question 45

What is the purpose of feedback in a control system?

Accepted Answer

To monitor the output and adjust the input accordingly

Answer

To amplify the input signal

Answer

To prevent the system from overheating

Answer

To store data

Question 46

What is the main function of a microcontroller in a control system?

Accepted Answer

To receive data from sensors and send commands to actuators

Answer

To generate electricity

Answer

To regulate system temperature

Answer

To store data

Question 47

What is the primary difference between open-loop and closed-loop control systems?

Accepted Answer

Closed-loop systems have feedback loops, while open-loop systems do not

Answer

Open-loop systems have feedback loops, while closed-loop systems do not

Answer

Open-loop systems are more complex than closed-loop systems

Answer

Closed-loop systems are more expensive than open-loop systems

Question 48

What is the primary purpose of using programming in a control system?

Accepted Answer

To control the behaviour of the system

Answer

To store data

Answer

To generate electricity

Answer

To amplify the input signal

Question 49

Which of these devices is used to sense light in a control system?

Accepted Answer

Light sensor

Answer

Temperature sensor

Answer

Motion sensor

Answer

Actuator

Question 50

What is the main purpose of an actuator in a control system?

Accepted Answer

To perform physical actions based on electrical signals

Answer

To detect changes in the environment

Answer

To process and send data

Answer

To provide feedback to the system

Question 51

What does the feedback loop in a control system do?

Accepted Answer

Connects the output to the input, allowing the system to adjust itself

Answer

Contains the instructions for how the system should behave

Answer

Links sensors to actuators

Answer

Provides power to the system

Question 52

What is the primary function of a light sensor in a control system?

Accepted Answer

To measure the intensity of light

Answer

To detect movement

Answer

To control temperature

Answer

To activate actuators

Question 53

How does feedback improve the accuracy of a control system?

Accepted Answer

By reducing the difference between the desired and actual output

Answer

By increasing the gain of the system

Answer

By decreasing the response time of the system

Answer

By eliminating the need for sensors

Question 54

Which of these is NOT a component of a control system? Choose the odd one out.

Accepted Answer

Battery

Answer

Sensor

Answer

Actuator

Answer

Microcontroller

Question 55

What is the purpose of a sensor in a control system?

Accepted Answer

To detect changes in the environment and respond to them

Answer

To control the movement of an actuator

Answer

To process data and make decisions

Answer

To store instructions for the system

Question 56

Which type of actuator is commonly used to turn lights on and off?

Accepted Answer

Relay

Answer

Electric motor

Answer

Solenoid

Answer

Pneumatic cylinder

Question 57

What is the purpose of a feedback loop in a control system?

Accepted Answer

To compare the actual output with the desired output

Answer

To generate control signals for the actuator

Answer

To store data for future reference

Answer

To power the system components

Question 58

What is the main purpose of a control system?

Accepted Answer

To keep a desired output

Answer

To amplify electrical signals

Answer

To generate random numbers

Answer

To store and process data

Question 59

Which of these is NOT a sensor used in control systems?

Accepted Answer

Motor

Answer

Light sensor

Answer

Temperature sensor

Answer

Sound sensor

Question 60

What is the main function of a sensor in a control system?

Accepted Answer

To detect changes in the environment and convert them into electrical signals.

Answer

To control the movement of actuators.

Answer

To process and store data.

Answer

To provide power to the system.

Question 61

Which type of actuator converts electrical energy into mechanical movement?

Accepted Answer

Solenoid

Answer

Relay

Answer

Transistor

Answer

Resistor

Question 62

What is the purpose of a feedback loop in a control system?

Accepted Answer

To adjust the system's output based on the input.

Answer

To provide continuous input to the system.

Answer

To prevent the system from malfunctioning.

Answer

To store data for later analysis.

Question 63

Which programming language is commonly used for microcontrollers in control systems?

Accepted Answer

C

Answer

Python

Answer

Java

Answer

HTML

Question 64

What is the first step in designing a control system?

Accepted Answer

Identifying the problem or need.

Answer

Building the circuit.

Answer

Writing the program.

Answer

Testing the system.