Revision 3 Chapter 1

Revision 3 Chapter 1

6th Grade - University

24 Qs

quiz-placeholder

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Revision 3 Chapter 1

Revision 3 Chapter 1

Assessment

Quiz

Computers, English

6th Grade - University

Practice Problem

Medium

Created by

Kiriyadhatshini Gunaratnam

Used 2+ times

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24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of these is not a control system?

Home PC

Burglar Alarm

Greenhouse Climate Control

Automated Car Park Barrier

Answer explanation

A Home PC is primarily a personal computing device and does not function as a control system. In contrast, the other options (Burglar Alarm, Greenhouse Climate Control, Automated Car Park Barrier) are designed to monitor and control specific environments or situations.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of these is not a sensor?

Temperature

Humidity

Light

Web Cam

Answer explanation

A web cam is a device that captures video and images, while temperature, humidity, and light are all types of sensors that measure environmental conditions. Therefore, the correct answer is Web Cam.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

When the output of a system is used to influence input it is known as...

Feedback

Processing

Automation

Measuring

Answer explanation

When the output of a system influences its input, it is called feedback. This process allows the system to adjust and improve its performance based on the results it produces, making feedback the correct choice.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

An output that performs an action e.g. a robot arm or a motor is known as a...

Actuator

Processor

Sensor

ADC

Answer explanation

An actuator is a device that performs an action, such as moving a robot arm or driving a motor. It converts energy into motion, making it the correct choice for this question.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which sensor tells the robot when it is close to something

Proximity sensor

Pressure sensor

Bumper sensor

Controller

Answer explanation

The proximity sensor detects nearby objects and informs the robot of their presence, allowing it to avoid collisions. Unlike pressure or bumper sensors, which respond to contact, the proximity sensor works at a distance.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which sensor tells the robot when it has bumped into something

Proximity sensor

Pressure sensor

Bumper sensor

Vibration sensor

Answer explanation

The bumper sensor is specifically designed to detect physical contact with obstacles, signaling the robot when it has bumped into something. Other sensors like proximity or pressure sensors serve different functions.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Humanoid robot looks like a human being

True

False

Answer explanation

A humanoid robot is designed to resemble a human being in appearance and behavior, which makes the statement true.

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