Worksheets2.3 Output Devices
Total questions: 15
Worksheet time: 8mins
What is an output device?
Any hardware device that sends data to a computer
Any device used to send data from a computer to another device or user
A device that digitises text and images
A device that reads the temperature
A monitor is an output device that:
Produces output onto paper
Visually displays the data output by a computer
Enables you to hear sounds
Causes a machine to operate
Which device can project an image from a computer onto as large a surface as is necessary?
Multimedia projector
Monitor
Actuator
3D scanner
Printers and plotters are defined as:
Devices that digitise hard-copy documents
Devices that produce output onto paper and onto other materials
Devices that capture moving pictures
Devices used to input sound
Which printer works by using a laser to ‘draw’ the required outputs onto a drum and uses toner?
Inkjet printer
Dot matrix printer
Laser printer
3D printer
An inkjet printer works by:
Using a laser to draw on a drum
Squirting ink at the page out of different nozzles for different coloured ink
Using pins to press an inked ribbon
Printing in layers on top of each other
A dot matrix printer creates output out of dots by:
Nozzles to squirt ink
Using a set of pins to press an inked ribbon against the paper
A laser to draw on a drum
Radio waves to track tags
Which device takes multiple photographs of an object from all angles and combines them into a 3D representation?
3D printer
Scanner
Digital camera
3D scanner
A 3D printer works by:
Drawing outputs onto a drum
Printing in layers on top of each other, eventually creating a 3D object
Projecting an image onto a large surface
Verifying a PIN using a keypad
A speaker is a device to:
Convert sound to analogue signals
Cause a machine to operate
Enable you to hear sounds or music on your computer system
Store digital files and media
What are headphones?
Devices to input sound
Personal speakers that only the person wearing is intended to hear
Devices that cause a machine to operate
Devices that visually display data
An actuator is defined as:
A device that detects input from the environment
A device that causes a machine or other device to operate
A hand-held device used to move a pointer
A printer that uses a set of pins
Personal speakers that only the person wearing is intended to hear are called:
Speakers
Actuators
Headphones
Microphones
2. Which of the following is an accurate description of an actuator’s role in an automated system?
It detects changes in the environment and sends data to the computer
It causes a machine or other device to operate based on computer output
It is an input device used to digitise text and images
It is used to enter fixed values, often characters, into the computer system
Which of the following is an example of an actuator being used to operate a machine?
A thermometer reading the room temperature
A scanner digitising a paper document
A motor turning a cooling fan in a computer system
A microphone converting sound to an electrical signal
