01 Computing Devices

What is the primary use of a webcam?

• To input sound through digital signals

• To scan QR codes

• To communicate using audio and visual elements

• To read magnetic ink characters

What is the function of a QR code reader?

• To read magnetic stripes

• To scan codes and get information about a product or service

• To input sound data

• To recognize facial features

Which device is used to read magnetic ink characters?

• RFID reader

• Barcode reader

• Magnetic ink character recognition

• Optimal mark reader

Which device uses radio waves to identify electromagnetic fields?

• Magnetic stripe reader

• RFID reader

• Webcam

• MIDI keyboard

What is the function of an optimal mark reader?

• To read magnetic stripes

• To recognize the position of marks on a document

• To input sound data

• To scan QR codes

Which device allows you to view information on a screen?

• Projector

• Monitor/Screen

• Speakers

• Headphones

Which printer uses heat to print onto materials other than paper?

• Inkjet printer

• Dot matrix printer

• Dye-sublimation printer

• Thermal printer

What is a plotter used for?

• Printing small documents

• Printing large scale drawings and posters

• Listening to music

• Viewing data on a screen

What type of printer uses instructions from CAD software?

• Inkjet printer

• Laser printer

• 3D printer

• Thermal printer

Which printer produces a printed image by passing paper with a special coating over small electrical print heads?

• Inkjet printer

• Thermal printer

• Dot matrix printer

• Dye-sublimation printer