Unit 5 - Input and Output Devices

What is the the definition for?

Allows the user to enter data into the computer

• Input Device

• Output Device

What is the the definition for?

A device used to send data from the device to the user

• Input Device

• Output Device

Which devices are you expected to be able to discuss in your exam?

• Barcode Scanner

• Digital Camera

• Laser Printer

• RFID Tag

• Photocopier

Which device uses reflected light to create a unique pattern of 0’s and 1’s?

Which device uses reflected light to create a unique pattern of 0’s and 1’s?

• Barcode Scanner

• Laser Printer

• Digital Camera

• RFID Tag

The UPC-A / EAN barcode type is used in retail and warehousing

• True

• False

The Code 123 barcode type can only represent numbers

• True

• False

How are QR codes different to barcodes?

• Barcode - 1D

  QR code - 2D

• Barcode - 1D

  QR code - 3D

Which device breaks an image into a grid of pixels and measures the light?

Which device breaks an image into a grid of pixels and measures the light?

• Barcode Scanner

• Laser Printer

• Digital Camera

• RFID Tag