IGCSE Input and Output Devices

• Storage devices

• Input devices

• Output devices

• Processing devices

Choose the devices needed in a POS.

• Keyboard

• Monitor

• Printer

• Chip and pin reader

What are the tasks of this device?

• adjust the size of the image

• focus the image automatically

• distance between the eyes

• shape of the cheek bones

The benefits of this devices is that dirt can’t get trapped in any of the mechanical components.

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These are the disadvantages of a capacitive touchscreens.

• only work with bare fingers or a special stylus

• sensitive to electromagnetic radiation

• sensitive to water or moisture

• possible for accidental activation to take place

A scanner which scans solid objects through x, y and z coordinates and takes images at several points along these three coordinates.

• 3D scanner

• 2D scanner

• Magnetic strip reader

• barcode reader

Name label A.

• cone

• disk

• diaphragm

• vibration

Name label A.

• mirror

• lens

• disc

• platter

What is the most common illness of too much use of keyboard?

• repetitive strain injury

• headache

• backache

• eye fatigue

What type of code is this?

• Quick Response Code

• Barcode

• Radio frequency Identification

• Frame Quick Response Code