POS Devices, Bar Code Readers, and OCR Devices Are Examples

question 127

Multiple Choice

POS devices, bar code readers, and OCR devices are examples of:

• A)Input devices
• B)Output devices
• C)Processing devices
• D)Transaction devices

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Definitions:

Tonsils

Lymphoid organs located in the throat area that help defend against infection by trapping pathogens entering through the mouth or nose.

Endoderm

The deepest layer of cells or tissues in an embryo during initial development stages, which eventually forms the lining of both the digestive and respiratory tracts.

Facial Bones

The bones that structure the human face, including the mandible, maxilla, nasal, zygomatic, and others.

Mesoderm

The middle layer of an embryo from which muscles, bones, and circulatory systems develop.