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Exam 6: Input and Output

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Question 31

Multiple Choice

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________ tags are tiny chips that can be embedded into almost anything and contain information used to track and locate lost pets; to monitor production and update inventory; to record prices,product descriptions,and locations of retail items.

A) UPC
B) OCR
C) Bar code
D) RFID

E) A) and B)
F) B) and C)

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Question 32

Multiple Choice

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________-input devices convert sounds into a form that can be processed by the system unit.

A) Electrolyzing
B) Plotting
C) Webcam
D) Audio

E) B) and C)
F) A) and B)

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Question 33

True/False

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A magnetic card reader does not require the card to actually make contact with the reader.

Which of the following is not a type of scanning device?

Robots use cameras,microphones,and other sensors as inputs; outputs can be as complex as exploring damaged nuclear reactors to as simple as taking a photo.

How does a bar code reader work?

3D printers,also known as ________,create three-dimensional shapes by adding very thin layer after layer of material until the final shape is fully formed.

________ combine(s) the capabilities of a scanner,printer,fax,and copy machine.

Today's ________ are inexpensive,faster,and smarter,making them a valuable tool and fun high-tech toy.

Combination keys perform a function when held down in combination with another key.

________ indicates a monitor's ability to display colors by comparing the light intensity of the brightest white to the darkest black.

Wireless audio-output connections typically use Bluetooth technology.

UHDTV allows users to readily freeze video sequences to create high-quality still images.

Printers connected to the Internet that provide printing services to others on the Internet are called ________.

Resolution for a printer is a measure of the clarity of images produced,measured in dpi (dots per inch).

Type of keyboard that uses a touch screen as the input device.

This type of mouse emits and senses light to detect mouse movement.

What are character and mark recognition devices? Describe their uses.

________ are specialized digital video cameras that capture images and send them to a computer for broadcast over the Internet.

What is a flat-panel monitor? What are the basic types of flat-panel monitors?