Question 1

How do digital cameras work?

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Question 2

The text in a scanned image cannot be edited unless ____________________ software is used in conjunction with the scanner to input the scanned text as individual text characters.

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Question 3

LCD panels used with computer monitors typically include at least one fluorescent light inside the panel, usually at the rear of the display-a technique referred to as ____________________.

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Question 4

A(n) ____________________ takes up less desk space than a mouse and is easier for some users to manipulate.

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Question 5

A(n) ____________________ captures the image of a usually flat object (such as a printed document, photograph, or drawing) in digital form and then transfers that data to a PC.

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Question 6

Describe the common features and uses of portable scanners.

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Question 7

Although other factors also affect the quality of digital photographs, the number of ____________________ does impact how large digital photos can be printed.

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Question 8

____________________ is the science of identifying individuals based on measurable biological characteristics.

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Question 9

Describe the common features and unique benefits of trackballs.

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Question 10

____________________ is the process of entering audio data into the computer.

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Question 11

Barcodes are read with ____________________.

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Question 12

Because the output appears temporarily on a display device, it is sometimes referred to as ____________________.

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Question 13

____________________ displays use a layered technology like LCD and OLEDs, but they use a layer of gas between two plates of glass instead of liquid crystals or organic material.

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Question 14

How do color and monochrome displays form colors?

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Question 15

____________________ is a technology used with flat panel display devices that attempts to mimic the look of ordinary printed paper.

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Question 16

____________________ provide a connection to a monitor, as well as determine graphics capabilities.

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Question 17

What is a touch pad?

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Question 18

____________________ displays form images by manipulating electronically charged chemicals or gases sandwiched between thin panes of glass or other transparent material.

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Question 19

The accompanying figure depicts a portable ____________________.

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Question 20

____________________, which contain tiny chips and radio antennas, can be attached to objects that need to be tracked.

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Quiz 4: Input and Output