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Exam 4: Input and Output

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Question 41

Multiple Choice

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With a ____, the user touches the screen with his or her finger to select commands or otherwise provide input to the computer with which it is being used.

A) touch screen
B) graphics tablet
C) signature capture device
D) laser screen

E) All of the above
F) None of the above

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Question 42

True/False

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LCD displays do not use backlighting, which makes them energy efficient and lengthens the battery life of portable devices using these displays.

A) True
B) False

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Question 43

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Case-Based Critical Thinking Questions Case 4-2 Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. The Internet café has recently enacted a new policy that says that all users must use the ____ attached to their computers when carrying out activities on the computer that will provide sound, so as to not disturb the other users.

Most mice today are optical mice or ____________________ mice that track movements with light.

Barcodes are read with ____________________.

A graphics tablet is typically connected to a computer via a USB port.

You can connect multiple monitors to a device using CRT cable.

Computer speakers are the most common type of audio output device.

____ keys on a keyboard are used for issuing commands in some programs.

One of the most common 2D barcodes, the ____ code represents data with a matrix of small squares.

Case-Based Critical Thinking Questions Case 4-2 Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. Lisa needs to make sure that the computer that she is using has a ____ attached to it for her to be able to hear music and the sounds of a computer game.

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.

Case-Based Critical Thinking Questions Case 4-2 Lisa is a student who regularly uses the computers at her local Internet café to listen to music, talk to her friends and family through the Internet, and play computer games. The Internet café provides ____ on some computers so that users can both listen and talk through the device during a telephone call made through the computer without disturbing other users.

CRT monitors use digital signals to display images, which allows for sharper images.

Wireless displays connect to a computer using a wireless networking connection such as Wi-Fi or ____.

Plasma displays use a layered technology like LCD and ____ and look similar to LCD displays.

TOLED displays are transparent and can emit light toward the top and bottom of the display surface.

The figure above shows a mobile device with a(n) ____________________ keyboard.

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

Digital still cameras most often use ____ cards for storage.