Chapter 4 Test
Notebook and netbook computers usually have a keyboard that is similar to a desktop keyboard, but it is typically smaller.
True
Joysticks are headphones with a built-in microphone.
fase
Digital still cameras most often use ____ cards for storage.
flash memory
____ are designed to scan flat objects one page at a time.
flatbed scanners
____ keys on a keyboard are used for issuing commands in some programs.
function
TOLED displays are transparent
true
The graphics tablet is typically connected to a computer via a USB port.
true
The video card or the integrated graphics component determines the graphics capabilities of the computer.
true
Images need to be scanned at a lower resolution if the image will be enlarged significantly.
False
___ input data from special forms to score or tally exams, questionnaires, ballots, and so forth.
Optical mark readers (OMRs)
Print speed is typically measured in ____.
Pages per minute
The most common HD format is 1080p, which uses a screen resolution of 1,920 Χ 1,080 and displays screen images one line at a time, called ____.
Progressive display
A graphics tablet is also called a digitizing tablet. (T/F)
True
A(n) ____ is used to display output from a computer to a wall or projection screen.
data projector
A(n) ____ uses a printhead consisting of pins that strike an inked ribbon to transfer the ink to the paper.
dot-matrix printer
In a printer, the number of ____ affects the quality of printed output.
dots per inch.
Display devices are used to select and manipulate objects, to input certain types of data (such as handwritten data), and to issue commands to the computer.
false
Most printers today are impact printers.
false
Optical character recognition (OCR) is a technology used primarily by the banking industry to facilitate check processing.
false
RFID tags need to be within line of sight of a reader.
false
Scanners produce images through either impact or nonimpact technologies
false
The number of digital photos that can be stored in a camera at one time depends only on the capacity of the card being used.
false
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.
headphones
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.
headset
Some 3D projectors are designed to project ____.
holograms
Case 4-1 Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. After doing some research into printers, Stacey decides to buy a(n) ____ printer, since they are the standard for business documents and are typically faster and have better quality output than other types of printers.
laser
One factor affecting digital camera quality is the number of pixels, measured in ____, used to store the data for each image.
megapixels
The display device for a desktop computer is formally called a ____.
monitor
Display devices can be ____ displays, in which each pixel can only be one of two colors, such as black or white.
monochrome
A ____ is the smallest colorable area on a display device.
pixel
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.
speaker
A ____ is a large screen computer either built into a table or designed to be used on a table that allows multi-touch input from multiple users.
table PC
Computer speakers are the most common type of audio output device.
true
Digital video cameras include digital camcorders and small digital video cameras used in conjunction with computers and other devices.
true
Touch screens allow the user to touch the screen with his or her finger to select ____ or otherwise provide input to the device associated with the touch screen.
Commands
CRT monitors use ____.
analog signals
The most common flat-panel technologies include liquid crystal display (LCD), various types of light emitting diode (LED), ____, and e-paper.
gas plasma