Computer Output
Which three of the following displays refer to ultra-high-definition television displays?
4K UHD 8K UHD UltraHD
OLED stands for organic light-emitting
diode
The distance between two adjacent subpixels on a display is referred to as ___ pitch.
dot
Speakers, printers, and monitors are examples of ___ devices.
output
When you hear music, read a printout, or view a video, you are using a computer's
output
The smallest controllable element of an image is called a(n)
pixel
An output device that uses light to display video or image output on a surface is called a __.
projector
High-definition displays typically have approximately ___ horizontal lines of pixels
1080
A port that allows the transfer of high-quality video and audio signals, and is the standard for television input, is called a(n) ___ port.
HDMI
May have a relatively slow refresh rate since it relies on molecular movement.
LCD
Also known as additive manufacturing (AM), ___ printing sprays successive layers of material to create an object.
3D
Items that can be connected to a digital device are referred to as:
Peripherals
Devices such as speakers, printers, and external keyboards are examples of
peripherals
Technology sometimes used to create prototype models for casting is ___.
3D technology
Which two of the following are typical aspect ratios for monitors?
4:3 16:9
LCD
Contrast ratio is not as great as competing technologies.
OLED
Costs approximately 5× more than competing display technologies.
Which 3 of the following are the characteristics of OLED technology?
Currently more expensive to produce than liquid crystal display (LCD) screens. Use red, green, and blue light-emitting diodes (LEDs) to create each pixel. Capable of creating curved and extremely thin displays.
Output
Displaying a YouTube video on a TV screen A spreadsheet printout Playing a song from Spotify
Print quality (resolution) is measured in ___.
Dots per Inch (DPI)
Printer manufacturers advertise the quality of their products by stating how many ___.
Dots per inch (DPI)
Because of their minimal power requirements, most laptops, smartphones, and tablet computers use a(n) __ display.
LCD
Most laptops, tablets, and smartphones use a(n) ___.
LCD
By efficiently turning electrons into photons ___.
LED displays provide very bright screens with very little energy.
Has the best possible contrast ratio.
OLED
Though currently expensive, curved and paper-thin displays are possible using ___.
OLED technology
Plasma
Outdated technology. Limited brightness may be a factor in a well-lit room.
Which two of the following are the characteristics of thermal printing?
Paper turns black when heated Commonly used for printing receipts
Creates image using cells of ionized red, blue, and green gas.
Plasma
Input
Putting a video from your phone onto your computer Entering text in a word processing program Recording a song using MIDI (Musical Instrument Digital Interface)
Which 2 of the following are true regarding high-definition displays?
Typically have 1,080 horizontal lines of pixels Typically have aspect ratios of 16:9
Computers typically use a(n) ___ to link to peripherals such as printers or external hard drives.
USB port
Television displays with resolutions of at least 3840 × 2160 pixels are referred to as:
UltraHD
Inkjet Printer
Uses ink Low initial cost
Which three of the following are the characteristics of a projector?
Usually used with a screen. Allows large audiences to view digital output. Usually requires a darkened environment.
The width of a screen compared to the height of a screen is referred to as ___ ratio.
aspect
Surprisingly, inkjet printers are often sold ___.
below production costs
The number of bits of data describing each pixel in a display is referred to as ___ depth.
color
The number of bits of data describing each pixel in a display is referred to as ___ .
color depth
A description of the difference in the luminance of a display's white pixels compared to the black pixels is called ___ ratio.
contrast
The study of human factors related to the things people use is called __.
ergonomics
The number of times per second a frame in a video is advanced is the definition of ___.
frame rate
Because of their slim profiles, most smartphone speakers produce "tinny" music. Because of this, many users purchase earbuds or ___ to listen to their music.
headphones
Lower range tones generally require ___.
larger speakers
Because they use toner rather than (more expensive) ink, ___ printers are commonly used in offices.
laser
Input Device
microphone game controller mouse
DVDs, Blu-rays, and CDs are examples of ___ media storage.
optical
Using reflective material to store data that can be read using a laser is ___.
optical media storage
A printer is a(n) ___ device.
output
A type of printer that is used to print large graphic images such as architectural drawings by mechanically moving a pen over a large sheet of paper is known as a(n)
plotter
A type of printer that is used to print large graphic images such as architectural drawings by mechanically moving a pen over a large sheet of paper is known as a(n) ___.
plotter
An output device that uses light to display video or image output on a surface (often a screen) is called a
projector
So an audience can view a presentation, a ___ is often used.
projector
Output Device
projector speaker printer
Number of times per second a frame in a video is advanced is the definition of frame
rate
The term that describes how fast each pixel in a display is updated is the ___ rate.
refresh
The term that describes how fast each pixel in a display is updated is:
refresh rate
The number of pixels in a display is called the display's
resolution
The accuracy of a digital recording is determined by the ___ rate.
sampling
Which 3 of the following statements are true regarding an light-emitting diode (LED) display?
Can be extremely thin Extremely energy efficient Great for well-lit areas
Which three of the following statements are true regarding a screen's resolution?
Equals the number of pixels in a display A measure of image quality Shown as width x height in pixels
A port that allows the transfer of high quality video and audio signals is called a(n) ___.
HDMI port.
Which four of the following are the common printer manufacturers?
HP Lexmark Brother Canon
By efficiently turning electrons into photons (light) ___ displays can provide very bright screens with very little energy.
LED
Which two of the following acronyms describe a type of computer monitor?
LED LCD
Most peripherals, such as this external hard drive connect to a computer using a(n) ___ port.
usb
Which 2 of the following are examples of output?
A YouTube video displayed on a screen. An anti-lock brake system applying brakes.
A major printer manufacturer is ___.
Canon
Which two of the following are the characteristics of audio output?
Digital devices use digital-to-analog converters Converts electrical impulses into air movement
Which 2 of the following are true regarding laser printers?
Much faster than inkjet printers when making multiple copies Use toner
Which of the following type of display creates images with pixels made of red, green, and blue cells filled with ionized gas?
Plasma
Laser Printer
Popular in offices Far faster when printing multiple copies
Which three of the following statements refer to the term "dot pitch"?
The closer the spacing (the smaller the dot pitch), the sharper the image. A description of the quality of a monitor or television screen. The distance between two adjoining sub-pixels in a display.
A description of the difference in the luminance of a display's white pixels compared to the black pixels is called ___.
contrast ratio
A display with 1,920 vertical lines of pixels and 1,080 horizontal lines of pixels defines a high-___ display.
definition
The distance between two adjacent subpixels on a display is referred to as ___.
dot pitch
The art and science of creating output that provides information in the most useful manner is called
ergonomics
The most common type of printer for home use is a(n) ___ printer.
inkjet
Inkjet printers tend to have lower initial costs while ___ printers tend to have lower long-term costs since they use toner rather than ink.
laser
Toner is drawn to a drum when creating hardcopy using a(an) ___ printer.
laser
The video screen that comes with a computer is referred to as its
monitor
The smallest controllable element of an image is called a(n) ___.
pixel
A type of display that creates an image by illuminating millions of microscopic tubes of ionized gas is a ___ screen.
plasma
The accuracy of a digital recording is determined by the device's ___.
sampling rate
The diagonal measure of the visible display is known as ___ size.
screen
The diagonal measure of the visible display is known as ___.
screen size
Increased data transfer means you should use a:
shorter cord
To share your music and to enjoy better sound than your smartphone can provide, you may wish to purchase a bluetooth-capable, external
speaker
Because laptops and tablets produce a "tinny" sound, many users buy external -___.
speakers
To improve the sound quality of their smartphones, many users purchase external ___.
speakers
When you get a receipt from a store or restaurant, it is probably printed on ___ paper.
thermal
The most common printers for printing receipts are ___.
thermal printers
Laser printers are popular in offices because they use relatively inexpensive ___.
toner
To create an image with a laser printer ___.
toner is used
