CIS
A port that allows the transfer of high quality video and audio signals is called a(n) ___.
HDMI port.
Printer manufactures often advertise how fast their printers are by using the acronym ___.
PPM
When you hear music, read a printout, or view a video, you are using a computer's
output
Devices such as speakers, printers, and external keyboards are examples of
peripherals
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 (often a screen) is called a
projector
An output device that uses light to display video or image output on a surface is called a __.
projector
What is this called? So an audience can view a presentation, a ___ is often used.
projector
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
Most peripherals, such as this external hard drive connect to a computer using a(n)____________ port.
USB
Surprisingly, inkjet printers are often sold ___.
below production costs.
Lower range tones generally require ___
larger speakers
Toner is drawn to a drum when creating hardcopy using a(an) ___________printer.
laser
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.
Which two of the following acronyms describe a type of computer monitor?
-LED -LCD
Which three colors make up a typical monitor's pixels?
-Red -Green -Blue
Which three of the following should be considered when purchasing external speakers for a digital device?
-Sound quality -Price -Portability
Which two of the following statements are true?
DVDs use longer (red spectrum) lasers. DVDs and Blu-rays are considered optical media.
Printer manufacturers advertise the quality of their products by stating how many ___.
Dots per inch (DPI)
This is a(n) ___________ Correct Unavailable connection.
HDMI
What kind of connection is this?
High-definition muti-media input (HDMI)
Which of the following is true regarding the length of a universal serial bus (USB) cord?
In general, a shorter cord allows for improved data transmission.
Which acronym refers to a type of computer monitor?
LCD
By efficiently turning electrons into photons (light) displays can provide very bright screens with very little energy.
Led
The number of pixels in a display is called the display's
Resolution
The width of a screen compared to the height of a screen is referred to as the
aspect ratio
The number of times per second a frame in a video is advanced is the definition of ___.
frame rate.
Toner is drawn to a drum when creating hardcopy using a(an) _______________printer.
laser
What device is this? A printer is a(n) ___ device.
output
The term that describes how fast each pixel in a display is updated is________
refresh rate.
Which are true regarding a display's refresh rate?
- The higher the refresh rate, the smoother the video - Describes how fast each pixel in a display is updated - Videos play best with refresh rates at even multiples of the frame rate
Which two of the following are typical aspect ratios for monitors?
-4:3 -16:9
To create an image with a laser printer ___.
toner is used
High-definition displays typically have approximately ___ horizontal lines of pixels
1080
Also known as additive manufacturing (AM),______________ printing sprays successive layers of material to create an object.
3D
The distance between two adjacent subpixels on a display is referred to as ________pitch.
Dot
Put the devices in the correct category.
Input Device -microphone -game controller -mouse Output Device -projector -speaker -printer
Most laptops, tablets, and smartphones use a(n) ___.
LCD
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
OLED stands for organic light-emitting
diode
Increased data transfer means you should use a
shorter cord.
How do you listen to music? 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
Which three of the following displays refer to ultra-high-definition television displays?
-8K UHD -UltraHD -4K UHD
Which two of the following are the characteristics of audio output?
-Converts electrical impulses into air movement -Digital devices use digital-to-analog converters
Which three of the following statements are true regarding a screen's resolution?
-Equals the number of pixels in a display -Shown as width x height in pixels -A measure of image quality -Equals the diagonal length of the screen
Which three statements refer to a display's contrast ratio?
-Luminance of white pixels compared to black pixels -Describes the difference in brightness -In general, the higher the contrast ratio, the better the image quality
Which 2 of the following are true regarding laser printers?
-Much faster than inkjet printers when making multiple copies -Use toner
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
A major printer manufacturer is ___.
Canon
Which four of the following are the common printer manufacturers?
Canon Lexmark Brother HP
Identify each item as either input or output.
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) Outbound -Displaying a YouTube video on a TV screen -A spreadsheet printout -Playing a song from Spotify
Because of their minimal power requirements, most laptops, smartphones, and tablet computers use a(n) ______________ display.
liquid crystal
Speakers, printers, and monitors are examples of _______________ devices.
output
To convert sound waves into digital signals, each sound wave is __.
sampled
The accuracy of a digital recording is determined by the________ rate
sampling
Which three of the following statements refer to the term "dot pitch"?
-A description of the quality of a monitor or television screen, -The distance between two adjoining sub-pixels in a display. -The closer the spacing (the smaller the dot pitch), the sharper the image.
Which 2 of the following are examples of output?
-An anti-lock brake system applying brakes. -A YouTube video displayed on a screen.
Match the display with the characteristic. -Plasma -LCD -OLED
-Plasma Creates image using cells of ionized red, blue, and green gas. -LCD May have a relatively slow refresh rate since it relies on molecular movement. -OLED Has the best possible contrast ratio.
Which colors make up a typical monitor's pixels?
-Red -Green -Blue
Match the display with its disadvantage. LCD Plasma OLED
LCD -Contrast ratio is not as great as competing technologies. Plasma -Outdated technology. Limited brightness may be a factor in a well-lit room. OLED -Costs approximately 5× more than competing display technologies
By efficiently turning electrons into photons ___.
LED displays provide very bright screens with very little energy.
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
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
Laser printers are popular in offices because they use relatively inexpensive ___.
toner
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
Which 3 of the following are the characteristics of OLED technology?
-Use red, green, and blue light-emitting diodes (LEDs) to create each pixel. -Currently more expensive to produce than liquid crystal display (LCD) screens. -Capable of creating curved and extremely thin displays.
Television displays with resolutions of at least 3840 × 2160 pixels are referred to as _____________HD.
4K
The study of human factors related to the things people use is called __.
ergonomics
A type of display that creates an image by illuminating millions of microscopic tubes of ionized gas is a____________screen
plasma
Which 2 of the following are the characteristics of a plotter?
-Prints large graphic drawings. -Mechanically moves a pen over a large sheet of paper.
Which of the following type of display creates images with pixels made of red, green, and blue cells filled with ionized gas
Plasma
Which three of the following are the characteristics of a projector?
-Usually requires a darkened environment. -Usually used with a screen. -Allows large audiences to view digital output.
Technology sometimes used to create prototype models for casting is ___.
3D technology
The art and science of creating output that provides information in the most useful manner is called
Ergonomics
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
Compare inkjet printers with laser printers.
Laser Printer -Far faster when printing multiple copies -Popular in offices Inkjet Printer -Uses ink -Low initial cost
The video screen that comes with a computer is referred to as its
Monitor
Though currently expensive, curved and paper-thin displays are possible using ___.
OLED technology
Items that can be connected to a digital device are referred to as:
Peripherals
The most common type of printer for home use is a(n) __________________printer.
inkjet
Print quality (resolution) is measured in ___.
Dots per Inch (DPI)
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
The diagonal measure of the visible display is known as ___.
screen size
Select the statements that refer to color depth.
-also known as "bit depth" -a measure of the accuracy of the color of each pixel -specifically, the number of bits of data describing each pixel in a display
Computers typically use a(n) ___ to link to peripherals such as printers or external hard drives.
USB Portal