Computer Output

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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


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