Computer output

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

Which of the following are typical ratios for monitors?

1. 16:9 2. 4:3

Also known addictive manufacturing (AM),

3D printing sprays

Also known as additive manufacturing (AM), ____ printing sprays successive layers of material to create an object

3d printing sprays

Inkjet printers are often sold

Below production costs

Select the true statements regarding an LED display

Can be extremely thin Extremely energy efficient Great for well-lit areas

Common printer manufacturer

Canon Lexmark Brother HP

The number of bits of data describing each pixel in a display is referred to as

Color depth

A description of the difference in luminescence of a display's white pixels compared to the black pixels is called

Contrast ratio

Which of the following statement are true?

DVDs use longer lasers DVDs and blu raus are considered optical media

The distance between two adjacent sub-pixels 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 study of human factors related to the things people use is called

Ergonomics

Peripherals

Example of peripherals Printer Keyboard

Which acronym refers to a type of computer monitor?

LCD

Which statement refer to display's contrast ratio?

Luminescence of white pixels compared to black pixels In general, the higher the contrast ratio, the better the image quality Describe the difference in brightness

The video screen that comes with a computer is referred to as its

Monitor

Which are true regarding laser printers?

Much faster than inkjet printers when making multiple copries User toner

Which of the following statements best defines the term "frame rate"?

Number of times per second a frame in a video is advanced

Though currently expensive, curbed and paper-thin displays are possible using

OLED technology

Using reflective material to store data that can be read using a laser is media storage

Optical

OLED stands for

Organic Light Emitting Diode

The smallest controllable element of an image is called an

Pixel

This type of display creates images with pixels made of red, green, and blue cells with ionized gas

Plasma

A type of printer that is used to print large graphic images such as architectural drawings

Plotter

Select the factors that should be considered when purchasing external speakers for a digital device

Portability Price Sound quality

An output device that uses light to display video or image output on a surface is called a

Projector

The term that describes how fast each pixel in a display is updated is

Refresh rate

To convert sound waves into digital signals, each sound wave is

Sampled

The diagonal measure of the visible display is known as

Screen size

Increased data transfer means you should use a

Shorter USB cord

Which of the following are true regarding high-definition displays

Typically have 1080 horizontal lines of pixels Typically have aspect ratios of 16:9

This is a

USB cord

Which of the following refers to ultra-high-definition television displays?

UlteraHD 4k UHD 8kUDH

Television displayed with resolutions of at least 3840 x 2160 pixels are referred to as

Ultra HD

The number of pixels in a display is called the display's

resolution

Select the characteristic of OLED technology

Capable of creating curved and extremely thing displays Use red, green, and blue LEDs to create each pixel Currently more expensive to productive than LCD screens

Number of times per second a frame in a video is advanced is the definition of

Frame rate

High definition displays typically have ______ horizontal lines of pixels

1080

Which of the following are examples of output?

1.A YouTube video displayed on a screen 2.An anti lock brake system applying brakes

Which are true regarding color depth?

1.A measure of accuracy of the color each pixel 2.Specifically, the number of bits of data describing each pixel in a display 3.Also known as "bit depth"

Which are true regarding a display's refresh rate?

1.Describes how fast each pixel in a display is updated 2.The higher the refresh rate, the smoother the video 3.Videos play best with refresh rates at even multiples of the frame rate

1.Input Device 2.Output Device

1.Keyboard, microphone, mouse, game controller 2.Projector, printer, speaker, monitor

List the steps taken as a laser printer prints an image

1.Laser removes electrons from the drum 2.Paper is fed between the drum and the toner 3.Charged toner is attracted to the drum 4.Toner is melted onto the paper

Which are true regarding a screen's resolution?

1.Shown as width x height in pixels 2.Equals the number of pixels in a display 3.A measure of image quality

Select the characteristics of audio output

Digital devices uses digital-to-analog converters Converts electrical impulses into air movement

By efficiently turning electrons into photons

LED

Toner is drawn to a drum when creating hardcopy using a

Laser printer

Match the following regarding printers

Laser printer: High cost; Uses cartridges Inkjet printer: Low cost; Uses ink

OLED Plasma Liquid Crystal Display

Relatively expensive technology, but makes extremely thin, curved and flexible displays possible Uses microscopic tubes of ionized gas to create displays Commonly used for smartphones and tablets displays

When you get a receipt from a store or a restaurant it's probably printed on

Thermal paper

A port that allows the transfer of high quality video and audio signals and is the standard for television input, is called a

Hdmi port

Because of their slim profiles, most smartphone speakers produce tinny music. Because of this, nmany users purchase earbuds or

Headphones

Because of their minimal power requirements, most laptops, smartphones, and tablets computers use a

LCD display

Input Output

Putting a video from your phone onto your computer, recording a song using MIDI, entering text in a word processing program Displaying a youtube video on a TV screen, playing a song from spotify, a spreadsheet printout

1920 vertical lines of pixels and 1080 horizontal lines of pixels defines a

High definition display


Ensembles d'études connexes

Ch 25: Assessment of Respiratory System

View Set

1620-1820 American Lit: Colonial & Early National Period *HISTORY*

View Set

Chapter 10- The gi tract and abdominal wall

View Set

Ch. 5, 6, & 7 (MAN 4301 Human Resource Management)

View Set

PURDUE BIOL 110 Lab Practical #2

View Set

MKT 3120 Chapter 15 Supply Chain and Channel Management

View Set