Module 5 - Computer Output

Which three of the following should be considered when purchasing external speakers for a digital device? Multiple select question. Resolution Portability Price Sound quality

- sound quality, portability, price

Which 3 of the following are the characteristics of OLED technology? Multiple select question. Generate a significant amount of heat. 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.

-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.

Match the display with the characteristic. LCD or OLED 1. May have a relatively slow refresh rate since it relies on molecular movement. 2. Has the best possible contrast ratio.

1. LCD 2. OLED

Which three of the following are the characteristics of a projector? Multiple select question. Allows large audiences to view digital output. Usually requires a darkened environment. Usually used with a screen. Typically use plasma to create images.

Allows large audiences to view digital output. Usually requires a darkened environment. Usually used with a screen.

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

COLOR DEPTH

Which 3 of the following statements are true regarding an light-emitting diode (LED) display? Multiple select question. -Can be extremely thin -Extremely energy efficient -Create a significant amount of heat -Great for well-lit areas

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

Print quality (resolution) is measured in ___.

DOT 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

Which acronym refers to a type of computer monitor? - LCD - ROM -IKR -CPU

LCD

By efficiently turning electrons into photons ___. Multiple choice question. CPU backlit displays provide very bright screens with very little energy. LED displays provide very bright screens with very little energy. Plasma displays provide very bright screens with very little energy. CRT displays provide very bright screens with very little energy.

LED

Match the display (LCD OR OLED) with its disadvantage: Contrast ratio is not as great as competing technologies.

LED

Which 2 of the following are the characteristics of a plotter? Multiple select question. Mechanically moves a pen over a large sheet of paper. Prints large graphic drawings. Uses inexpensive toner rather than ink Paper turns black when heated

Mechanically moves a pen over a large sheet of paper. Prints large graphic drawings.

Which three colors make up a typical monitor's pixels?

RED BLUE GREEN

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

RESOLUTION

Television displays with resolutions of at least 3840 × 2160 pixels are referred to as: - hdtv - ultrahd - superhd - hi fidelity

UltraHD

The width of a screen compared to the height of a screen is referred to as ____ ratio

aspect

The width of a screen compared to the height of a screen is referred to as the ___. - screen size - color depth - resolution - aspect ratio

aspect ratio

A display with 1,920 vertical lines of pixels and 1,080 horizontal lines of pixels defines a high- __ display.

definition

OLED stands for organic light-emitting ___

diode

The distance between two adjacent subpixels on a display is referred to as ___ pitch

dot

The art and science of creating output that provides information in the most useful manner is called:

ergonomics.

input device examples

mouse, game controller, microphone

Devices such as speakers, printers, and external keyboards that are added to computers are referred to as: - outsiders - peripherals - add-ons - extras

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

output device examples

projectors, speaker, printer

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

increased data transfer means you should use a: - thinner cord - shorter cord - slower usb cord - longer cord

shorter cord

Because laptops and tablets produce a "tinny" sound, many users buy external -___.

speaker

To improve the sound quality of their smartphones, many users purchase external ___.

speaker

To share your music and to enjoy better sound than your smartphone can provide, you may wish to purchase a bluetooth-capable, external ____

speaker

Laser printers are popular in offices because they use relatively inexpensive ___.

toner

Television displays with resolutions of at least 3840 × 2160 pixels are referred to as ____ HD.

ultra

Computers typically use a(n) ___ to link to peripherals such as printers or external hard drives.

usb

Most peripherals, such as this external hard drive connect to a computer using a(n) ___ port

usb

Which two of the following are the characteristics of audio output? Multiple select question. An important part of all desktop computers Digital devices use digital-to-analog converters Converts electrical impulses into air movement Most smartphones create excellent low-frequency tones

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

Toner is drawn to a drum when creating hardcopy using a(an) ___ printer

laser

Technology sometimes used to create prototype models for casting is ___.

3d tech

Match the display (LCD OR OLED) with its disadvantage: Costs approximately 5× more than competing display technologies.

OLED

Printer manufactures often advertise how fast their printers are by using the acronym ___.

PPM

Which two of the following are the characteristics of thermal printing? Multiple select question. Paper turns black when heated Makes high-quality photo prints Commonly used for printing receipts Useful for printing multiple color copies

Paper turns black when heated Commonly used for printing receipts

The study of human factors related to the things people use is called __. Multiple choice question. green electronics resolution biometrics ergonomics

ergonomics

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 four of the following are the common printer manufacturers? Multiple select question. Lexmark Brother Windows Canon HP

hp, canon, lexmark, brother,

Because they use toner rather than (more expensive) ink, ___ printers are commonly used in offices.

laser

a peripheral is a device that connects to a computer. what are examples of peripherals?

mouse, printer, keyboard, speaker, monitor

u-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 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 port that allows the transfer of high quality video and audio signals is called a(n) ___.

HDMI

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

Which three of the following are true regarding a display's refresh rate? -higher refresh rate, smoother video - describes the number of times per second a frame is advanced - Videos play best with refresh rates at even multiples of the frame rate. - Describes how fast each pixel in a display is updated.

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

Which 2 of the following are true regarding high-definition displays? Multiple select question. Typically have frame rates of 1,920 FPS Typically have aspect ratios of 16:9 Typically have 1,080 horizontal lines of pixels Typically have refresh rates of 400 Hz

Typically have aspect ratios of 16:9 Typically have 1,080 horizontal lines of pixels

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

color

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

output device

monitors projectors printers 3d printers speakers

Items that can be connected to a digital device are referred to as:

peripheral

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

rate

To convert sound waves into digital signals, each sound wave is __. Multiple choice question. sampled pixilated rated tested

sampled

The accuracy of a digital recording is determined by the __ rate

sampling

The diagonal measure of the visible display is known as ___.

screen size

Compare inkjet printers with laser printers. 1. laser 2. inkject

1. Laser: - popular in office -faster when printing multiple copies 2. inkject: - uses ink -low initial cost

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

3d

Place the following steps taken by a laser printer, placing the first step at the top.

1. laser removes electrons from drum 2. paper is fed between drum and toner 3. charged toner is attracted to drum 4. toner is melted onto paper

Which 2 of the following are examples of output?

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

Developing output that provides information in the most useful manner is called __.

Economics

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

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

Surprisingly, inkjet printers are often sold ___. beyond production costs. at double the production costs. above production costs. below production costs.

below production cost

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

contrast

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

contrast ratio

Speakers, printers, and monitors are examples of ___ devices

output "AND/OR" peripheral

Which two of the following statements are true? Multiple select question. DVDs use longer (red spectrum) lasers. DVDs and Blu-rays are considered optical media. Blu-rays used magnetic particles to store data. Most DVD players can also play Blu-rays.

DVDs use longer (red spectrum) lasers. DVDs and Blu-rays are considered optical media.

identify as input or output. (all 3) - recording a song using MIDI, putting video from phone to computer, entering text in a processing program

input

The most common printers for printing receipts are ___.

thermal

When you hear music, read a printout, or view a video, you are using a computer's __.

output

identify as input or output. (all 3) - displaying youtube video on tv screen, playing song from spotify, speadsheet print

output