CIS

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

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

-8K UHD -UltraHD -4K UHD

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.

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 two of the following acronyms describe a type of computer monitor?

-LED -LCD

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

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 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 colors make up a typical monitor's pixels?

-Red -Green -Blue

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 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

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.

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.

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

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

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

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

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

3D technology

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

4K UHD

A major printer manufacturer is ___.

Canon

Which four of the following are the common printer manufacturers?

Canon Lexmark Brother HP

Which two of the following statements are true?

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

The distance between two adjacent subpixels on a display is referred to as ________pitch.

Dot

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

Printer manufacturers advertise the quality of their products by stating how many ___.

Dots per inch (DPI)

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

Ergonomics

Which 3 of the following statements are true regarding an light-emitting diode (LED) display?

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

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

This is a(n) ___________ Correct Unavailable connection.

HDMI

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

HDMI port.

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.

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

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

Which acronym refers to a type of computer monitor?

LCD

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

Compare inkjet printers with laser printers.

Laser Printer -Far faster when printing multiple copies -Popular in offices Inkjet Printer -Uses ink -Low initial cost

By efficiently turning electrons into photons (light) displays can provide very bright screens with very little energy.

Led

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

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

PPM

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

Peripherals

Which of the following type of display creates images with pixels made of red, green, and blue cells filled with ionized gas

Plasma

Which of the following type of display creates images with pixels made of red, green, and blue cells filled with ionized gas?

Plasma

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

Resolution

Which three of the following 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.

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

USB

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

USB Portal

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

aspect ratio

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 ___ .

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

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 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

The most common type of printer for home use is a(n) __________________printer.

inkjet

Lower range tones generally require ___

larger speakers

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

laser

Toner is drawn to a drum when creating hardcopy using a(an) _______________printer.

laser

Toner is drawn to a drum when creating hardcopy using a(an) ___________printer.

laser

Because of their minimal power requirements, most laptops, smartphones, and tablet computers use a(n) ______________ display.

liquid crystal

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.

Speakers, printers, and monitors are examples of _______________ devices.

output

What device is this? A printer is a(n) ___ device.

output

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

A type of display that creates an image by illuminating millions of microscopic tubes of ionized gas is a____________screen

plasma

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

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

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 accuracy of a digital recording is determined by the________ rate

sampling

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.

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

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

toner

To create an image with a laser printer ___.

toner is used