Chapter 7

HDTV

(High Definition Television) Most advanced form of a digital television

LCD

(Liquid Crystal Display) Sandwiches a liquid compound between two sheets of materials that presents sharp, flicker-free, images on a screen when illuminated

Bluetooth printing

A computer or other device transmits devices with Wifi connection can print wirelessly.

Laser Printer

A high-speed, high-quality, non-impact printer

Gaming Keyboard

A keyboard designed for playing games on the computer

Gesture

A motion you make on a touch screen with one or more fingers or your hand

Large-Format Printer

A printer that creates photo-realistic-quality prints

Label Printer

A small printer that prints on an adhesive-type material that can be placed on a variety of items

Keylogging Software

A software that stores every keystroke in a file for later retrieval

Force Feedback

A technology that sends resistance to the device in response to actions of the user

Interactive Whiteboard

A touch sensitive device that resembles a dry-erase board, and displays the image on a connected computer screen usually via a projector

Ink-Jet Printer

A type of non-impact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper

Nit

A unit of visible light intensity equal to one candela per square meter

Bar code reader

Also called a bar code scanner, is an optical reader that uses laser beams to read bar codes.

Graphics Tablet

Also called digitizer, is an electronic plastic board that detects and converts movements of a stylus or digital pen into digital signals that are sent to the computer.

Drone

Also known as a unmanned aerial vehicle (UAV), is an aircraft that operates by an onboard computer and GPS, a remote control device, and/or an app on a computer or mobile device.

Keyboard

An input device that contains keys you press to enter data and instructions into a computer or mobile device

Printer

An output device that produces text and graphics on a physical medium such as paper

Input

Any data of instructions entered into the memory of a computer

Photo Printer

Color printer that produces lab-quality photos

Output

Data that has been processed into a useful form

Contrast Ratio

Describes the difference in light intensity between the brightest white and darkest black that can be produce on a display.

Native Resolution

Displays are optimized for a specific resolution

DVI

Enables digital signals to transmit directly to a monitor

Impact Printer

Forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that touches the paper

Non-Impact Printer

Forms characters and graphics on a piece of paper without actually contacting the paper

Compact keyboard

IS smaller than a standard keyboard and usually does not include the numeric keypad or navigation keys.

OCR Devices

Include a small optical scanner for reading characters and sophisticated software to analyze what is read

Data

Is a collection of unprocessed items, including text, numbers,images, audio, and video.

Data projector

Is a device that projects the text and images displaying on a computer or mobile device screen on a larger screen so that an audience can see the image clearly.

Monitor

Is a display that is packaged as a separate peripheral device

Mouse

Is a pointing device that fits under the palm of your hand comfortably

Motion Input

Is also called gesture recognition, users can guide on screen elements using air gestures

Bar code

Is an identification code that often consists of either a set of vertical lines and spaces of different widths or a two-dimensional patterns of dots, squares, and other images.

Command

Is an instruction that causes a program or app to perform a specific action.

Display

Is an output device that visually conveys text, graphics, and video information.

QR Code

Is known as a 2-D barcode because it stores information in both a vertical and horizontal direction in a square shaped graphic that represents a web address or other content such as contacts, or phone numbers

Digital pen

Is slightly larger than a stylus, is an input device that captures and converts a user's handwriting or drawings into a digital format, which users can upload to a computer or mobile device.

Candela

Is the standard unit of luminous intensity. Displays today typically range from 250 to 700 nits.

Function Keys

Labeled the letter F then a number are programmed to issue commands to a computer

LED

Light-Emitting Diode

MICR Device

Magnetic-Ink Character Recognition that reads text printed with magnetized ink

Keyboard Shortcuts

One or more keyboard keys that you press to perform an operating system or application related task

OLED

Organic LED, uses organic molecules that are self illuminating and do not require a backlight

OMR Devices

Read hand drawn marks such as small circles or rectangles

Magstripe Reader

Reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, ID cards, and other similar cards

Digital video camera

Records video as digital signals, which you can transfer directly to a computer or mobile device with the appropriate connection.

Americans with Disabilities Act (ADA)

Requires any company with 15 or more employees to make reasonable attempts to accommodate the needs of physically challenged workers.

Earbuds

Rest inside the ear canal.

Pixel

Short for picture element is a single point in an electronic image

Pointer

Small symbol on the screen whose location and shape change as a user moves a pointing device

Mobile Printer

Small, lightweight battery powered printer that allows a mobile user to print from a laptop, smartphone, or other mobile device while traveling

Plotter

Sophisticated printer used to produce high quality drawings such as blueprints, maps, and circuit diagrams

Resolution

The number of horizontal and vertical pixels in a display

Multi-Touch

Touch screens that recognize multiple points of contact at the same time

Morphing

Transforms one video image into another image over the course of several frames of video

Handwriting Recognition Software

Translates handwritten letters or symbols into typed text or objects that a computer can process

3D printer

Uses a process called additive manufacturing to create an object by adding material to a three-dimensional object, one horizontal layer at a time.

Landscape Orientation

Wider than it is tall, with information printed across the widest part of the paper

DV technology

You can input, edit, manage, publish, and share your videos

Pen Input

You touch a stylus or some digital pen on a flat surface to write, draw, or make selections

Webcam

a digital video camera that allows you to capture video, usually audio input, for your computer or mobile device

Toggle Key

a key that switches between two states each time a user presses the key

Scanner

a light-sensing input device that reads printed text and graphics and then translates the results into a form that their computer can process

Videoconference

a meeting between two or more geographically separated people who use a network or the Internet to transmit audio and video data

Portrait Orientation

a printout that is taller than it is wide, with information printed across a shorter width of the paper

Software

a series of related instructions, organized for a common purpose, that tells a computer or mobile device with tasks to perform and how to perform them

Touchpad

a small, flat, rectangular pointing device that is sensitive to pressure and motion

Trackball

a stationary pointing device with a ball on its top or side

Touch Screen

a touch sensitive display device

all -in-one printer

also called a multifunction printer (MFP), is a single device that looks like a printer or a copy machine but provides the functionality of a printer, scanner, copy machine, and perhaps a fax machine.

Unmanned Aerial Vehicle

an aircraft that operates by an onboard computer and GPS, a remote control device, and/or an app on a computer or mobile device

Headphones

audio output device placed over or around the ear

Speakers

audio output devices that generate sound

Video Call

call in which all parties see one another as they communicate over the Internet

Stylus

input device that looks like a small ink pen that you can use instead of a fingertip to enter data, make selections, or draw on a touch screen

Barcode scanner

is an optical reader that uses laser beams to read bar codes.

Signature Capture Pad

pen input device that captures handwritten signatures with a stylus that is attached to the device

Satellite Speakers

positioned so that sound emits from all directions

Thermal Printer

printer that generates images by pushing electrically heated pins against heat sensitive paper

Retina Display

produces vibrant colors and supports viewing from all angles because the LCD technology is built into the screen instead of behind it and contains more pixels per inch of display (developed by Apple)

Tactile Output

provides the user with a physical response from the device

RFID Reader

reading device that reads information on an RFID tag via radio waves

Response Time

refers to the time in milliseconds that it takes to turn a pixel on or off

RFID

technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person (stands for radio frequency identification)

Voice Recognition

the computer or mobile devices capability of distinguishing spoken words (known as speech recognition)

Plasma Display

uses gas plasma technology which sandwiches a layer of gas between two glass plates

Toner

when a laser printer creates images using a laser beam and powder ink