Flashcards: Module 06 Input and Output: Entering Data and Producing Information

command

A menu item that performs a specific action, such as saving a file. In Access, an SQL statement that causes an action to be taken.

user response

An instruction a user issues by responding to a message displayed by a program or app.

Function keys

Special keyboard keys, labeled with the letter F followed by a number, programmed to issue commands to a computer.

keyboard shortcut

A key or combination of keys that the user presses to access a feature or perform a command, instead of using a mouse or touch gestures.

ergonomic keyboard

Keyboard design that reduces the chance of repetitive strain injuries (RSIs) of wrist and hand.

toggle key

A button that turns a feature on and off.

gaming keyboard

A keyboard designed specifically for playing games on a computer.

handwriting recognition software

Software that translates the handwritten letters and symbols created on the screen into typed text or objects that the computer or mobile device can process.

laser mouse

Mouse that uses laser sensors that emit and sense light to detect the mouse’s movement.

touch mouse

Touch-sensitive mouse that recognizes touch gestures, in addition to detecting movement of the mouse and traditional click and scroll operations.

pointer

A small symbol on the screen that becomes different shapes depending on the task the user is performing in, the application they are using, and the pointer’s location on the screen.

optical mouse

Mouse that uses optical sensors that emit and sense light to detect the mouse’s movement.

gesture

A motion the user makes on a touch screen with the tip of one or more fingers or with their hand.

graphics tablet

A hardware device used to create drawings with a pressure-sensitive pen.

Video input

The process of capturing full-motion images and storing them on a computer or mobile device’s storage medium, such as a hard drive or optical disc.

Audio input

Any sound entered into a computer, such as speech, music, and sound effects.

speech-to-text

Feature that recognizes a user’s spoken words and enters them into email messages, text messages, or other applications that support typed text entry.

DV technology

Technology used with DV (digital video) cameras that allows the user to input, edit, manage, publish, and share their videos.

frame rate

The number of frames per second (fps) in a video.

Morphing

Video editing technique that transforms one video image into another image over the course of several frames of video.

NFC

Type of wireless connection that uses close-range radio signals to transmit data between two NFC-enabled devices.

gesture recognition

Computer capability that allows users to guide on-screen elements using air gestures. Also called motion input.

motion input

Computer capability that allows users to guide on-screen elements using air gestures. Also called gesture recognition.

bar code

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

QR code

Square-shaped graphic that corresponds to a web address or other information. Short for quick response code.

optical mark recognition

Devices that read hand-drawn marks, such as small circles or rectangles.

optical reader

A device that uses a light source to read characters, marks, and codes and then converts them into digital data that a computer can process.

bar code scanner

An optical reader that uses laser beams to read bar codes. Also called a bar code reader.

bar code reader

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

OCR

Software that converts text to digital text so that it can be edited, copied, and searched directly within the program.

portrait orientation

The position of a page, slide, or worksheet so that the page, slide, or worksheet is taller than it is wide.

MICR

Devices that read text printed with magnetized ink.

RFID

Radio frequency identification; technology that uses radio signals to communicate with a tag placed in or attached to an object, an animal, or a person.

data collection device

Reading device that obtains data directly at the location where the transaction or event takes place.

magstripe reader

Reading device that reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, identification cards, and other similar cards.

landscape orientation

The position of a page, slide, or worksheet so that the page, slide, or worksheet is wider than it is tall.

ink-jet printer

A type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper.

nonimpact printer

A printer that forms characters and graphics on a piece of paper without actually contacting the paper.

laser printer

Type of high-speed, high-quality nonimpact printer that creates images using a laser beam and powdered ink called toner.

photo printer

A color printer that produces lab-quality photos.

toner

Type of powdered ink that is used by some laser printers and copy machines to produce output.

3-D printer

Printer that uses a process called additive manufacturing to create an object by adding material one horizontal layer at a time; can print solid objects, such as clothing, prosthetics, eyewear, implants, toys, parts, prototypes, and more.

all-in-one printer

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.

thermal printer

Printer that generates images by pushing electrically heated pins against heat-sensitive paper.

mobile printer

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

label printer

A small printer that prints on an adhesive-type material that can be placed on a variety of items such as envelopes, packages, optical discs, photos, and file folders.

plotter

A sophisticated printer used to produce high-quality drawings, such as blueprints, maps, and circuit diagrams.

impact printer

Printer that forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper.

large-format printer

Printer that uses ink-jet technology, but on a much larger scale, to create photo-realistic-quality color prints.

nit

A unit of visible light intensity equal to one candela (formerly called candlepower) per square meter.

LCD

Display technology that sandwiches a liquid compound between two sheets of material that presents sharp, flicker-free images on a screen when illuminated.

response time

The time in milliseconds (ms) that it takes to turn a pixel on or off.

candela

The standard unit of luminous intensity.

Dot pitch

The distance in millimeters between pixels on a display.

graphics processing unit

Chip that controls the manipulation and display of graphics on a display device.

HDTV

A form of digital television that works with digital broadcast signals, transmitting digital sound, supporting wide screens, and providing high resolutions. Short for high-definition television.

Contrast ratio

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

aspect ratio

The proportional relationship between an object’s height and width.

plasma display

Display that uses gas plasma technology to sandwich a layer of gas between two glass plates.

data projector

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

force feedback

Technology that sends resistance to the device in response to actions of the user.

tactile output

Feature included with some input devices that provides the user with a physical response from the device.

Eye gaze pointing devices

A device that analyzes the area of the screen the user is looking at; users can make a selection by blinking or other gesture.

Refreshable Braille displays

Output device that uses nylon pins or magnets to translate content into the Braille system that users can read with their fingers.

foot mouse

A device that enables users with limited mobility in their arms or hands to control input using their feet.

Sip-and-puff

Technology that enables users to control a mouse or other computer or device functions using a tube that they either inhale (sip) or exhale (puff) to issue commands.

Default settings

Standard settings that control how the screen is set up and how a document looks when the user first starts typing.

shortcuts

Link to a file, folder, or app that appears on the desktop.