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input

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any data or instruction entered into the memory of a computer.

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examples of input devices

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RFID reader, bar code reader, MICR, data collection service, keyboard, mouse, touch screen, touch sensitive pad, stylus, graphics tablet, game controller, microphone (in headset) built-in webcam, scanner

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keyboard

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A computer input device that uses a set of keys to put data into the computer.

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function keys

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Set of keys (F1, F2, etc.) used alone or with Shift, Ctrl, and Alt keys to issue software commands

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toggle key

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Key on a keyboard that switches between two states each time a user presses the key ex) cap locks and num lock

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keyboard shortcut

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Any combination of keystrokes that can be used to perform a task that would otherwise require a mouse or other pointing device.

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keyboard monitoring software

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Software that runs undetected and stores every keystroke in a file for later retreival

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compact keyboard

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smaller than a standard keyboard and doesn't include the numeric keypad.

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ergonomic keyboard

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A keyboard that allows for a more natural positioning of your arms and hands.

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gaming keyboard

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is a keyboard designed specifically for users that enjoy playing games on the computer.

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pointer

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An on-screen symbol, usually an arrow, that shows the current position of the mouse.

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mouse

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A device that controls the movement of the cursor or pointer on a display screen.

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optical mouse

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Mouse that uses devices, such as optical sensors or lasers, that emit and sense light to detect the mouse's movement

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laser mouse

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usually more expensive than the optical mouse. can be placed on almost all surfaces

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touch mouse

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a touch sensitive mouse that recognize touch gestures

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touchpad

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A pointing device you can use instead of a mouse. These devices sense the position of your finger and then move the pointer accordingly.

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pointing stick

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a pointing device that is sometimes found on a notebook computer

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trackball

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A pointing device that works like a mouse turned upside down; the ball is on top of the device.

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touch screen

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A touch-sensitive transparent panel covering the screen. Instead of using a device such as a stylus, you can use your finger to point directly to a selection on the screen.

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Why calibrate?

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The calibration process helps the device determine exactly where one or more fingers are touching the screen.

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pen input

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

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signature capture pad

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pen input device that captures handwritten signatures with a stylus or pen that's attached to the device

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digital pen

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larger than a stylus, typically provides more functionality than a stylus featuring electronic erasers and programmable buttons

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handwriting recognition software

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The technique by which a computer system can recognize characters and other symbols written by hand.

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graphics tablet

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A pressure-sensitive touch tablet used as a pointing device. The user presses on the tablet with a stylus.

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motion input

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

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voice input

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the process of entering input by speaking into a microphone

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voice recognition

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a software package that can convert digital sound to text.

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audio input

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the process of entering any sound into the computer such as speech, music, and sound effects.

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music production software

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allows users to record, compose, mix, and edit music and sounds

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video input

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the process of capturing full-motion images and storing them on a computer's storage medium

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digital video camera

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A video camera is a camera used for electronic motion picture acquisition, initially developed by the television industry but now common in other applications as well

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DV technology

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input,edit,manage,publish and share your videos.

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webcam

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A camera that broadcast images through the Internet through a computer or web cell phone.

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video call

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The caller and the recipient can see each other as well hearing each other. ex)skype

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streaming cam

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sends a continuous stream of images

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videoconference

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a set of interactive telecommunication technologies that allow two or more locations to interact via two-way video and audio transmissions simultaneously

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source document

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A paper prepared as the evidence that a transaction occurred.

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scanner

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A device that converts printed documents into digital file formats.

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OCR devices

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Scanners for directly reading claims into a computer's memory are called

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OMR devices

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read hand drawn marks, such as small circles or rectangles

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bar code reader

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A reading tool that uses light to read universal product codes, inventory codes, and other codes created out of patterns of variable-width bars.

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QR code

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The next generation barcodes that activate a browser on a smart phone when photographed

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RFID

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A tracking technology that uses a small package or tag device; that includes a microprocessor and antenna that can be attached to products.

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magstripe reader

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what reads the magnetic stripe on the back of credit cards, bank cards etc.

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MICR reader

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Reading device that converts MICR characters into a form that a computer can process.

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data collection device

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Obtains data directly at the location where the transaction or event takes place.

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output

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Anything that comes OUT of a computer at us (pictures, sound, audio)

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examples of output

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Text: text messages, instant messages, memos, letters, press releases, reports, classified advertisement, envelopes and mailing labels. Graphics:logos,charts,drawings,art and photos audio: music, audio clips, podcasts, sporting events, news and concerts video: news reports, movies, sporting events,weather conditions

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display device

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visually conveys text, graphics, and video information

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monitor

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A display device that forms an image by converting electrical signals from the computer into points of colored light on the screen.

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LCD

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A type of display used in many portable computers and flat screen monitors. LCD displays utilize two sheets of polarizing material with a liquid crystal solution between them. An electric current passed through the liquid causes the crystals to align so that light cannot pass through them. Each crystal, therefore, is like a shutter, either allowing light to pass through or blocking the light.

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resolution

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number of horizontal and vertical pixels in display.

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native resolution

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Resolution of an LCD display that produces the best display quality.

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response time

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The amount of time it takes a seller to respond to a customer's inquiry for purchase or service.

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nit

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is a unit of visible light intensity equal to one candela.

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candela

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is the standard unit of luminous intensity.

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dot pitch

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distance in millimeters between pixels on display.

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contrast radio

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the relationship between the brightest object and the darkest object in the television picture

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GPU

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Video cards that include a processor that takes over video rendering from the CPU, thereby increasing video performance. Graphics processing unit.

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DVI port

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sends digital output to the LCD monitor

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HDMI port

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high-definition multimedia interface; another type of video port used to connect some monitors, video projectors, and digital TVs

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displayport

answer

Alternative to an HDMI connector, Royalty free. Also uses lower voltage.

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HDTV

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LCD monitors often include features for HDTV support such as an ____ tuner to allow you to watch TV and change channels when the monitor is used as a TV.

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plasma display

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A type of flat-panel display that uses layers of gas to display images; most often used on large displays.

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printer

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A machine that prints characters or other images on paper.

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printout

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a hard copy; or a computer document printed on paper

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portrait orientation

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A page layout in which documents are printed across the width of a page, making the page taller than it is wide

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landscape orientation

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A page layout in which documents are printed across the length of a page, making the page wider than it is tall

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nonimpact printer

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forms characters and graphics on a piece of paper without actually striking the paper

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ink-jet printer

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forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper

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ink cartridges

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What goes in an inkjet printer.

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photo printer

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A type of newer inkjet printer specially optimized to print high-quality photos captured with digital cameras and scanners.

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laser printers

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a laser beam and magnetism transfers fine powder called toner to the paper

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all-in-one printer

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device that combines the functions of a printer, scanner, copier, and fax into one machine.

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thermal printer

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A printer that works either by melting wax-based ink onto ordinary paper (in a process called thermal wax transfer printing) or by burning dots onto specially coated paper (in a process called direct thermal printing).

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mobile printer

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a small, lightweight battery power pritner that allows for a user to print from a notebook computers, smart phone or other device

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label printer

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Machine that prints patient labels from information entered into the computer; located near the health unit coordinator's area

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plotters

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Sophisticated printers that produce high-quality drawings such as blueprints, maps, and circuit diagrams using a row of charged wires (called styli) to draw an electrostatic pattern on specially coated paper and then fuse toner to the pattern.

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large format printer

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creates photo realistic quality color prints

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impact printer

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A device that prints one or more characters at a time by physically impacting or hitting the ribbon to the paper.

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speakers

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An output device that allows you to hear voice, music, and other sounds from your computer.

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headphones

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An output device that allows you hear sound from the computer

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earbuds

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audio output devices that rest inside the ear canal

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data projector

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is a device that takes the text and images displaying on a computer screen and projects them on a larger screen so that the audience can see the image clearly

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LCD projector

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uses liquid crystal display technology, attaches directly to a computer, and uses its own light source to display the information shown on the computer screen

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interactive whiteboard

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Whiteboards that are connected to a computer and input can be accomplished by writing or tapping on the whiteboard through interactive software.

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force feedback

answer

_____ is a technology that sends resistance to a device in response to actions of the user

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ADA

answer

requires any company with 15 or more employees to make reasonable attemps to accommodate the needs of the physically challenged.

MIS 2223 Chapter 7

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