Chapter 04: Input and Output Flashcards
3D printers
An output device designed to print threedimensional objects, such as product prototypes. (164)
barcode
A machine-readable code that represents data as a set of bars. (140)
Barcode printers
An output device that prints barcoded documents. (163)
barcode readers
An input device that reads barcodes. (141)
Biometric readers
A device used to input biometric data, such as an individual’s fingerprint or voice. (146)
Computer speakers
Output devices connected to computers that provide audio output. (165)
data projector
A display device that projects all computer output to a wall or projection screen. (158)
Digital cameras
An input device that takes pictures and records them as digital images. (146)
display device
An output device that contains a viewing screen. (150)
display screen
A display device built into a notebook computer, netbook, or other device. (150)
Flatbed scanners
An input device that scans flat objects one at a time. (139)
flat-panel displays
A slim type of display device that uses electronically charged chemicals or gases instead of an electron gun to display images. (152)
graphics tablet
A flat, rectangular input device that is used in conjunction with a stylus to transfer drawings, sketches, and anything written on the device to a computer. (135)
handwriting recognition
The ability of a device to identify handwritten characters. (133)
Headphones
A personal audio output device used by an individual so only he or she can hear the sound; headphones with a built-in microphone are typically referred to as headsets. (165)
Headsets
Headphones with a built-in microphone. (165)
Ink-jet printers
An output device that sprays droplets of ink to produce images on paper. (162)
keyboard
An input device containing numerous keys that can be used to input letters, numbers, and other symbols. (129)
Laser printers
An output device that uses toner powder and technology similar to that of a photocopier to produce images on paper. (161)
liquid crystal display (LCD)
A type of flat-panel display that uses charged liquid crystals to display images. (155)
magnetic ink character recognition (MICR)
Magnetic technology used primarily in the banking industry for check processing. (144)
monitor
A display device for a desktop computer. (150)
mouse
A common pointing device that the user slides along a flat surface to move a pointer around the screen and clicks its buttons to make selections. (131)
multifunction devices (MFDs)
A device that offers multiple functions (such as printing, scanning, and faxing) in a single unit. (161)
Optical character recognition (OCR)
The ability of a computer to recognize scanned text characters and convert them to electronic form as text, not images. (144)
Organic light emitting diode (OLED) displays
A type of flat-panel display that uses emissive organic material to display brighter and sharper images than LCDs. (155)
Photo printers
An output device designed for printing digital photographs. (163)
pixels
The smallest colorable area in an electronic image, such as a scanned image, a digital photograph, or an image displayed on a display screen. (151)
Plasma displays
A type of flat-panel display that uses layers of gas to display images; most often used on large displays. (158)
pointing device
An input device that moves an on-screen pointer, such as an arrow, to allow the user to select objects on the screen. (131)
Portable printers
A small, lightweight printer designed to be used while on the go. (164)
Portable scanners
A scanner designed to capture input while on the go. (140)
printers
An output device that produces output on paper (159)
Radio frequency identification (RFID)
A technology used to store and transmit data located in RFID tags. (142)
RFID readers
A device used to read RFID tags. (142)
RFID tags
A device containing a tiny chip and a radio antenna that is attached to an object so it can be identified using RFID technology. (142)
scanner
An input device that reads printed text and graphics and transfers them to a computer in digital form. (139)
Speech recognition systems
A system, consisting of appropriate hardware and software, used to recognize voice input, such as dictation or audio computer commands. (149)
stylus
An input device that is used to write electronically on the display screen. (132)
touch pad
A small rectangular-shaped input device, often found on notebook and netbook computers, that is touched with the finger or thumb to control an on-screen pointer and make selections. (137)
Touch screens
A display device that is touched with the finger to issue commands or otherwise provide input to the connected device. (135)
Trackball
Pointing device similar to an upside-down mechanical mouse; ball mechanism on top rotated by thumb or finger. (137)
