4: Input and Output Flashcards
an input device containing numerous keys that can be used to input letters, numbers, and other symbols
keyboard
an input device that moves an on-screen pointer, such as an arrow, to allow the user to select objects on the screen
pointing device
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
mouse
an input device that is used to write electronically on the display screen
stylus
the ability of a device to identify handwritten characters
handwriting recognition
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
graphics tablet
a display device that is touched with the finger to issue commands or otherwise provide input to the connected device
touch screen
alternative input device to a mouse with the ball mechanism on top
trackball
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
touch pad
overlaying computer-generated images on top of real-time images
augmented reality (AR)
an input device that reads printed text and graphics and transfers them to a computer in digital form
scanner
an input device that scans flat objects one at a time (documents, photographs)
flatbed scanner
the type of barcode found on packaged goods in supermarkets and other retail stores
Universal Product Code (UPC)
the type of barcode used with printed books
International Standard Book Number (ISBN)
a scanner designed to capture input while on the go
portable scanner
a machine-readable code that represents data as a set of bars
barcode
a technology used to store and transmit data located in a tag - attached to valuable items, shipping labels, passports etc. for tracking and processing
radio frequency identification (RFID)
a device containing a tiny chip and a radio antenna that is attached to an object so it can be identified using RFID technology
RFID tag
devices that input data from special forms to score or tally exams, questionnaires, ballots, etc. (scantrons)
optical mark readers (OMRs)
the ability of a computer to recognize scanned text characters and convert them to electronic form as text, not images
optical character recognition (OCR)
a device used to input biometric data, such as an individual’s fingerprint or voice, for identification
biometric reader
an input device that takes pictures and records them as digital images
digital camera
a system, consisting of appropriate hardware and software, used to recognize voice input, such as dictation or audio computer commands
speech recognition system
an output device that contains a viewing screen
display device
a display device for a desktop computer
monitor
a display device built into a notebook computer, netbook, or other device
display screen
the smallest colorable area in an electronic image, such as a scanned image, a digital photograph, or an image displayed on a display screen
pixel
a slim type of display device that uses electronically charged chemicals or gases instead of an electron gun to display images
flat-panel display
a type of flat-panel display that uses charged liquid crystals to display images
liquid crystal display (LCD)
a type of flat-panel display that uses emissive organic material to display brighter and sharper images than LCDs
organic light emitting diode (OLED) display
a type of flat-panel display that uses layers of gas to display images; most often used on large displays
plasma display
a display device that projects all computer output to a wall or projection screen
data projector
an output device that produces output on paper (permanent “hard copies”)
printer
a device that offers multiple functions (such as printing, scanning, and faxing) in a single unit
multifunction device (MFD)
an output device that uses toner powder and technology similar to that of a photocopier to produce images on paper
laser printer
an output device that sprays droplets of ink to produce images on paper - most common printer for home use
ink-jet printer
a small, lightweight printer designed to be used while on the go
portable printer
an output device designed to print three-dimensional objects, such as product prototypes
3D printer
output devices connected to computers that provide audio output
computer speakers
a personal audio output device used by an individual so only he or she can hear the sound - worn on ears
headphones
