Chapter 4 Flashcards
What is 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
What is a device containing a tiny chip and a radio antenna that is attached to an object so it can be identified using radio frequency identification technology?
RFID Tag (Radio Frequency Identification Tag)
What is a display device that is touched with the finger to issue commands or otherwise provide input to the connected device?
Touchscreen
What is an input device that reads printed text and graphics and transfers them to a computer in digital form.
Scanner
What is an LCD display that is backlit with LEDs.
Light Emitted Diode Display
What is an input device that takes pictures and records them as digital images.
digital camera
What is a wearable display device that looks like a pair of glasses but has a built-in display?
smart glasses
What is a type of flat-panel display that uses emissive organic material to display brighter and sharper images than LCDs.
OLED
What is an output device that sprays droplets of ink to produce images on paper.
printer
What is the ability of a scanning device to recognize scanned text characters and convert them to electronic form as text, not images.
OCR (Optical Character Recognition)
True or False: A keyboard is an example of a pointing device.
False
True or False: Near Field Communications (NFC) is most commonly used for electronic payments.
True
True or False: UPC is a type of barcode.
True
True or False: Consumer kiosks located in retail stores commonly use touch screens for input.
True
True or False: An ink-jet printer normally produces a better image than a laser printer.
False
With _________________ _____________ software, pen-based computers can convert handwritten text into editable, typed text.
handwriting recognition
A(n) __________ can be used to convert flat printed documents, such as a drawing or photograph, into digital form.
scanner
The smallest colorable area in an electronic image (such as a scanned document, digital photograph, or image displayed on a display screen) is called a(n) ____________
pixel
Virtually all portable computers and mobile devices, and most desktop computers today, use________________________, which are smaller, thinner, and lighter than the______________________________used with desktop computers in the past.
flat panel, led, or lcd; cathode ray tube or CRT
is a biometric reader an input or output device?
Input
is e-paper an input or output device?
output
is a speaker an input or output device?
output
is a 3d printer an input or output device?
Output
is a flat panel display an input or output device?
Output