Chapter 6: Input and Output

A dedicated, mobile device for storing and displaying e-books and other electronic media including electronic newspapers and magazines.
E-book reader
A keyboard key, like Caps Lock, that turns a feature on or off is called a _______ key.
toggle
Bar code readers use _______ embedded in them to read bar codes.
photoelectric cells
Keyboards that are widely used on various smartphones and other small portable devices, and which are designed primarily for communicating via texting and connecting to the Web.
Thumb
OMR, OCR, and MICR are all types of _______.
character and mark recognition devices
Printers connected to the Internet that provide printing services to others on the Internet are called _______.
cloud printers
Specialized devices with a large display connected to a computer projector and are widely used in classrooms and corporate boardrooms.
Digital or interactive whiteboards
The arrangement of keys on a keyboard, QWERTY reflects the keyboard layout by _______.
taking the letters of the first six alphabetic characters found on the top row of keys
The distance between each pixel.
Dot pitch
The most widely used audio-input device is the _______.
microphone
The most widely used audio-output devices.
speakers and headsets
The proportional relationship between a display’s width and height.
Aspect ratio
The series of dots that form the image on a monitor are called _______.
pixels
The size, or _______, is measured by the diagonal length of a monitor’s viewing area.
active display area
The study of human factors related to things people use.
Ergonomics
These screens can be touched with more than one finger, which allows for interactions such as rotating graphical objects on the screen with your hand or zooming in and out by pinching and stretching your fingers.
Multitouch
This indicates the monitor’s ability to display colors by comparing the light intensity of the brightest white to the darkest black.
Contrast ratio
This reading device is used in banks to read the numbers on the bottom of checks and deposit slips.
MICR
This type of mouse emits and senses light to detect mouse movement.
Optical
Two categories of laser printers are _______.
personal and shared
Type of keyboard that uses a touch screen as the input device.
Virtual
What kind of specialized monitor is especially useful for graphic artists, designers, and publishers?
High-definition television (HDTV)
Which of the following allows the transmission of telephone calls over computer networks?
Voice over IP
Which of the following is not a type of scanning device?
Stylus
Which of the following printer features enables you to print on both sides of a sheet of paper?
Duplex
Which of the following statements is incorrect?
Printer speed is measured in the number of words printed per minute.
Which of the following types of character recognition systems is used for standardized multiple-choice testing?
OMR
_______ is any data or instructions that are used by a computer.
Input
_______-input devices convert sounds into a form that can be processed by the system unit.
Audio

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