Chapter 6

The proportional relationship between a display's width and height.

Aspect ratio

_______-input devices convert sounds into a form that can be processed by the system unit.

Audio

OMR, OCR, and MICR are all types of _____.

Character and mark recognition devices

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 distance between each pixel

Dot pitch

Which of the following printer features enables you to print on both sides of a sheet paper?

Duplex

The study of human factors related to things people use.

Ergonomics

A touch screen is classified as a special type of scanning device.

False

An MICR device senses the presence or absence of a mark, such as a pencil mark.

False

An MICR device senses the prince or absence of a mark, such as a pencil mark.

False

Cloud printers provide printing services to users without access to the Internet.

False

Multifunctional devices (MFDs) are used to capture as well as play back recorded sounds.

False

Skype provides audio and video service that requires the installation of special hardware and software.

False

The most widely used input devices are monitors, printers, and keyboards.

False

Unmanned aerial vehicles (UAV) are too expensive for anything but military budgets.

False

This reading device is used in banks to read the numbers on the bottom of checks and deposit slips.

MICR

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 type of mouse emits and senses light to detect mouse movement.

Optical

The most widely used audio-output devices.

Speakers and headphones

Which of the following is not a type of scanning device?

Stylus

Keyboards that are widely used on various smartphones and other small portable devices, and that are designed primarily for communication via texting and connecting to the Web.

Thumb

A stylus uses pressure to draw images on a screen.

True

Digital or interactive whiteboards display a computer's desktop and can be controlled using a special pen or a finger.

True

Resolution for a printer is a measure of the clarity of images produced, measured in dpi (dots per inch).

True

Shared laser printers typically support color, are more expensive, and are used by a group of people.

True

Telephony, also known as the Internet telephony, is the VolP application that uses the Internet rather than traditional telephone lines to support voice communication.

True

Thermal printers use heat elements to produce images on heat-sensitive paper and are used at ATMs and gasoline pumps.

True

What kind of specialized monitor is especially useful for graphic artists, designers, and publishers?

Ultra-high-definition television (UHDTV)

Type of keyboard that uses a touch screen as the input device.

Virtual

The size, or ______, is measured by the diagonal length of a monitor's viewing area.

active display area

Printers connected to the Internet that provide printing services to others on the Internet are called ____.

cloud printers

Two categories of laser printers are ______.

personal and shared