Exam 6: Input and Output

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

An optical mouse uses light in order to detect movement.

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

How does an optical scanner work?

________ is the distance between pixels on a monitor.

One particular type of RSI,carpal tunnel syndrome,found among heavy computer users,consists of damage to nerves and tendons in the hands.

Describe some recommendations to avoid health risks associated with computer use.

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

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.

The series of dots that form the image on a monitor are called ________

How is voice recognition technology being used today?

What is UHDTV? What is a digital projector?

A keyboard key,like Caps Lock,that turns a feature on or off is called a ________ key.

Which of the following types of character recognition systems is used for standardized multiple-choice testing?

Optical scanners recognize individual letters or images.

________ are special-purpose printers that use output from graphics tablets or other graphical input devices that are typically found in architectural and engineering environments.

Specialized devices with a large display connected to a computer projector and are widely used in classrooms and corporate boardrooms.

The arrangement of keys on a keyboard,QWERTY reflects the keyboard layout by ________.

Describe the basic distinguishing features of monitors that affect clarity including resolution,dot pitch,contrast ratio,size,and aspect ratio.

________ recognition is often used to score standardized multiple-choice tests.