Exam 4: Input and Output

The idea behind pen-based input and ____________________ in general is to make using a computer as convenient as writing with a pen.

____ form images by spraying tiny drops of liquid ink onto the page, one printed line at a time.

A(n) ____ uses charged liquid crystals located between two sheets of clear material to light up the appropriate pixels to form the image on the screen.

A ____ is an optical code that represents data with bars of varying widths or heights.

Automating the data entry process is referred to as source data automation.

A(n) joystick is a set of headphones with a built-in microphone.

What is a touch pad?

The term phosphorescence is a process that results in much more conversion of electrical energy into light instead of heat.

A difference between CRT monitors and flat-panel displays is that most flat-panel displays use digital signals to display images, while CRT monitors use ____.

A(n) ____ is a flat, touch-sensitive device used in conjunction with a digital pen.

The accompanying figure depicts a portable ____________________.

The number of bits used to store color information about each pixel is called ____.

Describe the common features and uses of portable scanners.

Portable barcode readers are always used in point-of-sale (POS) systems.

____________________ is the science of identifying individuals based on measurable biological characteristics.

Some data projectors include an iPod ____ to connect a video iPod in order to project videos stored on that device.

____ are the most common type of flat-panel technology used for small- to medium-sized computer monitors.

Each pixel on an LCD display emits light in the necessary color.

____ uses a combination of multi-touch input from multiple users and object recognition to interact with computers that are typically built into tabletops and other surfaces.

The accompanying figure shows a(n) ____ printer.