Exam 4: Input and Output

TOLED displays are transparent and can emit light toward the top and bottom of the display surface.

A(n)____________________ captures the image of a usually flat object (such as a printed document,photograph,or drawing)in digital form and then transfers that data to a PC.

Case 4-2 Lisa is a student who regularly uses the computers at her local Internet café to listen to music,talk to her friends and family through the Internet,and play computer games. -Lisa needs to make sure that the computer that she is using has a ____ attached to it for her to be able to hear music and the sounds of a computer game.

"Digital video cameras" refer to digital camcorders and small digital video cameras used in conjunction with computers and other devices.

A(n)____ is used to display output from a computer to a wall or projection screen

Case 4-1 Stacey is the office manager for a small business and is looking for a new printer and scanner for her office. -After doing some research into printers,Stacey decides to buy a(n)____ printer,since they are the standard for business documents and are typically faster and have better quality output than other types of printers.

How do color and monochrome displays form colors?

LCD displays use layers of organic material which,when electric current is applied,emits a visible light.

The number of digital photos that can be stored in a camera at one time depends only on the capacity of the storage medium being used.

Digital camcorders are similar to conventional ____ camcorders.

____________________ is the process of entering audio data into the computer.

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 ____.

You can connect multiple monitors to a device using CRT cable.

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

Display device size is measured diagonally from corner to corner,in contrast to the way TV screens are measured.

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

When scanning,lower resolution is acceptable if the image is to be enlarged significantly or if only one part of the image is to be extracted and enlarged.

One-dimension (1D)barcodes contain data only vertically.

In addition to a keyboard,most PCs today have some type of pointing device.

____________________ displays form images by manipulating electronically charged chemicals or gases sandwiched between thin panes of glass or other transparent material.